Shrub (3-)5-12(-15) dm, generally with a single main stem below and freely branched above; lvs firm, articulate at the narrow base, obtuse or rounded above, 1-3 cm נ1.5-6 mm, variable in shape but typically linear-elliptic to linear-oblong and broadest near the middle; bracteoles subulate, borne within 1 mm of the cal; 2 outer sep mostly 6-11 נ3-12 mm, rounded at base, obscurely 3-5-nerved, the 2 inner much smaller or even obsolete; pet 4, yellow, narrowly oblong- elliptic, 8-11 mm; stamens numerous, the filaments distinct or weakly connate at base; styles 2, very short; fr unilocular, enclosed by or somewhat exserted from the persistent cal. Dry or moist, sandy or rocky soil; N.J. and Md. to Ky., s. Mo., and Okla., s. to Fla., Tex., W.I., and C. Amer. June-Aug. (Ascyrum h.)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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