Lathyrus venosus Muhlenberg ex Willdenow var. arkansanus Fassett. Arkansas Forest Pea, Bush Vetch. Phen: May-Sep. Hab: Dry to mesic slope and bottomlands forests and woodlands, rocky bars and outcrops along rivers, somewhat (but not at all strictly) associated with base-rich soils. Dist: MO and OK south to w. LA and e. TX.
Origin/Endemic status: Endemic
Synonymy ⓘ: = FNA11.2; < Lathyrus venosus Muhl. ex Willd. – Ar, K1, K3, K4, NcTx, S13, SE3
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FAC (taxonomic split from wetland indicator species)
- Eastern Mountains and Piedmont: FACW (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)
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