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粉叶小檗Berberis pruinosa

时间:2013-12-04 16:36来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 粉叶小檗 学名( Scientific Name ): Berberis pruinosa Franch. 英文名( English Common Name ): 别名( Chinese Common Name ): 大黄连刺 异名( Synonym ): Berberis hibbardiana Ahrendt Berberis pruinosa var. br




中文名(Chinese Name):粉叶小檗
学名(Scientific Name):Berberis pruinosa Franch.
英文名(English Common Name):
别名(Chinese Common Name):大黄连刺
异名(Synonym):Berberis hibbardiana Ahrendt  Berberis pruinosa var. brevipes Ahrendt  Berberis pruinosa var. punctata Ahrendt  Berberis hibberdiana Ahrendt  Berberis pruinosa var. brevifolia Ahrendt  Berberis pruinosa var. longifolia Ahrendt  Berberis pruinosa var. serratifolia Ahrendt
科属(Family & Genus):小檗科(Berberidaceae)小檗属
形态特征(Description):常绿灌木,高1-2米。枝圆柱形,棕灰色或棕黄色,被黑色疣点;茎刺粗壮,三分叉,长2-3.5厘米,腹面具槽或扁平,与枝同色。叶硬革质,椭圆形,倒卵形,少有椭圆状披针形,长2-6厘米,宽1-2.5厘米,先端钝尖或短渐尖,基部楔形,上面亮黄绿色或灰绿色,中脉扁平,侧脉微隆起,背面被白粉或无白粉,中脉明显隆起,侧脉微显,两面网脉不显,叶缘微向背面反卷或平展,通常具1-6刺锯齿或刺齿,偶有全缘或多达8-9刺齿;近无柄。花(8-)10-20朵簇生;花梗长10-20毫米,纤细;小苞片披针形,长约2毫米,先端渐尖;萼片2轮,外萼片长圆状椭圆形,长约4毫米,宽约2毫米,先端钝圆,内萼片倒卵形,长约6.5毫米,宽约5毫米,先端圆形;花瓣倒卵形,长约7毫米,宽4-5毫米,先端深缺裂,基部缢缩呈爪,具2枚分离腺体;雄蕊长约6毫米,药隔先端近平截;胚珠2-3枚。浆果椭圆形或近球形,长6-7毫米,直径4-5毫米,顶端通常无宿存花柱,有时具短宿存花柱,密被或微被白粉;含种子2枚。花期3-4月,果期6-8月。
分布(Distribution):产于云南、贵州、四川、西藏。生于灌丛中,高山栎林、云杉林缘、路边或针叶林下。海拔1800-4000米。
用途(Use):
引自中国植物志英文版FOC Vol. 19 Page 722, 746
Berberis pruinosa Franchet, Bull. Soc. Bot. France. 33: 387. 1886.
粉叶小檗 fen ye xiao bo| Berberidaceae  | Berberis
Shrubs, evergreen, 1-2 m tall. Branches brownish gray or brownish yellow, terete, black verruculose; spines 3-fid, concolorous, 2-3.3 cm, stout, adaxially sulcate or flat. Leaves subsessile; leaf blade adaxially shiny, yellow-green or grayish green, elliptic to obovate, 2-6 × 1-2.5 cm, rigidly leathery, abaxially pruinose or not, midvein obviously raised, lateral veins indistinct, adaxially with flat midvein, lateral veins slightly raised, both surfaces with indistinct reticulate veins, base cuneate, margin slightly revolute or flat, usually coarsely 1-6-aristate-dentate on each side, occasionally entire or 3-5-spinose-serrate on each side, apex obtuse or shortly acuminate. Flowers (8-)10-20-fascicled. Pedicels 1-2 cm, slender; bractlets lanceolate, ca. 2 mm, apex acuminate. Sepals in 2 whorls; outer sepals oblong-elliptic, ca. 4 × 2 mm, apex obtuse, rounded; inner sepals obovate, ca. 6.5 × 5 mm, apex rounded. Petals obovate, ca. 7 × 4-5 mm, base clawed, with completely basal glands, apex deeply incised or entire. Stamens ca. 6 mm; anther connective not prolonged, rounded-truncate. Ovules 2 or 3. Berry ellipsoid or subglobose, 6-7 × 4-5 mm, densely white pruinose, style not persistent; seeds 2. Fl. Mar-Apr, fr. Jun-Aug.
● Thickets, forests, forest margins, roadsides; 1800-4000 m. Guizhou, Sichuan, Xizang, Yunnan. (责任编辑:duckuly)
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