北江十大功劳Mahonia fordii

北江十大功劳Mahonia fordii

北江十大功劳Mahonia fordii

北江十大功劳Mahonia fordii

中文名(Chinese Name):北江十大功劳
学名(Scientific Name):Mahonia fordii Schneid.
英文名(English Common Name):
别名(Chinese Common Name):广东十大功劳、南岭十大功劳、岭南十大功劳
异名(Synonym):
科属(Family & Genus):小檗科(Berberidaceae)十大功劳属
形态特征(Description):灌木,高0.8-1.5米。叶长圆形至狭长圆形,长20-35厘米,宽7-11厘米,具5-9对排列稀疏的小叶,最下一对小叶距叶柄基部1-1.5厘米,上面暗绿色,叶脉微显,背面淡绿色,叶脉不显,叶轴粗1.5-2.5毫米,节间长2-7厘米;最下一对小叶狭卵形,长3.5-5.5厘米,宽1.5-2.4厘米,向上小叶狭卵形至椭圆状卵形,近等大,长5-8厘米,宽1.8-2.7厘米,基部阔圆形至楔形,边缘每边具2-9刺锯齿,先端渐尖,顶生小叶稍大,具小叶柄,长 1.5-2厘米。总状花序5-7个簇生,长6-15厘米;芽鳞卵形至卵状披针形,长1-1.4厘米,宽0.6-0.8厘米;花梗长2.5-4毫米;苞片阔卵形,长1.5-2毫米,宽0.6-1毫米;花黄色;外萼片卵形,长约2毫米,宽约1.6毫米,中萼片椭圆形,长3.5-4毫米,宽2.5-3毫米,先端钝,内萼片倒卵状椭圆形,长4-4.5毫米,宽约3毫米;花瓣椭圆形,长约4毫米,宽约2.3毫米,基部腺体显著,先端微缺;雄蕊长2.6毫米,药隔不延伸,顶端平截;子房长约2.3毫米,胚珠2枚。浆果(未熟)长约7毫米,直径约5毫米,宿存花柱很短。花期7-9月,果期10-12月。
分布(Distribution):产于广东、四川。生于林下或灌丛中。海拔约850米。
用途(Use):
引自中国植物志英文版FOC Vol. 19 Page 773, 782
Mahonia fordii C. K. Schneider in Sargent, Pl. Wilson. 1: 383. 1913.
北江十大功劳 bei jiang shi da gong lao| Berberidaceae  | Mahonia
Berberis fordii (C. K. Schneider) Laferrière.
Shrubs, 0.8-1.5 m tall. Leaves abaxially pale, adaxially dull, oblong to narrowly oblong, 20-35 × 7-11 cm, with 5-9 pairs of remote leaflets, lowest pair 1-1.5 cm above base of petiole, abaxially not veined, adaxially slightly veined; rachis 1.5-2.5 mm in diam.; internodes decreasing in length apically, 2-7 cm; lowest pair of leaflets narrowly ovate, 3.5-4.5 × 1.5-2.4 cm, those above narrowly ovate to elliptic-ovate, equal in size, 5-8 × 1.8-2.7 cm, base broadly rounded to cuneate, margin 2-9-spinose-serrate, apex acuminate; terminal leaflet similar to others but slightly larger, petiolule 1.5-2 cm. Inflorescence 5-7-fascicled racemes, 6-15 cm; bracts of inflorescence ovate to ovate-lanceolate, 1-1.5 cm × 6-8 mm. Pedicel 2.5-4 mm; floral bracts broadly ovate, 1.5-2 × 0.6-1 mm. Sepals yellow; outer sepals ovate, ca. 2 × 1.6 mm; median sepals elliptic, 3.5-4 × 2.5-3 mm, apically obtuse; inner sepals obovate-elliptic, 4-4.5 × ca. 3 mm. Petals elliptic, ca. 4 × 2.3 mm, base with distinct glands, apex emarginate. Stamens ca. 2.6 mm; anther connective not prolonged, truncate. Ovary ca. 2.3 mm; ovules 2. Berry (immature only) obovoid, ca. 7 × 5 mm; style persistent, short. Fl. Jul-Sep, fr. Oct-Dec.
● Forests, thickets; 800-900 m. Chongqing, Guangdong.
(责任编辑:徐晔春)

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