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No occurrences found
Gleason & Cronquist
Ihsan A. Al-Shehbaz, John F. Gaskin in Flora of North America (vol. 7)
glabrous or puberulent.
often several from base, usually procumbent to decumbent, rarely ascending, branched distally, (0.3-)0.6-2.5(-3.5) dm.
rosulate; petiole (1-)2-5(-5.8) cm; blade 1- or 2-pinnatisect, (3-)4-10(-15) cm, margins (of lobes) entire or dentate.
shortly petiolate; blade pinnatisect, base cuneate, not auriculate, margins (of lobes) entire or dentate, (similar to basal, smaller and less divided distally).
(leaf-opposed), ± slightly elongated in fruit; rachis glabrous.
ascending, straight, (stout, terete), (0.7-)1-2(-2.4) × 0.4-0.5 mm, glabrous.
sepals (persistent), oblong, 1-1.5 × 0.5-0.6 mm; petals white, obovate to obovate-oblong, 1-2 × 0.4-0.6 mm, claw absent; stamens 6; filaments (median pairs) 0.7-1 mm, (glabrous); anthers 0.15-0.25 mm.
(indehiscent), reniform to ovate-cordate, 2.3-3.4 × 3-4.4 mm, apically not winged, apical notch absent; valves thick, rugose-verrucose, with distinct ridges, prominently veined, glabrous; style 0.2-0.7 mm.
ovate-oblong, (curved, not winged), 1.2-1.6 × 0.7-1 mm.
= 32. Flowering May-Aug. Waste grounds, abandoned fields, pastures, roadsides, disturbed sites; introduced; N.B., N.S., Ont., Que.; Ala., Calif., La., Mo., N.J., Tenn.; Europe; sw Asia; n Africa; introduced also in South America (Chile), s Africa, Australia.
Vascular plants of NE US and adjacent Canada
A Eurasian sp., is occasionally adventive near the coast. It is glabrous and has very dense racemes with apiculate, conspicuously ridged or reticulate or warty frs; 2n=32. (C. procumbens)
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.
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