Herbs perennial, efarinose, glabrous. Leaves forming a rosette; petiole indistinct to 1/4 as long as leaf blade; leaf blade oblong to obovate-elliptic, 6--13 X 3--5 cm, base attenuate, margin irregularly denticulate at base, apex rounded. Scapes 20--65 cm; umbels 3 or 4, superimposed, 9--13-flowered; bracts linear, 7--10(--20) mm. Pedicel 1--1.3 cm. Flowers heterostylous. Calyx campanulate, 4.5--4.8 mm, parted to 1/3; lobes triangular, margin hydathode-apiculate, apex subacuminate. Corolla yellow; tube 9--10.5 mm, cylindric, amplified near mouth; limb 1--1.5 mm wide; lobes obovate-oblong, ca. 5 X 4.5 mm, slightly emarginate. Pin flowers: stamens ca. 2.5 mm above base of corolla tube; style ca. 9.5 mm. Thrum flowers with positions reciprocal. Capsule globose, included in calyx.
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