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Dichanthelium angustifolium (Elliott) Gould. Narrowleaf Witchgrass. Phen: May-Oct. Hab: Sandy pinelands and fields. Dist: 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 – K1, K3, K4, Gould & Clark (1978); < Panicum aciculare Desv. ex Poir. – C; < Panicum angustifolium Elliott – Tx

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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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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Jake Smith, some rights reserved (CC BY-NC), uploaded by Jake Smith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© theo_witsell, some rights reserved (CC BY-NC), uploaded by theo_witsell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© theo_witsell, some rights reserved (CC BY-NC), uploaded by theo_witsell source CC-BY-NC, permission granted to NCBG | Original Image ⭷

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