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米珍果Maesa acuminatissima

时间:2013-10-18 13:51来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):米珍果 学名( Scientific Name ): Maesa acuminatissima Merr. 英文名( English Common Name ): 别名( Chinese Common Name ): 尖叶杜茎山 异名( Synonym ): Maesa striata var. opaca Pitard 科属( Family Genus )
中文名(Chinese Name):米珍果
学名(Scientific Name):Maesa acuminatissima Merr.  
英文名(English Common Name):
别名(Chinese Common Name):尖叶杜茎山
异名(Synonym):Maesa striata var. opaca Pitard
科属(Family & Genus):紫金牛科(Myrsinaceae)杜茎山属
形态特征(Description):灌木,高1-2 (-4) 米;小枝纤细,无毛。叶片膜质或略厚,披针形或广披针形,顶端渐尖或尾状渐尖,常镰状,基部钝或近圆形,长9-17厘米,宽2-5厘米,全缘或具极不明显的疏离浅波状齿,两面无毛,无腺点,侧脉4-6对,弯曲上升,不连成边缘脉,细脉不明显;叶柄长约1厘米。金字塔形圆锥花序,顶生及腋生,长5-8厘米,下部的分枝长达4厘米;苞片钻形,长不到1毫米;花梗长4-5毫米;小苞片披针形,紧贴花萼或略远;花长约2毫米,花萼钟形,长约1毫米,萼片卵形,长约0.5毫米,顶端急尖或钝,无腺点;花冠白色,钟状,长约2毫米,裂片与花冠管等长,卵形,边缘具不整齐的细波状齿,无腺点;雄蕊在雌花中退化,在雄花中未详;雌蕊具短花柱,柱头微裂。果球形或近卵圆形,直径约3毫米,绿白色,无腺点,无毛,宿存萼几全部包果或果顶端微露;果梗长 (3-) 4 (-6) 毫米,显著长于果的直径,与轴几垂直。花期1-2月,果期11-12月。
分布(Distribution):产云南、广西、海南,生于海拔100-620米的山间密林下,溪边或湿润的地方。越南也有。
用途(Use):
引自中国植物志英文版:
FOC Vol. 15 Page 6
Maesa acuminatissima Merrill, Philipp. J. Sci. 23: 257. 1923.
米珍果 mi zhen guo | Myrsinaceae  | Maesa
M. striata Mez var. opaca Pitard.
Shrubs 1-2(-4) m tall. Branchlets terete, slender, glabrous; pith hollow. Petiole canaliculate, 6-10 mm; leaf blade lanceolate or broadly so, 9-17 × 2-5 cm, papery, glabrous, inconspicuously pellucid punctate, glossy adaxially, dull abaxially, base obtuse or subrounded, margin entire to obscurely undulate, apex acuminate or caudate-acuminate; lateral veins 4-6 on each side of midrib, curved ascending. Inflorescences terminal or subterminal, paniculate, pyramidal, 5-8 cm; lower branches glabrous, glossy, up to 4 cm; bracteoles minute, lanceolate, near or at apex of pedicel. Flowers ca. 3 mm. Pedicel slender, 4-5 mm. Calyx lobes ovate, obtuse or acute, ca. 0.5 mm. Corolla lobes ovate, ca. as long as tube, irregularly crenulate at apex. Stamens reduced in pistillate flowers. Pistil included. Stigma scarcely lobed. Fruit globose or subovoid, ca. 3 mm in diam., enclosed by persistent calyx lobes or apex exposed, base ± conical. Fl. Jan-Feb, fr. Nov-Dec.
Evergreen broad-leaved forests, mountain slopes, stream banks, damp places; 100-600 m. Guangxi, Hainan, SE Yunnan [Vietnam]




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