An illustrated flora of the 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 â 7« CRUCIFERAE. VUL. II. 32. lODANTHUS T. &; G.; A. Gray, Man. 32. 1848. A glabrous erect perennial herb, with dentate leaves auricled at the base, or the lower and basal ones lyrate-pinnatifid, and violet or white flowers in panicled racemes. Sepals much shorter than the petals, the inner ones slightly gibbous at
An illustrated flora of the 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 â 7« CRUCIFERAE. VUL. II. 32. lODANTHUS T. &; G.; A. Gray, Man. 32. 1848. A glabrous erect perennial herb, with dentate leaves auricled at the base, or the lower and basal ones lyrate-pinnatifid, and violet or white flowers in panicled racemes. Sepals much shorter than the petals, the inner ones slightly gibbous at the base. Petals long-clawed. Styles stout; stigma subcapitate. Silique linear-cylindric, slightly compressed, somewhat constricted between the seeds. Seeds oblong, rounded, in i row in each cell. Cotyledons accumbent. [Greek, violet-colored flower.] A monotypic genus of southeastern North America. I. Iodanthuspinnatifidus(Michx.) Steiid. Purple or False Rocket. Fig. 2068. Hesperis (?) pimiatifida Michx. Fl. Bor. Am. 2: 31. 1803. lodanthus hesperidoides T. &; G.: \. Gray, Gen. 111. 1: 134. 1848. Thelypodium pinnatifidiim S. Wats. Bot. King's Exp. 25. 1871. lodanthus pinnatifidiis Steud. Nomencl. Ed. 2,812. 1841. Glabrous, stem slender. i°-3° high, branching above. Lower leaves ovate or oblong, occasionally cordate, 2'-8' long, dentate, tapering into a margined petiole which is clasping and auriculate at the base, the lower part of the blade often pinnatifid into 2-6 pairs of small oblong segments; stem-leaves similar or merely dentate, narrower, sometimes ovate- lanceolate, the upper nearly sessile; flow- ers numerous, 3'-4' broad; pedicels spreading. 2'-3' long in fruit; pods linear, i'-li' long, i' wide, spreading or ascending; style stout, i' long. On river banks, western Pennsylvania to Minnesota, south to Tennessee, Missouri, Louisiana and Texas. May-June. 33. ARABIS L. Sp. PI. 664. 1753. [TcRRiTis L, Sp. PI. 666. I753-] Annual, biennial or perennial, glabrous or
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