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 MUSTARD FAMILY. 2. Sophia pinnata (^Walt.) Howell. Tansy- Mustard. Fig. 2052. Erysimum pinnatum Walt. Fl. Car. 174. 1788. Sisymbrium canesccns Nutt. Gen. 2: 68. 1818. Descurainia pinnata Britton, Mem. Torr. Club 5: 173. 1894. 5'. pinnata Howell, Fl. N. W. Am. i: 56. 1897. Sophia brachycarpa (Richards.) Rydb.; Britto
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 MUSTARD FAMILY. 2. Sophia pinnata (^Walt.) Howell. Tansy- Mustard. Fig. 2052. Erysimum pinnatum Walt. Fl. Car. 174. 1788. Sisymbrium canesccns Nutt. Gen. 2: 68. 1818. Descurainia pinnata Britton, Mem. Torr. Club 5: 173. 1894. 5'. pinnata Howell, Fl. N. W. Am. i: 56. 1897. Sophia brachycarpa (Richards.) Rydb.; Britton, Man. 462. 1901. Densely canescent nearly all over, to glabrate; stem erect, branched, S'-2^' tall, slender, the branches ascending. Leaves 2-4' long, oblong in outline, 2-pinnatifid into very numerous small toothed or entire obtuse segments; pedicels very slender, spreading nearly or quite at right angles to the axis, 5'-7' long, usually longer than the pods; flowers l'-ii' broad; pods horizontal or ascending, oblong or linear-oblong, compressed, 3'-4' long, i' wide, glabrous or somewhat canescent; style minute; seeds plainly in 2 rows in each cell. In dry soil. Pennsylvania to Florida. Iowa, North Dakota, Colorado, California and Texas. May-July.
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