Perilla leaf

Pinyin name ] [ Dà Yè Z S ì Jiū
[ source ]
Source: for medicinal Labiatae plants leaves the whole grass or root.
Latin animal mineral name: Elsholtzia flava ( Benth. ) Benth.
Harvest and storage: autumn harvest, fresh or dried.
[ ] the original morphology of lobar Elsholtzia, erect subshrubs,0.6-2.6m. Stems and branches, four prism, densely gray pubescent. Leaves opposite; petiole 3-6cm, densely pilose; leaf blade broadly ovate or suborbicular length 8-15cm, width 5.2-8.2cm, apex abruptly acuminate or caudate-acuminate, base rounded or slightly cordate, oblique, margin obtusely serrate, pubescent on both surfaces, the golden yellow glandular dots. Verticillaster inflorescence many flowered concentrated into pseudospikes, long 6-10cm, terminal and axillary; bracts broadly ovate; about 3mm long, apex with small cusp, outside puberulent, margin ciliate; calyx campanulate, ca.3.5mm, pilose and glandular dots, calyx teeth5, with linear cusp, calyx fruit growth was 6.5mm; corolla yellow, ca.6.5mm, outside pilose and glandular dots, upper lip erect, apex emarginate, cleft lip in3, lobes suborbicular, margin erose, lateral lobes nearly oblong, apex rounded; stamens 4, anterior to the long, protruding, filaments glabrous, anthers oblong, room 2; ovary4 crack, style longer than stamens,2lobed stigma. Nutlets oblong, ca.1mm, dark brown. Florescence 7-10 month, month of fruit period 8-11.
[ ] habitat distribution
Ecological environment : in elevation of 1100-2900m small river grass, small shrubs, forest margins, roadsides or open farmland.
Resource distribution: located in Zhejiang, Hubei, Sichuan, Guizhou, Yunnan and Tibet etc..
[ character ] characters in roll, stems slightly square column shape, smooth, glabrous; hard. Ye Juanqu shrinkage, after flattening is broadly ovate or suborbicular, usually long10-15cm, wide 8-13cm, apex abruptly caudate acuminate, margin serrate; petiolar long 3-5cm. Visible spikes, yellow brown. Micro gas smell, taste bitter.
[ ] taste acrid in taste and cool;
[ ] published ventilating lung functions; heat-clearing and detoxicating. The main common cold of wind-heat; Yue heat cough; sore throat; furuncle poison
[ usage]: orally taken decoction,10-30g. External: amount, trace and apply; or fresh leaf sticking.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/