All Clovers Are Not Created Equal

Here in Indiana, clovers (Trifolium spp.) don't get people very excited. I don't think I've ever heard anyone say that a clover of any kind is one of their favorite plants. In fact, these legumes with three leaflets are often shunned as evil lawn weeds, and many a suburban homeowner spend hundreds of dollars per year applying herbicides to remove the clover and cultivate a bluegrass monoculture. Recently, however, there has been a movement to replace or at least enhance turf grass lawns with clovers, which take nitrogen from the atmosphere and make this natural fertilizer available to other plants.


Around here, our most common clovers are Red Clover (Trifolium pratense, above), White Clover (Trifolium repens, below), and Alsike Clover (Trifolium hybridum). While the individual flowers are humbly attractive when viewed up close, most people do not give them a second glance when in their heavily degraded and anthropogenically altered habitats of old field, pasture, roadside, and lawn.


Enter the clovers of Colorado. Never before had I really been "wowed" by a clover, nor did I think I could be, but these fantastic Fabaceae seemed like they were from another world. All three of the following species are native to Colorado and endemic to the Rocky Mountains.


Parry's Clover (Trifolium parryi, above) is a plant found only in a fairly narrow band through the Rocky Mountain states (Southwest Colorado Wildflowers 2010) that can be found growing commonly in the subalpine and alpine life zones (Guennel 2004). This species often grows in dense clumps or cushions with leafless flowering stalks (Beidleman et al. 2000). While the "plainest" looking of the three clovers that we saw on our July 2009 trip, this clover puts all of the Midwestern clovers that I've seen to shame.


The next most impressive clover species that we saw was Alpine Clover (Trifolium dasyphyllum), shown immediately above and below. Like the previous species, Alpine Clover is common in a fairly narrow band through the Rocky Mountain states (Southwest Colorado Wildflowers 2010), found growing in tundra and on rocky or gravelly slopes in the subalpine and alpine life zones (Guennel 2004).


The flowers of Alpine Clover can sometimes be all rose or violet-purple (Southwest Colorado Wildflowers 2010), but the more common bicolored form shown in the photos above is quite stunning, especially for a clover.


Finally, Dwarf Clover (Trifolium nanum), which puts all other clovers to shame in terms of appearance, in my opinion, is shown above. Another species of restricted range similar to the previous two species (Southwest Colorado Wildflowers 2010), this clover has only 1-3 flowers per cluster; each flower is approximately 2 cm long, but the entire plant lives up to its common name and grows in a cushion up to only 6 cm tall (Beidleman et al. 2000). Dwarf Clover is found in meadows, on gravelly slopes, and on rocky ridges in the subalpine and alpine life zones (Guennel 2004).

Beidleman, L.H., R.G. Beidleman, & B.E. Willard. (2000). Plants of Rocky Mountain National Park. Estes Park, Colorado: Rocky Mountain Nature Association; Helena, Montana: Falcoln Publishing, Inc.

Guennel, G.K. (2004). Guide to Colorado Wildflowers, Volume 2: Mountains. Englewood, Colorado: Westcliffe Publishers.

Southwest Colorado Wildflowers. Retrieved February 12, 2010. http://www.swcoloradowildflowers.com/.

Colorado Castilleja

Last May on Get Your Botany On!, I posted about Indian Paintbrush (Castilleja coccinea) that I had seen recently in Lake County, Indiana. Although I had witnessed this species with bracts of three different color morphs (red, orange, and yellow) over the years, until July I had only seen one of the approximately 200 worldwide species (Southwest Colorado Wildflowers 2010) from this showy genus. That quickly changed when we went to Colorado in July, as I multiplied my life list of Castilleja species by five.

In the photographs below, you will see that Castilleja possesses showy "flowers." I put "flowers" in quotes because the showy structures are actually bracts, which are modified leaves. The corolla (petals) are actually inconspicuous and mostly greenish yellow, and are hidden beneath the large bracts. If you look closely, you'll be able to see the true flowers in some of the photographs below.


The first new paintbrush that we saw was in a prairie at Jewel Mountain near Boulder. The photograph above shows Orange Paintbrush (Castilleja integra). This species is known in the United States only from Texas, New Mexico, Arizona, and Colorado (USDA, NRCS 2010). Known also as Wholeleaf Indian Paintbrush, the leaves of this species are unlobed; in fact, the specific epithet integra means "whole" (Southwest Colorado Wildflowers 2010). Orange Paintbrush can be found growing in the plains, foothills, and montane life zones of Colorado, and is said to be the most common paintbrush in the plains of Colorado (Guennel 2004; Southwest Colorado Wildflowers 2010). The densely tomentose stem is a key feature used to identify this species (Weber 1976).


Along the road near Independence Pass, we stopped the car to photograph Scarlet Paintbrush (Castilleja miniata), also known as Giant Red Indian Painbrush. This species is known from the western United States, and from Canada east to Ontario (USDA, NRCS 2010). In Colorado, it grows in the foothills, montane, and subalpine life zones (Guennel 2004). This species is said to be the most common and variable member of the genus Castilleja in Colorado (Weber 1976).


My favorite paintbrush of our trip was Rosy Paintbrush (Castilleja rhexiifolia), shown above. This photograph was taken at Independence Pass. Also known as Splitleaf Indian Paintbrush, this species is known from states west of the Rocky Mountains (except California and Arizona), as well as from Brittish Columbia and Alberta (USDA, NRCS 2010). You can find this beautiful paintbrush with bracts of indescribable colors in the subalpine and alpine life zones of Colorado (Guennel 2004). This species, as well as others in the genus Castilleja, is well known for its propensity to hybridize with other members of the genus (Southwest Colorado Wildflowers 2010).


Also at Independence Pass, we saw one of the two whitish-bracted species of paintbrush that we saw on our trip, Western Paintbrush (Castilleja occidentalis). Western Paintbrush has a similar range to the preceding species, but is more confined to areas along the Rocky Mountains (USDA, NRCS 2010). This species grows in the subalpine and alpine life zones of Colorado (Guennel 2004), and is distinguished from the next species in part by its shorter height (up to 20 cm tall) (Weber 1976). Like other paintbrushes, this species is hemiparasitic, meaning that it sometimes obtains nutrients from the roots of nearby plants (Southwest Colorado Wildflowers 2010).


The other species of paintbrush that we saw with whitish bracts was Yellow Paintbrush (Castilleja sulphurea). This photograph was taken at Holy Cross Wilderness Area. Sulphur Indian Paintbrush, as it is also known, has a similar range to the two preceding species (USDA, NRCS 2010). It can be found in the plains, montane, and subalpine life zones of Colorado, and is distinguished from the previous species in part by its taller height (20 cm to 40 cm) (Weber 1976).

Now that I've seen approximatetly 3% of the known species of Castilleja, I can't wait to see the diversity and colorful bracts of the other 97%!

Guennel, G.K. (2004). Guide to Colorado Wildflowers, Volume 1: Plains and Foothills. Englewood, Colorado: Westcliffe Publishers.

Guennel, G.K. (2004). Guide to Colorado Wildflowers, Volume 2: Mountains. Englewood, Colorado: Westcliffe Publishers.

Southwest Colorado Wildflowers. Retrieved January 16, 2010. http://www.swcoloradowildflowers.com/.

USDA, NRCS. 2010. The PLANTS Database (http://plants.usda.gov/, 10 January 2010). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Weber, W.A. (1976). Rocky Mountain Flora. Niwot, Colorado: University Press of Colorado

Elephant Head

Were you able to figure out the plant that I was looking at in the photograph in my previous post? Here's a closer look...


... and here is a look at the inflorescence...


If you're still not sure what this is, the title of this post says it all. This is Elephant Head (Pedicularis groenlandica). The common name for this species comes from the spitting image resemblance of the individual flowers to the head of a particular pachyderm. The "trunk" is actually the upper lip of the corolla that is declined and curved upward; the "ears" are two lobes of the lower lip of the corolla (Guennel 2004). Be sure that you're looking at the mature flowers and not the buds at the top of the inflorescence in the photo above, or instead you may be tempted to call this plant Gonzo Flower.


Little Red Elephant, as this species is also known, is a member of the family Scrophulariaceae (for now). In the photograph above, notice the fern-like leaves that are characteristic of most members of the genus Pedicularis. This species is circumboreal in distribution (Beidleman et al. 2000), meaning that it is found in northern regions around the world. In North America, it is found in the western United States, Alaska, and in most Canadian provinces (USDA, NRCS 2009).


A photograph of the habitat in which we saw Elephant Head is shown above. Look at all the color in this subalpine meadow! Elephantella (another common name for this species) grows from the montane into the alpine, where it is found in wet meadows, bogs, and swamps, as well as near streams, ponds, and springs (Guennel 2004).


This is one of my favorite photographs from our Colorado trip, but it pales in comparison to the photograph of an albino Elephant Head on Southwest Colorado Wildflowers at the bottom of the page at this link. Elephant Head has been used medicinally in several ways, most commonly to loosen chest congestion; like other members of the genus, it has also been used as a tranquilizer, muscle relaxant, sedative, and aphrodesiac (Psychoactive Herbs 2009). I'm not sure how this last use fits in with the previous three... I'll leave this to your imagination.

Beidleman, L.H., R.G. Beidleman, & B.E. Willard. (2000). Plants of Rocky Mountain National Park. Estes Park, Colorado: Rocky Mountain Nature Association; Helena, Montana: Falcoln Publishing, Inc.

Guennel, G.K. (2004). Guide to Colorado Wildflowers, Volume 2: Mountains. Englewood, Colorado: Westcliffe Publishers.

Psychoactive Herbs. 20 December 2009. Retrieved from http://psychoactiveherbs.com/catalog/index.php?cPath=123.

USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov/, 20 December 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Parry's Primrose

As you will see as I continue to post photos from our trip to Colorado in July, the subalpine and alpine meadows were painted with a pallette of pigments and hues of every shade imaginable. The plant featured in this post added a unique splash of magenta to the alluring organic canvas.


This is Parry's Primrose (Primula parryi), a plant of the subalpine and alpine life zones in the Rocky Mountains south of Canada (Strickler 1990). We only saw this member of the family Primulaceae in the subalpine, where it can reach heights of up to nearly 50cm (Kelso 2009); it doesn't get as tall in the vertically challenged alpine, but it still towers over most of the surrounding plants. Parry's Primrose grows in wet and often rocky areas, including bogs, seeps, and wet meadows, as well as along streams and waterfalls; a common place to find Alpine Primrose, as it is also known, is in snowmelt seeps (Guennel 2004; Kelso 2009).


Most of the Parry's Primrose that we saw was along streams through wet meadows, but Lindsay snapped the shot below of this species growing on rocky substrate in mixed forest on the other side of a fast-moving snowmelt stream. The flowers are said to have a pleasant odor at first that becomes skunky as they age (Beidleman et al. 2000; Kelso 2009) or when touched (Southwest Colorado Wildflowers).


Parry's Primrose was first collected by Charles Christopher Parry in 1861 in Colorado; it was named in his honor by Asa Gray in 1862 (Southwest Colorado Wildflowers). Parry returned the favor by naming Gray's Peak on the Front Range of Colorado after Asa Gray.

Beidleman, L.H., R.G. Beidleman, & B.E. Willard. (2000). Plants of Rocky Mountain National Park. Estes Park, Colorado: Rocky Mountain Nature Association; Helena, Montana: Falcoln Publishing, Inc.

Guennel, G.K. (2004). Guide to Colorado Wildflowers, Volume 2: Mountains. Englewood, Colorado: Westcliffe Publishers.

Kelso, S. (2009). Primula. In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 15+ vols. New York and Oxford. Vol. 8.

Southwest Colorado Wildflowers. Retrieved December 11, 2009. http://www.swcoloradowildflowers.com/.

Strickler, D. (1990). Alpine Wildflowers: Showy Wildflowers of the Alpine and Subalpine Areas of the Northern Rocky Mountain States. Columbia Falls, Montana: The Flower Press.

Snowball Saxifrage

A somewhat common plant that we saw in the alpine life zone in Colorado was Snowball Saxifrage (Saxifraga rhomboidea), a member of the family Saxifragaceae. This species grows in a variety of habitats from the foothills (6000' - 8000' above sea level) all the way up into the alpine (>11,500' above sea level) (Guennel 2004). It is known from many states in the western part of the country (USDA NRCS 2009). Edward Greene made the first collection of this species in 1889 and named it Saxifraga rhomboidea; John Small came up with the name Micranthes rhomboidea - the name currently used for this plant by William Weber - for the same species in 1905 (Southwest Colorado Wildflowers).


Also known as Diamondleaf Saxifrage and Early Saxifrage, this species can often be found in rocky habitats. This is one potential origin for the genus (and family) name, as "saxifrage" is translated to mean "rock-breaker;" another potential origin, as discussed by Gerard in The Herbal (1633), is that plants in this family have been used for hundreds of years to treat kidney stones (Weber 1976; Southwest Colorado Wildflowers).

I took the photograph above at Loveland Pass on the Continental Divide in central Colorado.

Guennel, G.K. (2004). Guide to Colorado Wildflowers, Volume 2: Mountains. Englewood, Colorado: Westcliffe Publishers.

Southwest Colorado Wildflowers. Retrieved December 10, 2009. http://www.swcoloradowildflowers.com/.

USDA, NRCS. (2009). The PLANTS Database (http://plants.usda.gov/, 10 December 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Weber, W.A. (1976). Rocky Mountain Flora. Niwot, Colorado: University Press of Colorado.

Sun God

Ahh... the alpine. Before our trip to Colorado in July 2009, we had never seen the alpine. I had images in my mind of short plants topped with enormous flowers. Sun God (Tetraneuris grandiflora) certainly didn't let us down. At approximately 10 inches tall and with composite flower heads up to four inches across, this conspicuous and charismatic alpine wildflower puts on quite a show.


Like other alpine plants, Old-Man-of-the-Mountain, as it is also known, has adapted to the difficult conditions of the harsh alpine environment. Being so tall (relatively), it attempts to keep its flower heads away from the prevailing winds by orienting most of them to face east (Beidleman et al. 2000).


The photograph above is one of my favorites from our trip. We saw this plant in the alpine at Independence Pass (between Leadville and Aspen) at approximately 12,000 feet above sea level. Independence Pass is located in central Colorado on the Continental Divide. A photograph of the habitat and terrain is shown below. Sun God grows on rocky ridges and slopes, as well as in meadows (Guennel 2004), and is found in only five states in North America: Colorado, Idaho, Montana, Utah, and Wyoming (Biernier 2006).


If you recognize this plant but don't know it as Tetraneuris grandiflora, maybe you would recognize one of its synonyms. Sun God has undergone several name changes since it was initially collected by John Fremont in the 1840s and named Actinella grandiflora by John Torrey and Asa Gray in 1845; since that time, it has also been known as Rydbergia grandiflora and Hymenoxys grandiflora (Southwest Colorado Wildflowers). This member of the family Asteraceae also has several additional common names, including Mountain Sunflower, Alpine Goldflower, Alpine Sunflower, Rydbergia, Graylocks Rubberweed, and Four-nerved Daisy (Beidleman et al. 2000; Biernier 2006; Guennel 2004).

Beidleman, L.H., R.G. Beidleman, & B.E. Willard. (2000). Plants of Rocky Mountain National Park. Estes Park, Colorado: Rocky Mountain Nature Association; Helena, Montana: Falcoln Publishing, Inc.

Biernier, M.W. (2006). Hymenoxys. In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 15+ vols. New York and Oxford. Vol. 21.

Guennel, G.K. (2004). Guide to Colorado Wildflowers, Volume 2: Mountains. Englewood, Colorado: Westcliffe Publishers.

Southwest Colorado Wildflowers. Retrieved December 4, 2009. http://www.swcoloradowildflowers.com/.

Stay Tuned for Colorado Photos

On 6-7 November 2009, Lindsay and I were in Salem, Missouri for the 8th annual Botany Slideshow Extravaganza. By Thursday evening on our way there, we knew we were in for a great weekend. For some reason, I had a taste for a "burrito as big as your head," the trademark of the Mexican restaurant La Bamba. I hadn't eaten La Bamba, or even seen one for that matter, in probably eight years. As we were exiting I-55 in Bloomington, Illinois to get gas and dinner, I told Lindsay about my craving. A minute or so later, Lindsay exclaimed, "There's a La Bamba!" I looked to my right, and sure enough, by complete chance, I was in luck. It was just as good as I remember it from nights in Oxford, Ohio when I was in college.


The slideshow was excellent... the best ever, actually. For a recap on Get Your Botany On!, click here.

As for the title of this post... I have been holding off on posting plant photos from our trip to Colorado because many of my best photos were going to be used in my slideshow. Now I can begin posting those photos. I will do this as winter approaches and through the winter, both here and at Get Your Botany On!, so check both blogs frequently.


The photograph above shows a bit of the diversity we encountered in the alpine life zone. In Colorado, the alpine, also known as tundra, is a treeless zone from approximately 11,500' to 14,400' above sea level. It consists of a very harsh environment characterized by thin soils (as seen in the photo above) or soils that only thaw in the top few inches, relentless winds, and a very short growing season. To survive in these conditions, many of the plants have developed morphological adaptations, including short aboveground biomass with large flowers, linear and/or succulent leaves, pubescence that is sometimes glandular, leaves that are rolled or folded lengthwise, perennial life cycles, and evergreen foliage.

Much more to come!