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FOC | Family List | FOC Vol. 15 | Primulaceae | Primula

139. Primula silaensis Petitmengin, Bull. Herb. Boissier, sér. 2. 7: 524. 1907.

贡山紫晶报春 gong shan zi jing bao chun

Herbs perennial, efarinose, glabrous, each forming a dense tuft consisting of many rosettes. Leaves usually 4 or 5 per rosette; petiole ca. 1/2 as long as to sometimes nearly as long as leaf blade; leaf blade obovate to oblong-obovate, rarely mucronate, 1--2 X 0.5--1.5 cm, base cuneate, margin sharply denticulate, apex rounded. Scapes 5--10 cm, umbels 1- or 2(--5)-flowered; bracts linear-lanceolate, 2--3 mm. Pedicel 2.5--5 mm. Flowers heterostylous. Calyx campanulate, ca. 4 X 4 mm, parted nearly to middle; lobes ovate to ovate-lanceolate, apex obtuse to acute. Corolla pale rose-purple to deep blue-purple, campanulate, 0.8--1.2 cm, base cylindric, nearly as long as calyx, upper part expanded and campanulate; limb 1--1.3 cm wide; lobes 3--4.5 X 4--5 mm, slightly emarginate. Pin flowers: stamens ca. 2 mm above base of corolla tube; style ca. 4.5 mm. Thrum flowers with stamens ca. 4 mm above base of corolla tube; style ca. 1.5 mm. Capsule ovoid, nearly as long as calyx. Fl. Aug.

Wet areas, among rocks in alpine meadows; 3600--4800 m. NW Yunnan [NE India, Myanmar].


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