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

18. Primula densa I. B. Balfour, Notes Roy. Bot. Gard. Edinburgh. 13: 9. 1920.

小叶鄂报春 xiao ye e bao chun

Primula obconica Hance subsp. densa (I. B. Balfour) W. W. Smith & Forrest.

Herbs perennial. Leaves forming a rosette; petiole 1--2 cm, to 4 cm at fruiting, with dense multicellular white hairs; leaf blade broadly ovate to ovate-oblong, 1--2 X 0.8--2 cm at anthesis, to 4 X 3.5 cm at fruiting, abaxially sparsely minutely glandular, pilose along veins, adaxially glabrous or puberulous, base cordate or sometimes slightly cuneate, margin crenulate-lobulate, apex rounded. Scapes 3--13 cm, sparsely pilose and glandular; umbels 1 or 2, superimposed, 2--10-flowered; bracts linear to narrowly oblong, 2--4 mm, ± pubescent, apex acute, sometimes with small petiolate leaves arising from axils of bracts. Pedicel 0.3--2 cm, with dense minute glands intermixed with few multicellular hairs. Flowers heterostylous. Calyx broadly campanulate, 2.8--4 mm, glabrous or pilose, parted nearly to middle; lobes triangular to ovate-triangular, apex acute. Corolla pink to lavender-rose, with a yellow eye; limb 1--1.5 cm wide; lobes obovate, emarginate. Pin flowers: corolla tube 6--7 mm; stamens 3--3.5 mm above base of corolla tube; style ca. 4.5 mm. Thrum flowers: corolla 7.5--8.2 mm; stamens near tube apex; style ca. 2.5 mm. Capsule unknown. Fl. Jun-Jul.

In shaded limestone rock crevices, in damp moss on limestone cliffs; 2300--2700 m. W Yunnan (Pianma Xian) [N Myanmar].


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