海南链珠藤Alyxia hainanensis Merr. et Chun
海南链珠藤Alyxia hainanensis Merr. et Chun
15. 海南链珠藤(海南植物志)白骨藤(海南)图版23(6-9)
Alyxia hainanensis Merr. et Chun in Sunyatsenia 2: 309, fig. 41. 1935; Tsiang op. cit. 3: 136. 1936;中国高等植物图鉴, 3:428, 图4809. 1974;海南植物志, 3: 226, 图675. 1974.
攀援灌木,除花序外其余均无毛;小枝压扁或方形后成圆形,具稀少皮孔,直径2-4毫米;节间长3-6厘米(在果枝上可达16厘米)。叶对生或3叶轮生,坚纸质,椭圆形至长圆形,顶端渐尖,稀钝头,基部急尖或近圆形,边缘微向外卷,长4-12厘米,宽2.5-4.5厘米;中脉在叶面微凹,在叶背凸起,侧脉多数,在叶面可见,在叶背不明显;叶柄长3-8毫米。花序腋生或近顶生的花束,或集成短圆锥式的聚伞花序,长1-2厘米;总花梗、花梗、小苞片被灰色短柔毛;花萼裂片长圆状披针形,被短柔毛,具缘毛,长1.8毫米;花冠黄绿色,两面无毛,花冠筒圆筒状,在上端膨大,在花喉处收缩,长3.8毫米,裂片卵圆形,钝头,长1.8毫米,宽1.4毫米;雄蕊着生于花冠筒上部膨大的地方;子房具2个分离的心皮,被疏长柔毛,长1.6毫米,花柱丝状,柱头无毛,顶端2裂。核果近球形,通常长圆状椭圆形,有时弯曲,通常具1-3个关节,长9-22毫米,直径5-7毫米。花期8-10月,果期12月-翌年4月。
产于广东、广西、四川等省区。生于海拔250-950米山地疏林下或山谷、路旁较荫湿的地方。模式标本采自广东崖县。
《Flora of China》 Vol. 16 (1995)
Alyxia odorata Wallich ex G. Don
海南链珠藤 hai nan lian zhu teng
Alyxia euonymifolia Tsiang; A. hainanensis Merrill & Chun; A. jasminea Tsiang & P. T. Li; A. lehtungensis Tsiang; A. nitens Kerr; A. vulgaris Tsiang.
Lianas woody, to 4 m. Branches slightly angled when young, later terete, puberulent or glabrous. Leaves opposite or in whorls of 3; petiole 3-10 mm; leaf blade elliptic, oblong, narrowly elliptic, or obovate, 2-12 X 1-4.5 cm, papery, glabrous, apex acute or short acuminate; lateral veins numerous, usually inconspicuous. Cymes fascicled, terminal and axillary, 1-2 cm, pubescent. Pedicel and calyx pubescent. Sepals ovate to narrowly elliptic, 1.7-8 mm, obtuse or acute, long pubescent, ciliate. Corolla yellowish green, glabrous or sometimes puberulent inside, tube 3-15 mm; lobes ovate, 1.5-4 mm. Stamens inserted at or above middle of corolla tube. Ovary pubescent. Fruit with 1-3 ellipsoid-globose articles 1-2.2 cm X 5-8 mm. Fl. Mar-Oct, fr. Jun-Dec.
Sparse woods, brushwoods; 200-2000 m. Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan [Myanmar, Thailand].
别名:海南念珠藤;乐东链珠藤;串珠子;卫矛叶链珠藤;茱莉链珠藤;
科名:夹竹桃科 Apocynaceae
属名:链珠藤属 Alyxia
15. 海南链珠藤(海南植物志)白骨藤(海南)图版23(6-9)
Alyxia hainanensis Merr. et Chun in Sunyatsenia 2: 309, fig. 41. 1935; Tsiang op. cit. 3: 136. 1936;中国高等植物图鉴, 3:428, 图4809. 1974;海南植物志, 3: 226, 图675. 1974.
攀援灌木,除花序外其余均无毛;小枝压扁或方形后成圆形,具稀少皮孔,直径2-4毫米;节间长3-6厘米(在果枝上可达16厘米)。叶对生或3叶轮生,坚纸质,椭圆形至长圆形,顶端渐尖,稀钝头,基部急尖或近圆形,边缘微向外卷,长4-12厘米,宽2.5-4.5厘米;中脉在叶面微凹,在叶背凸起,侧脉多数,在叶面可见,在叶背不明显;叶柄长3-8毫米。花序腋生或近顶生的花束,或集成短圆锥式的聚伞花序,长1-2厘米;总花梗、花梗、小苞片被灰色短柔毛;花萼裂片长圆状披针形,被短柔毛,具缘毛,长1.8毫米;花冠黄绿色,两面无毛,花冠筒圆筒状,在上端膨大,在花喉处收缩,长3.8毫米,裂片卵圆形,钝头,长1.8毫米,宽1.4毫米;雄蕊着生于花冠筒上部膨大的地方;子房具2个分离的心皮,被疏长柔毛,长1.6毫米,花柱丝状,柱头无毛,顶端2裂。核果近球形,通常长圆状椭圆形,有时弯曲,通常具1-3个关节,长9-22毫米,直径5-7毫米。花期8-10月,果期12月-翌年4月。
产于广东、广西、四川等省区。生于海拔250-950米山地疏林下或山谷、路旁较荫湿的地方。模式标本采自广东崖县。
《Flora of China》 Vol. 16 (1995)
Alyxia odorata Wallich ex G. Don
海南链珠藤 hai nan lian zhu teng
Alyxia euonymifolia Tsiang; A. hainanensis Merrill & Chun; A. jasminea Tsiang & P. T. Li; A. lehtungensis Tsiang; A. nitens Kerr; A. vulgaris Tsiang.
Lianas woody, to 4 m. Branches slightly angled when young, later terete, puberulent or glabrous. Leaves opposite or in whorls of 3; petiole 3-10 mm; leaf blade elliptic, oblong, narrowly elliptic, or obovate, 2-12 X 1-4.5 cm, papery, glabrous, apex acute or short acuminate; lateral veins numerous, usually inconspicuous. Cymes fascicled, terminal and axillary, 1-2 cm, pubescent. Pedicel and calyx pubescent. Sepals ovate to narrowly elliptic, 1.7-8 mm, obtuse or acute, long pubescent, ciliate. Corolla yellowish green, glabrous or sometimes puberulent inside, tube 3-15 mm; lobes ovate, 1.5-4 mm. Stamens inserted at or above middle of corolla tube. Ovary pubescent. Fruit with 1-3 ellipsoid-globose articles 1-2.2 cm X 5-8 mm. Fl. Mar-Oct, fr. Jun-Dec.
Sparse woods, brushwoods; 200-2000 m. Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan [Myanmar, Thailand].
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