Primula klaveriana Forrest

Herbs perennial, efarinose, with small oblong membranous basal bud scales. Petiole nearly obsolete or to 1 cm; leaf blade elliptic-obovate to oblong-obovate, 4--14 X 3--8 cm, enlarging to 35 X 15 cm at fruiting, papery or firm papery, abaxially with dense short glandular hairs and multicellular hairs on midvein, adaxially minutely glandular, base obtuse to broadly cuneate, margin crenate, apex rounded to slightly retuse. Scapes 10--12 cm, elongating to 30 cm in fruit, ± pilose; umbels 2--10-flowered; bracts lanceolate, 6--12 mm, puberulous. Pedicel ca. 1 cm, elongating to 2 cm in fruit. Flowers homostylous. Calyx campanulate, 1.1--1.3 cm, pubescent, parted slightly below middle; lobes ovate-lanceolate, apex acute. Corolla blue to lavender-blue; tube ca. 1.8 cm; limb 2--2.5 cm wide; lobes obovate, margin entire. Stamens near apex of corolla tube. Style exserted ca. 4 mm above anthers. Capsule globose, shorter than calyx. Fl. Apr.

W Yunnan [N Myanmar].

Thicket margins, streamsides; 2700--3700 m.