香花藤Aganosma acuminata (Roxb.) G. Don
香花藤Aganosma acuminata (Roxb.) G. Don
1．香花藤（广东海南）图版61
Aganosma acuminata (Roxb.) G. Don, Gen. Hist. 4: 77. 1837; Merr. in Lingnan Sci. Journ. 5: 150. 1927; Tsiang in Sunyatsenia 2: 156. 1934, in Acta Phytotax. Sinica 10: 33. 1965: 中国高等植物图鉴, 3: 448, 图4849. 1974: 海南植物志, 3: 240. 1974. ——Echites acuminata Roxb. Fl. Ind. Carey ed. 2: 15. 1832.——flganosma marginata G. Don, l. c. 77.——Amphineurion acuminatum Pichon in Bull. Soc. Bot. France 95: 215. 1948.
攀援灌木，高达5米，嫩枝具微毛，具乳汁；茎及枝条具皮孔。叶纸质，长圆形至宽披针形或椭圆形，长4.5-12厘米，宽2-4厘米，顶端渐尖至尾状，基部急尖至钝，叶背被短柔毛，脉上较密，叶面仅中脉上被疏短柔毛；中脉凹陷，侧脉扁平，叶背中脉和侧脉显著凸起，侧脉每边12-15条，斜曲上升未达叶缘即弯拱联结；叶柄长约1厘米，被微毛。聚伞花序三歧，腋生；总花梗、花梗、花萼外面被微毛；苞片和小苞片线状披针形，长5-7毫米，宽1毫米；花萼裂片线状披针形，长4-5毫米，宽约1-1.5毫米，花萼内面基部具25-50枚腺体；花冠黄白色，无毛，花冠筒圆筒形，长约0.8-1厘米，内面密被长柔毛，裂片窄披针形，长1.5-2厘米，宽2-3.5毫米；雄蕊着生在花冠筒中部，花药箭头形；花盘杯状，比子房短，顶端凹陷；子房无毛，由2枚离生心皮组成；胚珠多颗。蓇葖2、叉生，下垂，长圆柱形，伸长，顶端渐尖，外果皮具凸起斑点；种子长圆形、扁，长约1厘米，宽1.5-2毫米，顶端有白色绢质种毛：种毛长2.7厘米。花期3-9月，果期7月-翌年2月。
产于广东，以海南岛为多。生长在低丘陵山坡疏林中或林缘或近海边沙地灌木丛中。分布于印度、马来西亚、印度尼西亚和菲律宾。模式标本采自印度。
《Flora of China》 Vol. 16 (1995)
Aganosma marginata (Roxburgh) G. Don
香花藤 xiang hua teng
Echites marginata Roxburgh, Fl. Ind. ed. 1832 2: 15. 1832; Aganosma acuminata (Roxburgh) G. Don; Amphi-neurion acuminatum (Roxburgh) Pichon; E. acuminata Roxburgh.
Lianas to 8 m. Stems and branches lenticellate. Petiole ca. 1 cm; leaf blade oblong, 4.5-12 X 2-4 cm, abaxially pubescent especially along veins, base acute to rounded, apex acuminate or caudate; lateral veins 12-15 pairs, elevated abaxially. Cymes axillary, 3-branched; peduncle puberulent; bracts and bracteoles sublinear. Pedicel puberulent. Calyx with a continuous row of numerous basal glands inside; sepals sublinear, 5-7 mm, puberulent outside. Corolla white or yellowish, tube 8-10 mm, densely villous inside; lobes very narrowly elliptic, 1.5-2 cm X 2-3.5 mm. Stamens inserted below middle of corolla tube; disc ringlike, shorter than ovary. Ovary glabrous. Follicles 2, cylindric, 15-40 X ca. 1 cm. Seeds oblong, flat, ca. 1 cm, coma ca. 2.7 cm. Fl. Mar-Sep, fr. Jun-Dec.
Montane forests, seashore brushwoods. Guangdong, Hainan [Cambodia, India, Indonesia, Laos, Malaysia, Philippines, Thailand, Vietnam].
科名：夹竹桃科 Apocynaceae
属名：香花藤属 Aganosma
1．香花藤（广东海南）图版61
Aganosma acuminata (Roxb.) G. Don, Gen. Hist. 4: 77. 1837; Merr. in Lingnan Sci. Journ. 5: 150. 1927; Tsiang in Sunyatsenia 2: 156. 1934, in Acta Phytotax. Sinica 10: 33. 1965: 中国高等植物图鉴, 3: 448, 图4849. 1974: 海南植物志, 3: 240. 1974. ——Echites acuminata Roxb. Fl. Ind. Carey ed. 2: 15. 1832.——flganosma marginata G. Don, l. c. 77.——Amphineurion acuminatum Pichon in Bull. Soc. Bot. France 95: 215. 1948.
攀援灌木，高达5米，嫩枝具微毛，具乳汁；茎及枝条具皮孔。叶纸质，长圆形至宽披针形或椭圆形，长4.5-12厘米，宽2-4厘米，顶端渐尖至尾状，基部急尖至钝，叶背被短柔毛，脉上较密，叶面仅中脉上被疏短柔毛；中脉凹陷，侧脉扁平，叶背中脉和侧脉显著凸起，侧脉每边12-15条，斜曲上升未达叶缘即弯拱联结；叶柄长约1厘米，被微毛。聚伞花序三歧，腋生；总花梗、花梗、花萼外面被微毛；苞片和小苞片线状披针形，长5-7毫米，宽1毫米；花萼裂片线状披针形，长4-5毫米，宽约1-1.5毫米，花萼内面基部具25-50枚腺体；花冠黄白色，无毛，花冠筒圆筒形，长约0.8-1厘米，内面密被长柔毛，裂片窄披针形，长1.5-2厘米，宽2-3.5毫米；雄蕊着生在花冠筒中部，花药箭头形；花盘杯状，比子房短，顶端凹陷；子房无毛，由2枚离生心皮组成；胚珠多颗。蓇葖2、叉生，下垂，长圆柱形，伸长，顶端渐尖，外果皮具凸起斑点；种子长圆形、扁，长约1厘米，宽1.5-2毫米，顶端有白色绢质种毛：种毛长2.7厘米。花期3-9月，果期7月-翌年2月。
产于广东，以海南岛为多。生长在低丘陵山坡疏林中或林缘或近海边沙地灌木丛中。分布于印度、马来西亚、印度尼西亚和菲律宾。模式标本采自印度。
《Flora of China》 Vol. 16 (1995)
Aganosma marginata (Roxburgh) G. Don
香花藤 xiang hua teng
Echites marginata Roxburgh, Fl. Ind. ed. 1832 2: 15. 1832; Aganosma acuminata (Roxburgh) G. Don; Amphi-neurion acuminatum (Roxburgh) Pichon; E. acuminata Roxburgh.
Lianas to 8 m. Stems and branches lenticellate. Petiole ca. 1 cm; leaf blade oblong, 4.5-12 X 2-4 cm, abaxially pubescent especially along veins, base acute to rounded, apex acuminate or caudate; lateral veins 12-15 pairs, elevated abaxially. Cymes axillary, 3-branched; peduncle puberulent; bracts and bracteoles sublinear. Pedicel puberulent. Calyx with a continuous row of numerous basal glands inside; sepals sublinear, 5-7 mm, puberulent outside. Corolla white or yellowish, tube 8-10 mm, densely villous inside; lobes very narrowly elliptic, 1.5-2 cm X 2-3.5 mm. Stamens inserted below middle of corolla tube; disc ringlike, shorter than ovary. Ovary glabrous. Follicles 2, cylindric, 15-40 X ca. 1 cm. Seeds oblong, flat, ca. 1 cm, coma ca. 2.7 cm. Fl. Mar-Sep, fr. Jun-Dec.
Montane forests, seashore brushwoods. Guangdong, Hainan [Cambodia, India, Indonesia, Laos, Malaysia, Philippines, Thailand, Vietnam].