Perennial; stems single from the base, glabrous, coarse, branched, 1-1.5 m. high; leaves sessile, oblong to lanceolate or the lower often oblanceolate, acute to nearly obtuse, 6-15 cm. long, 1-3 cm. wide, greenish above, dull beneath, auriculate-clasping, upper smaller and more attenuate than the lower, auricles rather rounded; inflorescences of main stem and branches greatly elongated, very lax; sepals greenish, sometimes purplish-tipped, non-saccate, 2.5-3 mm. long, 1.5 mm. wide; petals narrowly oblong, white to creamy-white, about 2-2.5 mm. long, 0.5 mm. or less in width; filaments 1.5-2 mm. long, anthers about 1.5 mm. long; glandular tissue subtending all filaments, surrounding those of the single stamens; pedicels spreading at right angles to rachis or very slightly ascending, straight or nearly so, glabrous, 3-8 mm. long; mature siliques terete, spreading at right angles to rachis, straight, glabrous, 2-3 cm. long, about 1 mm. broad, shortly stipitate to nearly sessile, gynophore less than 1 mm. long; seeds uniseriate, oblong, wingless, about 1 mm. long, fairly plump; cotyledons accumbent.
Home