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紫丹Tournefortia montana

时间:2013-07-18 07:44来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):紫丹 学名( Scientific Name ): Tournefortia montana Lour. 英文名( English Common Name ): 别名( Chinese Common Name ): 长管滨紫 异名( Synonym ): Tournefortia boniana Gagnep.;Tournefortia brachyantha Mer




中文名(Chinese Name):紫丹
学名(Scientific Name):Tournefortia montana Lour.
英文名(English Common Name):
别名(Chinese Common Name):长管滨紫
异名(Synonym):Tournefortia boniana Gagnep.;Tournefortia brachyantha Merr. et Chun;Tournefortia sampsonii Hance;Tournefortia gaudichaudii Gagnep.
科属(Family & Genus):紫草科(Boraginaceae)紫丹属
形态特征(Description):攀援灌木,高1-2米;小枝具毛。叶披针形或卵状披针形,干后变黑,长8-14厘米,宽1.5-4厘米,先端渐尖或尾尖,基部楔形或圆钝,上下面均被稀疏糙伏毛;叶柄长5-10毫米。镰状聚伞花序生具叶枝条顶端,分枝稀疏,被糙伏毛,长2-15厘米,宽4-10厘米;花无梗,着生花序分枝的一侧;花萼长约2毫米,裂至中部或中部稍下,被糙伏毛,具披针形或三角状披针形裂片;花冠未见。核果近圆球形,直径约5毫米,成熟时内果皮分裂为2个各含2粒种子的分核,但通常有1粒种子不育。
分布(Distribution):产广东及其沿海岛屿及云南,散生于密林中。越南也有。
用途(Use):
引自中国植物志英文版FOC Vol. 16 Page 341
Tournefortia montana Loureiro, Fl. Cochinch. 1: 122. 1790.
紫丹 zi dan| Boraginaceae  | Tournefortia
Tournefortia boniana Gagnepain; T. brachyantha Merrill & Chun; T. gaudichaudii Gagnepain; T. sampsonii Hance.
Shrubs climbing, 1-2 m tall; branchlets pubescent. Petiole 5-10 mm; leaf blade lanceolate to ovate-lanceolate, 8-14 × 1.5-4 cm, sparsely strigose, base cuneate to rounded, apex acuminate to caudate-acute. Inflorescences terminating leafy branches, with sparse branches, 2-15 × 4-10 cm, strigose. Flowers unilateral, sessile. Calyx parted to middle or slightly below, ca. 2 mm, strigose; lobes lanceolate to triangular-lanceolate. Corolla unknown. Stigma sessile at apex of globose ovary. Fruit subglobose, ca. 5 mm in diam.; endocarp divided at maturity into 2 2-seeded mericarps, usually 1 seed sterile.
Forests. Guangdong and coastal islands, Yunnan [Vietnam].
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