Caudices to 2 dm × 1-3 cm, clumps to 5 dm diam. Leaves without resinous odor; rosette 25-40-leaved, 10-20 cm diam.; blade light green, oblong to oblong-oblanceolate, flat, usually channelled adaxially, 4-15 × 1-4 cm, 2.5-6 mm thick, 4-6 times wider than thick, base 10-40 mm wide, surfaces mostly farinose, not viscid, not oily. Inflorescences: cyme 2-3-branched, obpyramidal, (2-3 × 0.5-2 dm); branches 1-2 times bifurcate (sometimes with some scattered proximally); cincinni 7-20-flowered, somewhat circinate, 4-12 cm; floral shoots 2-5 dm × 3-8 mm; leaves 20-45, spreading to slightly ascending, triangular-ovate, 1-4 × 1-1.5 cm. Pedicels 1-3 mm. Flowers: petals ascending near base and outcurved, connate 1-2 mm, bright yellow, elliptic or narrowly ovate, 8-10.5 × 3-4 mm, apex acute, corolla 5-6 mm diam. at base and 8-15 mm at apex; pistils suberect, 7-10 mm; styles 2.5-4 mm. Follicles ascending, slightly gibbous adaxially, beaks ascending to spreading. 2n = 68.
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