Flora of the Southeastern United States

Dichanthelium acuminatum (Swartz) Gould & C.A. Clark var. acuminatum. Common name: Woolly Witchgrass. Phenology: May-Oct. Habitat: Dryish sandy or clayey soils of open woods and disturbed areas. Distribution: MA south to FL, west to TX; West Indies, Mexico, Central America, and n. South America.

ID notes: Internodes and sheaths gray-villous with usually non-papillate hairs. Plants tend to be low and "bushy" with several spreading-ascending culms and dense autumnal branching. See also discussion under Dichanthelium filiramum.

Origin/Endemic status: Native

Synonymy ⓘ: = Va, Freckmann (1981); = n/a — Il; < Dichanthelium acuminatum (Sw.) Gould & C.A.Clark — Mex; < Dichanthelium acuminatum (Sw.) Gould & C.A.Clark ssp. acuminatum — FNA25; < Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum — NcTx, Lelong (1984); >< Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum — Gould & Clark (1978); >< Panicum acuminatum Sw. var. implicatum (Scribn.) Beetle; > Panicum auburne Ashe — F, G, HC, S, Tat, WV; < Panicum lanuginosum Elliott — RAB; > Panicum lanuginosum Elliott — HC, S, WV; > Panicum lanuginosum Elliott var. lanuginosum — C, F, G; < Panicum leucothrix Nash — C; Panicum acuminatum Swartz. Basionym: Panicum acuminatum Sw. 1788

Links to other floras: < Dichanthelium acuminatum ssp. acuminatum - 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 ⓘ: 8