Description from
Flora of China
Primula delavayi Franchet, Bull. Soc. Bot. France 32: 272. 1885; Omphalogramma farreri I. B. Balfour.
Plants perennial, with overlapping bud scales at base forming a stock to 10 cm. Leaves with petioles nearly as long as leaf blade, to 3 X as long as leaf blade at fruiting; leaf blade broadly ovate to oblong or suborbicular, not well-developed and partly concealed by basal bud scales at anthesis, 3--7 X 2--5 cm, enlarging to ca. 10 X 7 cm at fruiting, abaxially with tawny multicellular hairs along veins and at margin, adaxially sparsely pubescent along midvein, base cordulate to cordate, margin obscurely repand to crenulate, apex obtuse to rounded. Scapes 6--15 cm, elongating to 20--30 cm in fruit, pilose. Flowers precocious. Calyx broadly campanulate, 1.2--1.5 cm, parted nearly to base; lobes lanceolate, pubescent outside, margin occasionally dentate, apex acute to obtuse; veins 3--5. Corolla rose-purple, infundibuliform, 4--5 cm, pilose outside; tube 2--3 X as long as calyx; limb 3--3.5 cm wide; lobes ovate to oblong-ovate, apex incised-dentate. Stamens inserted 1--1.3 cm above base of corolla tube; filaments 5--7.5(--10) mm, slightly pubescent; anthers 5--6 mm. Ovary glabrous; style pubescent on lower part. Capsule 2--2.5 cm. Fl. Jun. 2n = 48.
* Alpine scrubland, grassy slopes; 3300--4000 m. W Yunnan.