栏目

卵叶鼠李Rhamnus bungeana J. Vass.

卵叶鼠李Rhamnus bungeana J. Vass.

别名:麻李;小叶鼠李;

科名:鼠李科 Rhamnaceae

属名:鼠李属 Rhamnus

《中国植物志》第48(1)卷055页
  24. 卵叶鼠李(新拟)小叶鼠李(河北、山西),麻李(河北)图版19: 1-3
  Rhamnus bungeana J. Vass. in Not. Syst. Inst. Bot. Acad. Sci. URSS 8: 123. 1940; Grub. in Act. Inst. Bot. Acad. Sci. URSS ser. 1, 8: 335. 1949. ——R. parvifolia auct. non Bunge: Schneid. Ill. Handb. Laubholzk. 2: 285, f. 196y, 192 k, 1. 1909. p. p.
  小灌木,高达2米;小枝对生或近对生,稀兼互生,灰褐色,无光泽,被微柔毛,枝端具紫红色针刺;顶芽未见,腋芽极小。叶对生或近对生,稀兼互生,或在短枝上簇生,纸质,卵形、卵状披针形或卵状椭圆形,长1-4厘米,宽0.5-2厘米,顶端钝或短尖,基部圆形或楔形,边缘具细圆齿,上面绿色,无毛,下面干时常变黄色,沿脉或脉腋被白色短柔毛,侧脉每边2-3条,有不明显的网脉,两面凸起,叶柄长5-12毫米,具微柔毛,托叶钻形,短,宿存。花小,黄绿色,单性,雌雄异株,通常2-3个在短枝上簇生或单生于叶腋,4基数;萼片宽三角形,顶端尖,外面有短微毛,花瓣小;花梗长约2-3毫米,有微柔毛;雌花有退化的雄蕊,子房球形,2室,每室有1胚珠,花柱2浅裂或半裂。核果倒卵状球形或圆球形,直径5-6毫米,具2分核,基部有宿存的萼筒,成熟时紫色或黑紫色;果梗长2-4毫米,有微毛; 种子卵圆形,长约5毫米,无光泽,背面有长为种子4/5的纵沟。花期4-5月,果期6-9月。
  产吉林、河北、山西、山东、河南及湖北西部。常生于海拔1800米以下的山坡阳处或灌丛中。模式标本采自北京附近。
  本种外形很似小叶鼠李R. Parvifolia Bunge,但后者叶菱状倒卵形或菱状椭圆形,下面腋脉窝孔内有簇毛,小枝紫色或深褐色,有光泽,种子背面具较窄的纵沟,与本种不同。叶及树皮含绿色染料,可染布。

《Flora of China》 Vol. 12 (2007)
Rhamnus bungeana  J. J. Vassiljev
卵叶鼠李   luan ye shu li
Shrubs dioecious, to 2 m tall, spinose. Branchlets opposite or subopposite, rarely alternate, gray-brown puberulent, terminating in a purple-red spine; axillary buds minute. Leaves opposite or subopposite, rarely alternate, or fascicled on short shoots; stipules subulate, persistent; petiole 5-12 mm, puberulent; leaf blade abaxially often turning yellow, adaxially green, ovate, ovate-lanceolate, or ovate-elliptic, 1-4 × 0.5-2 cm, papery to subleathery, abaxially white pubescent on veins or vein axils, adaxially glabrous, lateral veins 2 or 3 pairs, prominent on both surfaces, base rounded or cuneate, margin crenulate, apex obtuse or shortly acute. Flowers yellow-green, small, unisexual, 4-merous, usually 2- or 3-fascicled on short shoots or solitary in leaf axils. Sepals broadly triangular, abaxially puberulent, apex acute. Petals minute. Pedicels 2-3 mm, puberulent. Female flowers with rudimentary stamens; ovary globose, 2-loculed; style 2-fid or cleft to half. Drupe purple or black-purple at maturity, obovoid-globose or globose, 5-6 mm in diam., with 2 stones, with persistent calyx tube at base; fruiting pedicel 2-4 mm, puberulent. Seeds ovoid-globose, ca. 5 mm, abaxially with margined furrow extending over 4/5 of length. Fl. Apr-May, fr. Jun-Sep. 2n = 24*.
● Thickets, open slopes; ca. 1800 m. Hebei, Henan, W Hubei, Jilin, Shandong, Shanxi.
This species is quite similar to Rhamnus parvifolia, but the latter differs in having leaves rhombic-obovate or rhombic-elliptic, abaxially with clustered hairs in vein axils; branchlets purple or dark brown, shiny; and seeds abaxially with margined, narrow furrows.

The leaves and bark contain dye used for dyeing tissues.

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