软枝黄蝉Allamanda cathartica

软枝黄蝉Allamanda cathartica

软枝黄蝉Allamanda cathartica

软枝黄蝉Allamanda cathartica

中文名(Chinese Name):软枝黄蝉
学名(Scientific Name):Allamanda cathartica L.
英文名(English Common Name):golden trumpet
别名(Chinese Common Name):
异名(Synonym):Allemanda cathartica Linn.  Allamanda cathartica var. hendersonii (Bull. ex Dombrain) L. H. Bailey et Raffill  Allamanda hendersonii Bull. ex Dombrain  Allamanda cathartica var. grandiflora (Aubl.) Bailey & C.P. Raffill  Allamanda aubletii Pohl  Allamanda cathartica f. salicifolia (Willd. ex Roem. & Schult.) Voss  Allamanda cathartica var. schottii (Pohl) L.H.Bailey & Raffill  Allamanda cathartica var. williamsii (auct.) L.H.Bailey  Allamanda grandiflora (Aubl.) Lam.  Allamanda latifolia C.Presl  Allamanda linnaei Pohl  Allamanda salicifolia hort.  Allamanda wardleyana Lebas  Allamanda williamsii auct.  Echites verticillatus Sessé & Moc.  Orelia grandiflora Aubl.
科属(Family & Genus):夹竹桃科(Apocynaceae)黄蝉属
形态特征(Description):藤状灌木,长达4米;枝条软弯垂,具白色乳汁。叶纸质,通常3-4枚轮生,有时对生或在枝的上部互生,全缘,倒卵形或倒卵状披针形,端部短尖,基部楔形,无毛或仅在叶背脉上有疏微毛,长6-12厘米,宽2-4厘米;叶脉两面扁平,侧脉每边6-12条;叶柄扁平,长约2-8毫米,基部和腋间均具腺体。聚伞花序顶生;花具短花梗;花萼裂片披针形,长1-1.5厘米;花冠橙黄色,大形,长7-11厘米,直径9-11厘米,内面具红褐色的脉纹,花冠下部长圆筒状,长3-4厘米,直径2-4毫米,基部不膨大,花冠筒喉部具白色斑点,向上扩大成冠檐,直径5-7厘米,花冠裂片卵圆形或长圆状卵形,广展,长和宽约2厘米,顶端圆形;雌雄蕊和花盘特征与黄蝉相同。蒴果球形,直径约3厘米,具长达1厘米的刺;种子长约2厘米,扁平,边缘膜质或具翅。花期春夏两季,果期冬季。
分布(Distribution):产巴西,现广泛栽培于热带地区。
用途(Use):植株乳汁、树皮和种子有毒,人畜误食会引起腹痛、腹泻。
引自中国植物志英文版FOC Vol. 16 Page 166 
Allamanda cathartica Linnaeus, Mant. Pl. 2: 214. 1771.
软枝黄蝉 ruan zhi huang chan  | Apocynaceae  | Allamanda
Allamanda hendersonii Bulliard ex Dombrain; A. cathartica var. hendersonii (Bulliard ex Dombrain) L. H. Bailey & Raffill.
Shrubs trailing, to 4 m, with white latex. Stems glabrous. Leaves opposite or in whorls of 3-5; petiole ca. 5 mm; leaf blade obovate, narrowly obovate, or oblong, 6-15 X 4-5 cm, glabrous or villous along veins on abaxial surface, lateral veins flattened. Peduncle short. Flowers 7-14 cm. Corolla yellow; tube 4-8 cm, funnelform, cylindric in proximal half, campanulate in distal half, limb 9-14 cm in diam.; lobes obovate-truncate to orbicular. Capsules subglobose, 3-7 X 3-5 cm, with spines to 1 cm. Seeds compressed, winged or with a membranous margin. Fl. spring-summer. 2n = 18.
Fujian, Guangdong, Guangxi, Hainan, Taiwan [native to South America]
Cultivated for medicine.
(责任编辑:徐晔春)

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