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FOC | Family List | FOC Vol. 15 | Primulaceae | Primula

188. Primula agleniana I. B. Balfour & Forrest in I. B. Balfour, Notes Roy. Bot. Gard. Edinburgh. 13: 3. 1920.

乳黄雪山报春 ru huang xue shan bao chun

Primula agleniana I. B. Balfour & Forrest var. alba Forrest; P. agleniana var. atrocrocea Ward.

Herbs perennial, with a bulblike stock formed by overlapping basal bud scales. Petiole ca. as long as to slightly shorter than leaf blade, usually longer than leaf blade at fruiting; leaf blade lanceolate to oblanceolate, 10--25 X 2--5 cm, abaxially greenish yellow farinose or nearly efarinose, base attenuate, margin laciniate-dentate, apex acute. Scapes 20--40 cm, sparsely farinose toward apex; umbels 2--5(--8)-flowered; bracts lanceolate, 5--10 mm. Pedicel 1.5--3(--4) cm, elongating to 6 cm in fruit, densely minutely glandular. Flowers heterostylous. Calyx campanulate, 1.1--1.5 cm, glandular, parted to near middle; lobes oblong, apex obtuse to rounded. Corolla pale yellow or cream-white, rarely white or pink, campanulate, ca. 3 cm, exannulate; limb 3--4 cm wide; lobes broadly obovate to orbicular, ca. 1 X 1.2 cm, slightly emarginate. Pin flowers: corolla tube ca. as long as calyx; stamens at middle of tube; style ca. 1 cm. Thrum flowers: corolla tube slightly longer than calyx; stamens at level of calyx; style ca. 2 mm. Capsule cylindric, ca. as long as to slightly longer than calyx. Fl. May-Jun.

Damp meadows, streamsides; 4000--4500 m. SE Xizang, NW Yunnan [N Myanmar].


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