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

12. Primula lithophila F. H. Chen & C. M. Hu, Fl. Reipubl. Popularis Sin. 59(2): 290. 1990.

习水报春 xi shui bao chun

Herbs perennial, efarinose. Rhizomes to 4 cm, with numerous purplish brown roots, with dense coarse tawny hairs at apex. Leaves forming a rosette; petiole 3--10 cm, narrowly winged, densely rust-colored pilose; leaf blade suborbicular to broadly ovate, 2.5--6 cm wide, membranous when dry, abaxially sparsely pilose, pubescent along veins, base cordate, margin obscurely remote crenate or nearly entire, apex rounded. Scapes 9--15 cm, pilose; umbels 1--3, superimposed, 2--6-flowered; bracts linear, 5--9 mm, pilose. Pedicel 0.5--1.5 cm, pilose. Flowers heterostylous. Calyx narrowly campanulate, 7--10 mm, with multicellular hairs, more densely pubescent near base, parted ca. to upper 1/3; lobes ovate-triangular, 2--3 mm, apex acute or subobtuse. Corolla rose; tube cylindric, ca. 1.1 cm; limb 5.6--8 mm wide; lobes obovate, ca. 3 X 1.8 mm, emarginate. Pin flowers: stamens near base of corolla tube; style ca. 9 mm. Thrum flowers: stamens at middle of corolla tube; style ca. 2 mm. Capsule cylindric, ca. as long as calyx. Fl. Jul-Aug, fr. Sep.

* On moist rocks in ravines. NW Guizhou (Xishui Xian)


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