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Desmodium paniculatum (Linnaeus) A.P. de Candolle var. epetiolatum B.G. Schubert. Phenology: Jun-Sep; Aug-Oct. Habitat: Pine savannas and pine flatwoods, bogs. Distribution: Se. VA south to se. NC or e. SC.

ID notes: Compared to var. paniculatum, Desmodium paniculatum var. epetiolatum has much shorter-petioled (subsessile) leaves that are more coriaceus, revolute, and blunt-tipped; its loment segments have rounded lower margins (vs. sharply triangular in var. paniculatum).

Origin/Endemic status: Endemic

Taxonomy Comments: "This var., occurring on the Coastal Plain of se. VA to se. NC or e. SC, is typically very robust (up to 2 m tall) and intricately branched. Compared to var. paniculatum, it has much shorter-petioled (subsessile) leaves that are more coriaceus, revolute, and blunt-tipped; its loment segments have rounded lower margins (vs. sharply triangular in var. paniculatum). It has been suspected of being a hybrid, but forms large, morphologically consistent populations in the absence of likely parents, e.g. at the Antioch Pines State Natural Area Preserve in Isle of Wight County [Virginia] (Virginia Botanical Associates 2023). This taxon may reflect hybridization between D. paniculatum var. paniculatum and another species. Further study is needed.

Synonymy ⓘ: = F, NS, SE3, Tx, Va, Isely (1998), Virginia Botanical Associates (2023); < Desmodium paniculatum (L.) DC. — C, POWO, RAB; < Desmodium paniculatum (L.) DC. var. paniculatum — FNA11.1, K4, W, Ohashi (2013). Basionym: Desmodium paniculatum (L.) DC. var. epetiolatum B.G.Schub. 1950

Links to other floras: < Desmodium paniculatum var. paniculatum - FNA11.1

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
  • Great Plains: UPL (taxonomic split from wetland indicator species)
  • Midwest: FACU (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily ⓘ: 9

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷

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Horticultural Information

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