宽苞十大功劳Mahonia eurybracteata

宽苞十大功劳Mahonia eurybracteata

宽苞十大功劳Mahonia eurybracteata

宽苞十大功劳Mahonia eurybracteata

中文名(Chinese Name):宽苞十大功劳
学名(Scientific Name):Mahonia eurybracteata Fedde
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Mahonia berberidifolia Hsiao et Y. S. Wang  Mahonia confusa Sprague  Mahonia zemanii Schneider
科属(Family & Genus):小檗科(Berberidaceae)十大功劳属
形态特征(Description):灌木,高0.5-2(-4)米。叶长圆状倒披针形,长25-45厘米,宽8-15厘米,具6-9对斜升的小叶,最下-对小叶距叶柄基部约5厘米或靠近基部,上面暗绿色,侧脉不显,背面淡黄绿色,叶脉开放,明显隆起,叶轴粗2-3毫米,节间长3-6厘米,往上渐短;小叶椭圆状披针形至狭卵形,最下一对小叶长2.6厘米,宽0.8-1.2厘米,往上小叶长4-10厘米,宽通常2-4厘米,基部楔形,边缘每边具3-9刺齿,先端渐尖,顶生小叶稍大,长8-10厘米,宽1.2-4厘米,近无柄或长达约3厘米。总状花序4-10个簇生,长5-10厘米;芽鳞卵形,长1-1.5厘米,宽0.6-1厘米;花梗细弱,长3-5毫米;苞片卵形,长2.5-3毫米,宽1.5-2毫米;花黄色;外萼片卵形,长2-3毫米,宽1-2毫米,中萼片椭圆形,长3-4.5毫米,宽1.6-2.8毫米,内萼片椭圆形,长3-5毫米,宽1.8-3毫米;花瓣椭圆形,长3-4.3毫米,宽1-2毫米,基部腺体明显,但有时不明显,先端微缺裂;雄蕊长2-2.6毫米,药隔不延伸,先端平截;子房长约2.5毫米,柱头显著,长约0.5毫米,胚珠2枚。浆果倒卵状或长圆状,长4-5毫米,直径2-4毫米,蓝色或淡红紫色,具宿存花柱,被白粉。花期8-11月,果期11月至翌年5月。
分布(Distribution):产于贵州、四川、湖北、湖南、广西。生于常绿阔叶林中、竹林中、灌丛中、林缘、草坡或向阳岩坡。海拔350-1950米。
用途(Use):
引自中国植物志英文版FOC Vol. 19 Page 772, 773, 777
Mahonia eurybracteata Fedde, Bot. Jahrb. Syst. 31: 127. 1901.
宽苞十大功劳 kuan bao shi da gong lao| Berberidaceae  | Mahonia
Shrubs, 0.5-2(-4) m tall. Leaves abaxially yellowish green, adaxially dark green, oblong-oblanceolate or oblong, 18-45 × 7-15 cm, with 5-9 pairs of obliquely ascending, mostly separate or sometimes contiguous leaflets; lowest pair of leaflets similar to and close to others, ca. 5 cm above base of petiole, abaxial venation open and raised, adaxial lateral veins inconspicuous; rachis 2-3 mm in diam.; internodes decreasing in length upward, 3-6 cm; leaflets linear or narrowly elliptic to elliptic-lanceolate or narrowly ovate, lowest 2.5-6 × 0.4-1.2 cm, those above increasing in length from base to apex, becoming 4-12.5 × 0.5-4 cm, base cuneate, margin 3-9-spinose-serrate, apex acuminate; terminal leaflet scarcely larger, 8-10 × 1.2-4 cm, sessile or petiolule to ca. 3 cm. Inflorescence 4-10-fascicled racemes, 5-10 cm; bracts of inflorescence ovate to ovate-oblong, 1-1.5 cm × 6-10 mm. Pedicel 1.5-5 mm, slender; floral bracts ovate, 1.2-3 × 0.8-2 mm. Sepals yellow; outer sepals ovate to ovate-oblong, 2-4.5 × 1-2 mm; median sepals elliptic, 3-4.5 × 1.6-2.8 mm; inner sepals elliptic, 3-5 × 1.8-3 mm. Petals elliptic or oblong, 3-4.3 × 1-2 mm, glands at base distinct or sometimes indistinct, apex slightly emarginate, lobes obtuse or rounded. Stamens 2-2.6 mm; anther connective not prolonged, truncate. Ovary 2-2.5 mm; ovules 2; stigma ca. 0.5 mm. Berry blue or reddish purple, pruinose, obovoid or oblong, 4-5 × 2-4 mm; style persistent. Fl. Jul-Nov, fr. Nov-May of following year.
● Forests, forest margins, streamsides, thickets, weedy slopes, open rocky ground; 200-2000 m. Guangxi, Guizhou, Hubei, Hunan, Sichuan.
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