Stems erect, to 1 m; principal lvs narrowly obovate from a cuneate base, to 15 cm; racemes terminal and axillary, elongate and many-fld, the central one to 3 dm; bracts ovate, 8-12 mm; cal glabrous; standard 15-25 mm. Native of the Old World tropics, widely naturalized in tropical regions; se. Va., Mo., and scattered through s. U.S. Late summer.

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.