An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . ed2illustratedflo02brit Year: 1913 Genus 4. CAPER 1-AMILV. 199 4. POLANISIA Raf. Journ. Phys. 89: 98. 1819. Annual branching herbs, mainly glandular-pubescent and exhaling a strong disagreeable odor, with whitish or yellowish flowers, and palmately compound or rarely simple leaves. Sepals 4, lanceolate, deciduous. Petals slender or clawed. Receptacle depressed, bearing a glan


An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . ed2illustratedflo02brit Year: 1913 Genus 4. CAPER 1-AMILV. 199 4. POLANISIA Raf. Journ. Phys. 89: 98. 1819. Annual branching herbs, mainly glandular-pubescent and exhaling a strong disagreeable odor, with whitish or yellowish flowers, and palmately compound or rarely simple leaves. Sepals 4, lanceolate, deciduous. Petals slender or clawed. Receptacle depressed, bearing a gland at the base of the ovary. Stamens 8-«J, somewhat unequal. Pod nearly or quite ses- sile on its pedicel, elongated, cylindric or compressed, its valves dehiscent from the summit. Seeds rugose or reticulated. [Greek, very unequal, referring to the stamens.] A genus of about 30 species, natives of temperate and tropical regions. In addition to the fol- lowing, 2 other species are found in the southern and western parts of North America. Type species: Polanisia graveolens Raf. Stamens equalling or slightly exceeding the petals; flowers 2'-3' long. i. Stamens much exceeding the petals ; flowers 4'-6' long. 2. P. trachysferma. I. Polanisia graveolens Raf. Clammy- weed. Fig. 2118. Cleome dodecandra Fl. Bor. Am. 2: 32. 1803. Xot. L. 1753. Polanisia graveolens Raf. Am. Journ. Sci. i: 378. 1819. Viscid and glandular-pubescent, branch- ing, 6'-i8' high. Leaves 3-foliolate, slender- petioled; leaflets oblong, obtuse, entire, 6'-i2' long; sepals purplish, slightly un- equal; petals , clawed, deeply emar- ginate or obcordate, yellowish-white; sta- mens 9-12, purplish, equalling or slightly the petals; style about i' long; pod lanceolate-oblong, slightly compressed, I'-lJ' long, 3'-4' wide, slightly stipitate, rough, reticulated; seeds rough. Sandy and gravelly shores, western Quebec to Manitoba, Maryland, Tennessee. Kansas and Colorado. Wormweed. F


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