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FNA | Family List | FNA Vol. 7 | Brassicaceae | Physaria

14. Physaria carinata (Rollins) O’Kane & Al-Shehbaz, Novon. 12: 322. 2002.

Idaho bladderpod

Lesquerella carinata Rollins, Contr. Gray Herb. 171: 42, fig. 1E-H. 1950

Perennials; caudex simple, (often enlarged by persistent leaf bases); densely pubescent, trichomes (sessile or short -stalked), rays furcate or bifurcate, (nearly smooth to finely tuberculate). Stems simple from base, decumbent, (occasionally few-branched), 0.5-1.5(-2) dm. Basal leaves: blade elliptic to broadly obovate, triangular, rhombic, or round, 1.5-3(-4) cm, margins often sinuate or shallowly lobed. Cauline leaves (sessile or shortly petiolate); blade elliptic to oblanceolate to obovate, 0.5-1.5 cm, (base narrowed to petiole), margins entire. Racemes compact to loose. Fruiting pedicels (ascending or divaricate-spreading, straight to loosely sigmoid or curved), 4-10 mm. Flowers: sepals oblong to broadly elliptic, 4-7.5 mm, (lateral pair saccate or not); petals spatulate, 7.5-10 mm. Fruits (sessile or substipitate), elliptic, suborbicular, or oblong, strongly compressed (angustiseptate), 5-9 mm, (rounded to sharply keeled on 1 side, edges ± keeled); valves: (margins covering replum edges or not), usually pubescent throughout or, rarely, glabrous inside; ovules (4-)8-14(-16) per ovary; style 2-4.5(-5) mm. Seeds slightly flattened.

Subspecies 3 (3 in the flora): wc United States.

1 Fruits elliptic, not keeled, valve margins (thin, rounded), not covering replum edges.   14b Physaria carinata subsp. paysonii
+ Fruits elliptic, suborbicular, or broadly oblong, keeled on one side, valve margins covering replum edges   (2)
2 (1) Fruits elliptic, bases narrow-rounded to acute, apices ± acute.   14a Physaria carinata subsp. carinata
+ Fruits suborbicular to elliptic or broadly oblong, bases and apices rounded.   14c Physaria carinata subsp. pulchella

Lower Taxa


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