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Chinese Plant Names | Family List | Primulaceae | Primula

Primula effusa W. W. Smith et Forr.


Description from Flora of China

Herbs perennial, with a short rhizome. Leaves forming a rosette; petiole 3--12(--16) cm, usually glabrous, efarinose or slightly white farinose toward apex; leaf blade rotund-ovate to nearly reniform, 1.5--4.5(--7) cm and ca. as wide, initially finely glandular pubescent, becoming glabrescent, base cordate, margin obscurely undulate-lobulate, irregularly dentate, with broad triangular teeth, often toothed again, apex rounded. Umbels 1--3(--5), superimposed, 5--16-flowered; bracts linear-lanceolate, 3--6 mm, glabrous, occasionally farinose. Pedicel slender, 2--5 cm, glabrous or nearly so, sometimes farinose. Flowers heterostylous. Calyx campanulate, 3.5--4.5 mm, ± farinose, parted to ± middle; lobes lanceolate, apex acute. Corolla pink or lavender-rose, with a white eye; tube yellow or orange, 7--8 mm; limb ca. 1.3 cm wide; lobes obcordate. Pin flowers: stamens ca. 2 mm above base of corolla tube; style reaching middle of tube. Thrum flowers: stamens near middle of corolla tube; style ca. 1 mm. Capsule globose, 3--4 mm in diam. Fl. May-Aug. 2n = 18@.

* Shaded moist areas near cultivated fields, along irrigation ditches; 1400--2600 m. C and N Yunnan.


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