Caudices simple, 0.1-20 × 2-8 cm, axillary branches absent. Leaves: rosettes solitary, not in clumps, 20-45-leaved, 10-30 cm diam.; blade green or, rarely, pale greenish white, obovate to oblong-oblanceolate, 6-17 × 3-7 cm, 1-4 mm thick, base 0.2-0.5 cm wide, apex acuminate, surfaces usually not farinose, not glaucous. Inflorescences: cyme 3-5-branched, densely rounded or becoming flat-topped; branches not twisted (flowers on topside), 1-2 times bifurcate, (5-25 cm diam.); cincinni ca. 3, 5-25-flowered, circinate, 2.5-13 cm; floral shoots 15-35 × 0.6-1 cm; leaves 20-35, spreading or deflexed, triangular-lanceolate, 30-70 × 10-20 mm, apex acute. Pedicels erect, not bent in fruit, 2-6 mm. Flowers: calyx 6-9 × 4-5 mm; petals connate 1.5-3.5 mm, pale yellow to white, 8-12 × 2.5-3.5 mm, apex acute, tips straight; pistils connivent, erect. Unripe follicles erect. 2n = 34.
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