Primula annulata I. B. Balf. & Kingdon-Ward

Herbs perennial, efarinose. Rhizomes terminating in 1 or 2 leaf rosettes; leaf rosettes 1--1.5 cm in diam, with remains of old leaves at base. Petiole winged, nearly as long as leaf blade; leaf blade obovate-spatulate to oblong-spatulate, 7--15 X 3--5 mm, minutely short-stalked glandular, slightly scabrous, base attenuate, margin regularly serrate to serrate-lobulate, apex rounded to obtuse. Scapes 1--4 cm, densely glandular, with a solitary flower; bracts 2, subulate or narrowly lanceolate, 1.5--2.5 mm. Pedicel ca. 2 mm, elongating to 4 mm in fruit, densely glandular. Flower terminal, homostylous. Calyx campanulate, 3.5--4 mm, densely glandular outside, parted to near middle; lobes oblong, margin sometimes slightly dentate, apex obtuse or acute. Corolla violet or rose-pink; tube ca. 5 mm, puberulous inside; limb ca. 8 mm wide; lobes obovate-cuneate, deeply emarginate. Stamens near middle of corolla tube. Style reaching anthers. Capsule cylindric, nearly as long as calyx. Fl. Jul.

NW Yunnan (Dêqên Xian, Zhongdian Xian).

* Limestone cliffs; ca. 4700 m.

Primula annulata là một loài thực vật có hoa trong họ Anh thảo. Loài này được Balf. f. & Kingdon-Ward miêu tả khoa học đầu tiên năm 1915.

单花小报春（学名：Primula annulata）为报春花科报春花属下的一个种。