EcoFlora - Apios americana

Apios americana Medik.
Family: Fabaceae Groundnut, more...potatobean [Apios americana var. turrigera Fernald, more] Paul Rothrock	Gleason & Cronquist Indiana Flora Resources Vascular plants of NE US and adjacent Canada Rhizomes with 2 or more tubers; stipules and stipellules minute, caducous; lfls of the principal lvs 5-7, lanceolate to ovate, 4-6 cm, glabrous to short-hairy beneath; racemes dense (or looser southward), with solitary or paired brown-purple fls 10-13 mm; standard broader than long, usually retuse; fr 5-10 cm; 2n=22, and perhaps 44. Moist woods; Que. to Minn. and S.D., s. to Fla. and Tex. July, Aug. (A. tuberosa; Glycine apios) Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission. From Flora of Indiana (1940) by Charles C. Deam Infrequent to rare in all parts of the state in soil with little humus in low ground in woods about ponds, sloughs, and lakes. ...... Indiana Coefficient of Conservatism: C = 3 Wetland Indicator Status: FACW Diagnostic Traits: Twining vine; pinnately compound, leaflets 3-9, >1.5 cm broad; racemes axillary; corollas leathery, purplish-brown.
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