Flora of the Southeastern United States

Dichanthelium chamaelonche (Trinius) Freckmann & Lelong. Common name: Carpet Witchgrass. Phenology: Apr-Sep. Habitat: Moist pine savannas and flatwoods, pineland pondshores. Distribution: Se. VA south to FL, west to LA; Cuba; Belize.

ID notes: Internodes can be glabrous or puberulent, and nodes glabrous, pubescent, or bearded, but the glabrous spikelets 0.9-1.2 mm long are diagnostic. The concept of this taxon in FNA (as ssp. chamaelonche) appears to include D. dichotomum var .glabrifolium (see descriptions of Floridian D. chamaelonche ssp. breve and D. dichotomum var. glabrifolium in this treatment).

Origin/Endemic status: Native

Synonymy ⓘ: = LeBlond (2018b) in Weakley et al (2018a); = Panicum chamaelonche Trin. — G, GW1, HC, RAB, S, SFla; = Panicum chamaelonche Trin. var. chamaelonche — Lelong (1984); < Dichanthelium chamaelonche (Trin.) Freckmann & Lelong ssp. chamaelonche — FNA25; < Dichanthelium dichotomum (L.) Gould — Mex; < Dichanthelium dichotomum (L.) Gould var. ensifolium (Baldwin) Gould & Clark — K4, Gould & Clark (1978); < Panicum ensifolium Baldwin ex Elliott — C. Basionym: Panicum chamaelonche Trin. 1826

Links to other floras: < Dichanthelium chamaelonche ssp. chamaelonche - FNA25

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FAC (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FAC (taxonomic split from wetland indicator species)
• Great Plains: FAC (taxonomic split from wetland indicator species)
• Midwest: FAC (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FAC (taxonomic split from wetland indicator species)

Heliophily ⓘ: 9