秦岭小檗Berberis circumserrata

秦岭小檗Berberis circumserrata

秦岭小檗Berberis circumserrata

中文名(Chinese Name):秦岭小檗
学名(Scientific Name):Berberis circumserrata (Schneid.) Schneid.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Berberis diaphana var. circumserrata C. K. Schneid.;Berberis circumserrata var. subarmarta Ahrendt
科属(Family & Genus):小檗科(Berberidaceae)小檗属
形态特征(Description):落叶灌木,高达1米。老枝黄色或黄褐色,具稀疏黑色疣点,具条棱,节间1.5-4厘米;茎刺三分叉,长1.5-3厘米。叶薄纸质,倒卵状长圆形或倒卵形,偶有近圆形,长1.5-3.5厘米,宽5-25毫米,先端圆形,基部渐狭,具短柄,边缘密生15-40整齐刺齿;上面暗绿色,背面灰白色,被白粉,两面网脉明显突起。花黄色,2-5朵簇生;花梗长1.5-3厘米,无毛;萼片2轮,外萼片长圆状椭圆形,长7-8毫米,宽4-5毫米,内萼片倒卵状长圆形,长9-10毫米,宽6-7毫米;花瓣倒卵形,长7-7.5毫米,宽4-4.5毫米,先端全缘,基部略呈爪,具2枚分离腺体;雄蕊长约4毫米,药隔先端圆钝或平截;胚珠通常6-7枚,有时3或8枚。浆果椭圆形或长圆形,红色,长1.3-1.5厘米,直径5-6毫米,具宿存花柱,不被白粉。花期5月,果期7-9月。
分布(Distribution):产湖北、陕西、甘肃、青海,生于海拔1450-3300米的山坡、林缘、灌丛中。
用途(Use):根皮含小檗碱,供药用,为苦味健胃剂,也有解毒,抗菌、消炎作用,太白山地区也有用本种树皮代替黄檗皮使用的。
引自中国植物志英文版FOC Vol. 19 Page 721, 732
Berberis circumserrata (C. K. Schneider) C. K. Schneider in Sargent, Pl. Wilson. 3: 435. 1917.
秦岭小檗 qin ling xiao bo | Berberidaceae  | Berberis
Shrubs, deciduous, to 1 m tall. Branches yellow or yellowish brown, sulcate, sparsely black verruculose; internodes 1.5-4 cm; spines 3-fid, 1.5-3 cm. Leaves very shortly petiolate; leaf blade abaxially gray-white, adaxially dark green, obovate-oblong or obovate, occasionally suborbicular, 1.5-3.5 × 0.5-2.5 cm, papery, abaxially pruinose, both surfaces with conspicuously raised reticulate veins, base attenuate, margin closely 15-40-spinulose-serrulate on each side, apex rounded. Flowers 2-5-fascicled. Pedicels (0.8-)1.5-3 cm, glabrous. Sepals in 2 or 3 whorls; outer sepals oblong-elliptic, 7-8 × 4-5 mm; inner sepals obovate-oblong, 9-10 × 6-7 mm. Petals obovate, 7-7.5 × 4-4.5 mm, base clawed, with separate glands, apex entire or emarginate. Stamens ca. 4 mm; anther connective rounded or truncate. Ovules (3-)6 or 7(or 8). Berry red, ellipsoid or oblong, (1-)1.3-1.5 cm × 5-6(-7) mm, not pruinose, style persistent. Fl. May, fr. Jul-Sep.
● Mountain slopes, ridges, forest margins, thickets, runlet sides; 1400-3500 m. Gansu, Henan, Hubei, Qinghai, Shaanxi.
(责任编辑:duckuly)

顶一下[2]

踩一下[0]