Stylisma pickeringii (Torr.) A.Gray
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Authority
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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Family
Convolvulaceae
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Scientific Name
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Description
Species Description - Stems procumbent or trailing, freely branched, often 1–2 m, minutely pubescent; lvs linear, 3–6 × 1–3(–5) mm, tapering to a petiolar base 1–2 mm; peduncles as long as or longer than the subtending lvs, bearing at the summit 2–several linear bracts 5–25 mm and 1–5 pedicellate fls; sep broadly oval, 4–6 mm, densely hairy outside; cor 12–18 mm; style only shortly cleft; 2n=8. Dry pine-barrens on the coastal plain; s. N.J. to Ga. and Ala.; sand-prairies in w. Ill. and e. Io. and from Kans. to Tex. July–Sept. (Breweria p.) The coastal plain plants, with the style branches mostly 2–3 mm and subequal, and with mostly obtuse sep, are var. pickeringii. The western plants, with the style branches mostly 1–1.5 mm and unequal, and with mostly acute or acutish sep, are var. pattersonii (Fernald & B. G. Schub.) Myint.