Nakedflower Ticktrefoil, Naked-Flowered Tick Trefoil, Naked-stemmed Tick Clover - Desmodium nudiflorum
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Desmodium nudiflorum - Nakedflower Ticktrefoil, Naked-Flowered Tick Trefoil, Naked-stemmed Tick Clover.
The USDA Plants Database lists 75 US species in the Desmodium (Ticktrefoil) genus, although specific occurrence information seems to be unavailable for many of the species, so the presence of all of them is doubtful. At least one species is found in 41 states, with the far west missing out. Most of us are probably more familiar with the little sticky seeds that fasten themselves to our clothing than with the flowers, but these members of the Pea family do have attractive blossoms. Nakedflower Ticktrefoil is found in 34 states, and in much of eastern Canada.
Most authorities now classify this species as Hylodesmum nudiflorum.
Found in:
AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NH, NJ, NY, OH, OK, PA, RI, SC, TN, TX, VA, VT, WI, WV
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Distribution of Desmodium nudiflorum in the United States and Canada:
Map courtesy of The Biota of North America Program.
Map color key
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| | Site: Walker County, GA Date: 2012-June-17 | Photographer: Gerald C. Williamson
Nikon D7000
Tamron SP 90MM f/2.8 AF Macro | | The Desmodium nudiflorum flower is quite small and is a pale pinkish-purple. It is very identifiable as a member of the pea family by its shape. | | 
| | Site: Walker County, GA Date: 2012-June-17 | Photographer: Gerald C Williamson
Nikon D7000 | | The flowers are in a loose raceme at the end of the leafless (naked) scape, from when comes the "Nakedflower" part of the common name. | | Click on the photo for a larger image
| | Site: Walker County, GA Date: 2010-June-27 | Photographer: Gerald C Williamson
Nikon D60 | | The Desmodium nudiflorum flower is quite small and is a pale pinkish-purple. It is very identifiable as a member of the pea family by its shape. | | Click on the photo for a larger image
| | Site: Walker County, GA Date: 2010-June-27 | Photographer: Gerald C Williamson
Nikon D60 | | The leaves are trifoliate, each about 3 inches long. | | Click on the photo for a larger image
| | Site: Walker County, GA Date: 2012-October-14 | Photographer: Gerald C Williamson
Nikon D7000 | | This is the only 5-foliate Desmodium nudiflorum leaf that I’ve seen. They are normally trifoliate. | | Click on the photo for a larger image
| | Site: Walker County, GA Date: 2012-October-14 | Photographer: Gerald C Williamson
Nikon D7000 | | Nakedflower Ticktrefoil has 4 to 7 trifoliate leaves around the end of a stem that is usually about 12 inches tall. The flowers (or in this case, the seeds) are on a separate, leafless stem that is up to 3 feet long. | | Click on the photo for a larger image
| | Site: Walker County, GA Date: 2012-July-01 | Photographer: Gerald C Williamson
Nikon D7000 | | The seeds of ticktrefoils may be better known than the blossoms, since they have a tendency to "stick with you." | | Click on the photo for a larger image
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References used for identification and information:
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