Monographs Details:
Authority:
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Family:
Malvaceae
Malvaceae
Description:
Species Description - Branching, hairy annual 3–5 dm; lvs long-petioled, deeply 3-parted, the segments oblong to obovate, coarsely serrate or lobed; cal conspicuously veined, hispid on the nerves with spreading simple hairs from swollen bases; pet 1.5–4 cm, pale yellow with purple base, expanded only a few hours; mature cal inflated, 5-angled, enclosing the hirsute fr; seeds finely verrucose; 2n=28, 56. Native of s. Europe; fields, roadsides, and waste places from N.S. to Minn., s. to Fla. and Tex. July–Sept.
Species Description - Branching, hairy annual 3–5 dm; lvs long-petioled, deeply 3-parted, the segments oblong to obovate, coarsely serrate or lobed; cal conspicuously veined, hispid on the nerves with spreading simple hairs from swollen bases; pet 1.5–4 cm, pale yellow with purple base, expanded only a few hours; mature cal inflated, 5-angled, enclosing the hirsute fr; seeds finely verrucose; 2n=28, 56. Native of s. Europe; fields, roadsides, and waste places from N.S. to Minn., s. to Fla. and Tex. July–Sept.
Common Names:
flower of an hour
flower of an hour