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凹脉紫金牛Ardisia brunnescens

时间:2018-06-26 12:56来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 凹脉紫金牛 学名( Scientific Name ): Ardisia brunnescens Walker 英文名( English Common Name ): 别名( Chinese Common Name ): 棕紫金牛、石狮子 异名( Synonym ): 科属( Family Genus ): 紫金牛科(Myrsinac
中文名(Chinese Name):凹脉紫金牛
学名(Scientific Name):Ardisia brunnescens Walker
英文名(English Common Name):
别名(Chinese Common Name):棕紫金牛、石狮子
异名(Synonym):
科属(Family & Genus):紫金牛科(Myrsinaceae)紫金牛属
形态特征(Description):灌木,高0.5-1米;小枝灰褐色,略肉质,具皱纹。叶片坚纸质,椭圆状卵形或椭圆形,顶端急尖或广渐尖,基部楔形,长8-14厘米,宽3.5-6厘米,全缘,两面无毛,叶面脉常下凹,背面中、侧脉明显,隆起,侧脉10-15对,常连成断续的边缘脉或一圈波状脉;叶柄长7-1.2毫米。复伞形花序或圆锥状聚伞花序,着生于侧生特殊花枝顶端,花枝长5-9厘米,无毛,近顶端有1-2片多少退化的叶;花梗长约1厘米,微弯;花长约4毫米,花萼基部连合达1/3,萼片广卵形,顶端钝,长约1.5毫米,具腺点和极细的缘毛,有时被疏锈色鳞片;花瓣粉红色,仅基部连合,卵形,顶端急尖,具多或少的腺点,长约4毫米,外面无毛,里面近基部具细乳头状突起;雄蕊较花瓣略短,达花瓣长的2/3,花药卵形,顶端点尖,背部具腺点或无;雌蕊与花瓣等长,子房卵珠形,无毛。果球形,直径6-7毫米,深红色,多少具不明显的腺点。花期未详,果期10至翌年元月。
分布(Distribution):产广西、广东(海南岛不产),见于山谷疏、密林下或灌木丛中,或石灰岩山坡的林下。
用途(Use):根药用,妇女产后燉猪肉吃,可增强体质。
引自中国植物志英文版: FOC Vol. 15 Page 15
Ardisia brunnescens E. Walker, J. Wash. Acad. Sci. 27: 198. 1937.
凹脉紫金牛 ao mai zi jin niu | Myrsinaceae  | Ardisia
Ardisia glauca Pitard (1930) not Mez (1920).
Shrubs 0.5-1(-3) m tall, glabrous. Branchlets somewhat angled, 2.5-3.5 mm in diam., glabrous. Petiole marginate, (5-) 7-12 mm; leaf blade elliptic, 8-14 × 3.5-6 cm, papery, base broadly cuneate, margin entire, apex acute or broadly acuminate; lateral veins 10-15 on each side of midrib, marginal vein undulate, ± interrupted. Inflorescences subterminal, paniculate, on specialized lateral branches 5-9 cm, with 1 or 2 reduced apical leaves, branches umbellate. Flowers papery, pink, ca. 4 mm. Pedicel subclavate, ca. 1 cm, slender. Sepals ovate, ca. 1.5 mm, punctate, sometimes sparsely scaly, base smooth, margin opaque, minutely ciliate, apex broadly acute. Petals ovate, ca. 4 mm, united at base; lobes densely and finely punctate, glabrous abaxially, minutely red glandular papillate near base adaxially, margin entire, opaque, apex acute. Stamens shorter than petals; filaments extremely short; anthers ovate, punctate or darkened dorsally, dehiscent by longitudinal slits, apex apiculate. Pistil as long as petals; ovary ovoid, glabrous; ovules numerous, multiseriate. Fruit dark reddish, globose, 6-7 mm in diam., pellucid punctate. Fl. Apr, fr. Oct-Jan.
Mixed forests, thickets, valleys, hillsides. Guangdong, Guangxi [Vietnam]





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