Perennials; (terrestrial or of wet habitat, not submerged); densely hirsute throughout, (trichomes pointed, expanded basally). Stems (simple or few from base), erect to prostrate, branched distally, 1-4 dm. Basal leaves not rosulate; blade margins sinuate. Cauline leaves sessile; blade oblong to oblanceolate (lateral lobes oblong to ovate), 2.5-5.5(-7) cm × 5-13 mm, base auriculate to amplexicaul, margins sinuate. Racemes elongated. Fruiting pedicels ascending to suberect, (somewhat appressed to rachis), straight or curved, 2-5(-6) mm (glabrous or sparsely hirsute). Flowers: sepals (persistent after anthesis), ascending, oblong-ovate, 2-3.3 × 0.7-1.3 mm; petals yellow, oblanceolate, (2.2-)2.5-3.7 × 0.7-1.4 mm; median filaments 1.8-2.2 mm; anthers oblong, 0.5-0.6 mm. Fruits silicles, straight, globose or broadly oblong, 2-4 × 1.5-2.5 mm; valves short-strigose; ovules 30-44 per ovary; style 1-2.5 mm. Seeds biseriate, yellowish, ovoid, 0.6-0.7 mm (0.4-0.6 mm diam.), colliculate. 2n = 16.
Home