白背小报春 bai bei bao chun

Primula forbesii Franchet subsp. hypoleuca (Handel-Mazzetti) W. W. Smith & Forrest.

Herbs perennial, farinose, glabrous. Rhizomes producing a leaf rosette, rarely a very short stem. Leaves forming a rosette; petiole narrowly winged, 1.5--6 cm, usually slightly longer than leaf blade; leaf blade oblong to elliptic, 1.5--4.5 X 1--2(--2.5) cm, abaxially densely white farinose, base subtruncate to cordulate, margin crenate-lobulate; lobules obtuse, 1--3 mm, apex rounded. Scapes 10--25 cm; umbels 1--3, superimposed, 4--10-flowered; bracts lanceolate, 4--7 mm, initially white farinose. Pedicel 0.8--2.4 cm, ± glandular. Flowers heterostylous. Calyx broadly campanulate, 3.5--4.5 mm, slightly enlarging in fruit, white farinose, parted to middle; lobes triangular, apex acute. Corolla pink; tube 4--6 mm; limb 0.8--1.5 cm wide; lobes broadly obovate, emarginate. Pin flowers: stamens ca. 2 mm above base of corolla tube; style ca. 3 mm. Thrum flowers: stamens slightly above middle of corolla tube; style ca. 1 mm. Capsule unknown. Fl. Apr.

* Wet lakeshores, in reeds; ca. 1900 m. Yunnan (Kunming Shi)