Strophostyles leiosperma (Torr. & A.Gray) Piper

Annual; lfls narrowly to broadly oblong or lanceolate, 3–5 cm, pilose on both sides, more densely so beneath, with stiff hairs 1–2 mm; fls 5–8 mm; cal and bracteoles hirsute, the bracteoles lanceolate, varying in length; fr 2–4 cm, spreading-hairy; seeds 2.5–3 mm, the pubescence easily detached; otherwise much like no. 1 [Strophostyles helvula (L.) Elliott]. Dry or moist sandy soil, upland woods, dunes and shores; O. to Wis. and N.D., s. to Ala. and Tex. (S. pauciflora)