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Cardamine pachystigma (S. Watson) Rollins
Family: Brassicaceae
Cardamine pachystigma image
Dean Wm. Taylor  
Perennials; glabrous. Rhizomes ovoid to oblong, (3-) 4-18 mm diam., (fleshy, deeply underground). Stems erect, unbranched, 1-3 dm. Rhizomal leaves simple, 1.2-2.3 cm; petiole 6.7-19.5 cm; blade orbicular to reniform, or cordate to broadly ovate, 2.7-5.5 cm × 30-68 mm, base cordate to subtruncate, margins with obtuse teeth terminating in apiculae. Cauline leaves 2-5, (crowded distally), simple; petiole 0.3-2.6 cm, base not auriculate; blade similar to basal, 1.8-5.5 cm × 12-47 mm, base cuneate or obtuse to subcordate, marginal teeth apiculate. Racemes ebracteate. Fruiting pedicels divaricate to ascending, 7-24 mm. Flowers: sepals oblong, 4-7 × 2-2.5 mm, lateral pair saccate basally; petals usually pink or purple, rarely white, obovate to oblanceolate, 14-18 × 5-7 mm, (claw to 9 mm, apex rounded); filaments: median pairs 7-8 mm, lateral pair 5.5-6.5 mm; anthers oblong, ca. 1.5 mm. Fruits linear, 3.2-5.4 cm × 2.2-4 mm; ovules 10-14 per ovary; style 4-7 mm. Seeds brown, broadly ovoid, 2-2.8 × 1.8-2.5 mm. Flowering Mar-May. Forests, lava slides, talus, cliffs; 700-2900 m; Calif. Cardamine pachystigma is known from the disjunct counties of Plumas, Tehama, and Tulare.

Cardamine pachystigma image
Dean Wm. Taylor  
Cardamine pachystigma image
Dean Wm. Taylor  
Cardamine pachystigma image
Dean Wm. Taylor  
Cardamine pachystigma image
Dean Wm. Taylor  
Cardamine pachystigma image
Dean Wm. Taylor  
Cardamine pachystigma image
Dean Wm. Taylor  
Cardamine pachystigma image
Dean Wm. Taylor  
Cardamine pachystigma image
Dean Wm. Taylor