Desmodium glabellum
| Desmodium glabellum | |
|---|---|
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| Illustration published in 1913 | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Desmodium |
| Species: | D. glabellum
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| Binomial name | |
| Desmodium glabellum | |
| Synonyms[3] | |
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Homotypic synonyms
Heterotypic synonyms
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Desmodium glabellum is a species of flowering plant in the legume family Fabaceae. It is native to the eastern and central United States. It is commonly called Dillenius' tick-trefoil in honor of Johann Dillenius, a British botanist of German birth. It is also known as the tall tick-trefoil.
Description[edit]
Desmodium glabellum is a herbaceous perennial plant. It grows to 5 feet tall with alternate palmately trifoliate leaves. Light pink to purplish flowers appear June through September. Seeds in sticky pods arranged in a row of 2-5 segments appear August–October. This species is very similar to Desmodium perplexum from which it was recently split.[4]
Taxonomy[edit]
Desmodium glabellum was first described as Hedysarum glabellum by the French botanist André Michaux in 1803.[5] The type specimen was collected in a grassland in "Lower Carolina".[6] Michaux described the stem of the species as nearly glabrous,[7] hence the specific name glabellum and the corresponding common name smooth tick-trefoil (not to be confused with Desmodium laevigatum, which also goes by that common name). In 1825, the Swiss botanist Augustin de Candolle placed Hedysarum glabellum Michx. in genus Desmodium,[2] and so Hedysarum glabellum is a basionym for Desmodium glabellum (Michx.) DC.[3]
The American physician, botanist, and politician William Darlington described Desmodium dillenii in 1837.[8][9] Darlington's description was based upon an illustration of Hedysarum trifoliatum published by the German-born British botanist Johann Jacob Dillenius in 1732.[10][11] Recognizing Dillenius' contribution, Darlington referred to Desmodium dillenii as Dillenius's Desmodium. In 1950, the American botanist Bernice Schubert rejected Desmodium dillenii Darl. as a nomen confusum (a term having no standing in the International Code of Nomenclature of 2018),[12] which means "confusing name". In an attempt to resolve the confusion, Schubert split the taxon into two distinct taxa, a newly described Desmodium perplexum,[13] and the previously described Desmodium glabellum. However, Schubert did not identify the plant in Dillenius' illustration. The matter remained unresolved until 2020 when the morphologies of the taxa in question were sufficiently clarified.[14] Subsequently the plant in Dillenius' illustration was identified as Desmodium glabellum,[15] and hence the name Desmodium dillenii Darl. is a synonym for Desmodium glabellum (Michx.) DC.[16] The common name Dillenius' tick-trefoil is often used to refer to Desmodium glabellum.[1][17][18][19]
Desmodium glabellum is a member of the Desmodium paniculatum complex, a group of closely related taxa that also includes Desmodium paniculatum sensu stricto, Desmodium perplexum, Desmodium fernaldii, and the synonym Desmodium dillenii.[20] Alternatively, some botanists lump these taxa into a single polymorphic species, Desmodium paniculatum sensu lato,[21][22] in which case Desmodium glabellum becomes a synonym of Desmodium paniculatum.
Distribution and habitat[edit]
Desmodium glabellum is native to the eastern and central United States.[23] It grows in fields, woodland borders, and disturbed areas.[24]
References[edit]
- ^ a b "Desmodium glabellum". NatureServe Explorer. NatureServe. Retrieved 2 February 2024.
- ^ a b "Desmodium glabellum (Michx.) DC.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 31 January 2024.
- ^ a b "Desmodium glabellum (Michx.) DC.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 31 January 2024.
- ^ Hilty, John. "Perplexing Tick Trefoil". Wildflowers of Illinois. Retrieved 31 January 2024.
- ^ "Hedysarum glabellum Michx.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 31 January 2024.
- ^ Uttal, Leonard J. (January 1984). "The type localities of the Flora Boreali-Americana of André Michaux". Rhodora. 86 (845): 46. Retrieved 16 February 2024.
- ^ Michaux (1803), p. 73.
- ^ "Desmodium dillenii Darl.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 7 February 2024.
- ^ Darlington (1837), pp. 414–415.
- ^ "Hedysarum trifoliatum Dill.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 23 February 2024.
- ^ Dillenius (1732), tab. 144.
- ^ Schubert (1950), pp. 154–155.
- ^ "Desmodium perplexum B.G.Schub.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 2024-01-31.
- ^ Thomas (2020).
- ^ Weakley et al. (2022), "The identity of Desmodium dillenii Darl." p. 401.
- ^ "Desmodium dillenii Darl.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2 February 2024.
- ^ USDA, NRCS (n.d.). "Desmodium glabellum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 31 January 2024.
- ^ "Desmodium glabellum (Michx.) DC.". Integrated Taxonomic Information System (ITIS). Retrieved 5 February 2024.
- ^ "Desmodium glabellum (Michx.) DC.". Global Biodiversity Information Facility. Retrieved 6 February 2024.
- ^ Thomas (2020), pp. 29–30.
- ^ Ohashi, Hiroyoshi (June 2013). "New combinations in North American Desmodium (Leguminosae: Tribe Desmodieae)". The Journal of Japanese Botany. 88 (3): 166–175. Retrieved 19 February 2024.
- ^ JIN, Dong-Pil; KIM, Jung-Hyun; SIM, Sunhee; SUH, Hwa-Jung; KIM, Jin-Seok (2021). "New record of an alien plant, Desmodium paniculatum (Fabaceae), in Korea based on a morphological examination and DNA barcoding". Korean Journal of Plant Taxonomy. 51 (2): 133–140. doi:10.11110/kjpt.2021.51.2.133.
- ^ "Desmodium glabellum". State-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 2 February 2024.
- ^ Weakley, Alan S.; Southeastern Flora Team (2024). "Desmodium glabellum". Flora of the southeastern United States. University of North Carolina Herbarium, North Carolina Botanical Garden. Retrieved 31 January 2024.
Bibliography[edit]
- Darlington, William (1837). Flora cestrica: an attempt to enumerate and describe the flowering and filicoid plants of Chester County, in the state of Pennsylvania. West-Chester, Penn: S. Siegfried. pp. i–xxiii, 1–640. Retrieved 2 February 2024.
- Dillenius, Johann Jacob (1732). Hortus Elthamensis seu plantarum rariorum quas in horto suo Elthami in Cantio coluit Vir Ornatissimus et Praestantissimus Jacobus Sherard…delineationes et descriptiones quarum historia vel plane non, vel imperfecte a rei herbariae scriptoribus tradita fuit. Vol. 1. London: Sumptibus auctoris. pp. i–viii, 1–206. Retrieved 4 February 2024.
- Michaux, André (March 1803). Flora Boreali-Americana. Vol. 2. Paris and Strasbourg. Retrieved 16 February 2024.
- Schubert, Bernice G. (June 1950). "Desmodium: Preliminary Studies—III". Rhodora. 52 (618): 135–155. Retrieved 31 January 2024.
- Thomas, Justin R. (2020). "Desmodium glabellum and D. perplexum (Fabaceae): a morphological reevaluation" (PDF). Missouriensis. 38. Missouri Native Plant Society: 29–50. Retrieved 30 January 2024.
- Weakley, Alan S.; Poindexter, Derick B.; Sorrie, Bruce A.; Ungberg, Eric A.; Ward, Scott G.; Horn, James W.; Knapp, Wesley M.; Grund, Steven P. (2022). "Studies in the vascular flora of the southeastern United States. VIII". Journal of the Botanical Research Institute of Texas. 16 (2): 377–418. doi:10.17348/jbrit.v16.i2.1257.
External links[edit]
- "Desmodium glabellum — smooth tick-trefoil". Go Botany. Native Plant Trust. Retrieved 16 February 2024.
- "Tall Tick-trefoil - Desmodium glabellum (Michaux) de Candolle". Vascular Plants of North Carolina. Retrieved 16 February 2024.
- "Desmodium glabellum". Native and Naturalized Plants of the Carolinas and Georgia. Retrieved 16 February 2024.
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