Bean leaf.

[ ] Dò u Pinyin name Yè Shē n
[ source ]
Medicine medium source: for Erlang Mountain Primula Primulaceae plants.
Latin botanical name: Primula epilosa Craib animal fossil
Harvest and storage: 7-9 months digging roots, removed from fibrous roots, washed, dried.
[ ] the original morphology of perennial herb. With short rhizomes and most thick long roots. Leaves basal, blossom time in new leaf base scaly, scales oblong or oblong-lanceolate, 6-20mm long, with brown; petiolar long 5-25mm, wide winged; leaf blade oblong-obovate or oblong-oblanceolate, blossom when the new leaves are undeveloped, old leaf length 5-10cm, width 2-4cm, apex rounded, base attenuate, margin with callose pointed triangular teeth, when the stem is nearly leathery, dark green above, rough, pale green below, only along veins sparsely yellow, slightly wider in rib. Scapes 3.5-14cm, terminal umbel with flower 2-5; bracts strip or strips lanceolate, membranous; pedicels long 3-10mm, long 4-20mm, covered with yellow hairs; calyx campanulate, long 7-11mm, 5 lobed, lobes ovate or ovate-lanceolate, outside yellow hairs; corolla purplish blue, there is sparse. Dark purple stripes, 5 lobed, lobes broadly obovate, width of 12mm, apex deeply 2 crack; long style flowers: corolla tube ca. 10mm, stamen from the crown cylinder basal ca. 4mm, style slightly protruding cylinder port; short style flowers: corolla tube length 14-17mm, stamens nearly crown cylinder mouth was born, style long 4-5.5mm. Capsule globose, wrapped in a enlarged persistent calyx. Seeds numerous, round, black, have small wart. Florescence 4-5 month.
[ ] habitat distribution
Ecological environment : in altitude 2000-2900m forest margins and damp rock.
Resource distribution: distribution in Hubei and the Western Sichuan ( Tianquan, Luding ).
[ ] taste Gan; cool
[ ] functions of clearing heat and removing dampness. The main jaundice; urine color of Huang Setong
[ usage]: orally taken decoction, 9-18g.
Excerpts from " Chinese Materia Medica " [ ]

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