254. Primula minutissima Jacquemont ex Duby in A. de Candolle, Prodr. 8: 42. 1844.
高峰小报春 gao feng xiao bao chun
Primula heydei Watt.
Herbs perennial, forming dense tufts of numerous rosettes, occasionally producing short leafy stolons. Leaves forming a rosette; petiole indistinct or occasionally nearly as long as leaf blade; leaf blade narrowly oblong to lanceolate or oblanceolate, 5--10 X 1.5--3 mm, abaxially densely yellow farinose, adaxially sparsely glandular, base attenuate, margin denticulate above middle, apex acute to acuminate. Scapes initially inconspicuous, hidden in leaves, to 2.5--4.5(--6) cm in fruit, 1--3(--8)-flowered; bracts 2 or 3, lanceolate, to 3 mm, apex acute. Flowers sessile, heterostylous. Calyx tubular to tubular-campanulate, 3--4 mm, farinose, parted slightly below middle; lobes lanceolate, apex acute. Corolla dark reddish purple, exannulate; tube 7--9 mm; limb 5--10 mm wide; lobes obovate, deeply emarginate. Pin flowers: stamens ca. 2 mm above base of corolla tube; style slightly exceeding middle of tube. Thrum flowers with positions reciprocal. Capsule cylindric, nearly as long as calyx. Fl. Jun.
Damp meadows; 3700--5200 m. W Xizang (Ngari Xian) [India, Nepal, Pakistan].
W. Smith and H. R. Fletcher (Trans. & Proc. Bot. Soc. Edinburgh 33: 238. 1942) cited all flowering specimens as Primula minutissima and all specimens in fruit as P. heydei. There is no doubt that they are the same species in different stages of development.