Dichanthelium angustifolium (Elliott) Gould. Common name: Narrowleaf Witchgrass. Phenology: May-Oct. Habitat: Sandy pinelands and fields. Distribution: NJ south to FL, west to AR and e. TX. Distribution map needs re-evaluation.
Origin/Endemic status: Endemic
Taxonomy Comments: Autumnal form most readily distinguished from D. aciculare and D. arenicoloides) by flat blades 2-4 mm wide (vs. involute blades 1-2 mm wide). Can be confused with D. consanguineum, which has spreading-pilose nodes and blades 10-15× as long as wide; D. angustifolium blades typically are 20× or more as long as wide.
Synonymy ⓘ: = Va, LeBlond (2017a) in Weakley et al (2017); = Dichanthelium aciculare (Desv. ex Poir.) Gould & C.A.Clark ssp. angustifolium (Elliott) Freckmann & Lelong — FNA25; = Dichanthelium aciculare (Desv. ex Poir.) Gould & C.A.Clark var. angustifolium (Elliott) Wipff & S.D.Jones — NcTx; = n/a — Pa; = Panicum angustifolium Elliott — F, G, HC, RAB, S; < Dichanthelium aciculare (Desv. ex Poir.) Gould & C.A.Clark — K4, Gould & Clark (1978); < Panicum aciculare Desv. ex Poir. — C; < Panicum angustifolium Elliott — Tx; Panicum angustifolium Elliott. Basionym: Panicum angustifolium Elliott 1816
Links to other floras: = Dichanthelium aciculare ssp. angustifolium - FNA25
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
- Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
- Great Plains: FACU (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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© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
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