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

127. Primula helodoxa I. B. Balfour, Notes Roy. Bot. Gard. Edinburgh. 9: 171. 1916.

泽地灯台报春 ze di deng tai bao chun

Herbs perennial. Leaves forming a rosette; petiole 1/4--1/2 as long as leaf blade, broadly winged; leaf blade broadly oblanceolate to obovate-oblong, 10--15 X 2--4 cm, tapering at base, efarinose or sparsely yellow farinose abaxially, margin denticulate, apex obtuse to rounded. Scapes 40--90 cm, elongating to 1.2 m in fruit, yellow farinose on nodes; umbels 4--6, superimposed, 6--12(--20)-flowered; bracts linear to linear-lanceolate, 0.7--1.5(--3) cm. Pedicel 1.3--2.5(--3.5) cm, ± yellow farinose. Flowers heterostylous. Calyx campanulate, 3.5--5 mm, copiously yellow farinose outside, parted to 1/3; lobes triangular, apex hydathode-apiculate. Corolla bright golden yellow; tube 1.2--1.8 cm; limb ca. 2.5 cm wide; lobes obovate, ca. 8 X 6 mm, distinctly emarginate. Pin flowers: corolla tube 1.2--1.3 cm; stamens ca. 2 mm above base of corolla tube; style 1--1.1 cm. Thrum flowers: corolla tube 1.3--1.8 cm; stamens 1.1--1.4 cm above base of corolla tube; style ca. 3 mm. Capsule globose, slightly shorter than calyx. Fl. Mar-May. 2n = 22@.

* Open wet grasslands, streamsides; ca. 2000 m. W Yunnan (Tengchong Xian)


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