中文名（Chinese Name）：清明花
学名（Scientific Name）：Beaumontia grandiflora Wall.
英文名（English Common Name）：
别名（Chinese Common Name）：炮弹果
异名（Synonym）：Echites grandiflora Roxb.；Beaumontia longiflora Hook.f.；Beaumontia longifolia Lodd. ex Loudon
科属（Family & Genus）：夹竹桃科（Apocynaceae）清明花属
形态特征（Description）：高大藤本；枝幼时有锈色柔毛，老时无毛、茎有皮孔。叶长圆状倒卵形，长6-15厘米，宽3-8厘米，顶端短渐尖，幼时略被柔毛，老渐无毛，稀叶背被浓毛；侧脉约15对；叶柄长2厘米。聚伞花序顶生，着花3-5朵，有时更多；花梗有锈色柔毛，长2-4厘米；花萼裂片长圆状披针形或倒卵形，或倒披针形，长2.5-4厘米；花冠长约10厘米，外面有微毛，裂片卵圆形；雄蕊着生于花冠筒的喉部，花药箭头状。蓇葖形状多变，内果皮亮黄色；种子长约2厘米；种毛白色绢质，长4厘米。花期春夏季，果期秋冬季。
分布（Distribution）：云南野生，生于山地林中；广西、广东和福建有栽培。印度也有。
用途（Use）：根和叶供药用，可治风湿性腰腿痛、骨折、跌打损伤等。
引自中国植物志英文版FOC Vol. 16 Page 176 
Beaumontia grandiflora Wallich, Tent. Fl. Napal. 15, t. 7. 1824.
清明花 qing ming hua  | Apocynaceae  | Beaumontia
Echites grandiflora Roxburgh.
Lianas to 20 m. Bark corky; young branches rusty pubescent; branchlets dark brown, pubescent to glabrous. Petiole to 3 cm; leaf blade narrowly obovate or narrowly to broadly elliptic, 6-30 X 3.5-15 cm, sparsely to densely pubescent when young, glabrous when older; lateral veins 8-20 pairs. Cymes 12-25 cm, 3-19-flowered, sparsely to densely pubescent; peduncle 2.5-9 cm; bracts leafy, pale green. Pedicel 2.5-4.5 cm. Sepals pale green, 3-6 mm. Corolla white, creamy, or pale yellow, base pale green; tube funnelform, 6.5-13 cm, glabrous inside; limb ca. 10 cm in diam., attenuate at base, sparsely to densely pubescent outside, glabrous inside; lobes suborbicular to broadly ovate, 1.7-4 cm, apex acuminate. Stamens white; filaments 3.2-6 cm; anthers 1.5-1.7 cm, included; disc ringlike, apex sparsely puberulent. Ovary tomentose. Style 7-9 cm. Follicles usually narrowly ellipsoid, 22-31 X 5-6 cm. Seeds 1.5-2.5 cm, coma 4-7 cm. Fl. spring-summer. 2n = 24.
Humid montane forests, valleys, riverbanks; 300-1500 m. SW Guangxi, S Yunnan; cultivated in Fujian, Guangdong [Bangladesh, Bhutan, India, Laos, Myanmar, Nepal, Thailand, Vietnam]
Cultivated as an ornamental. The young branches are used for making coarse ropes. The roots and leaves are used in the treat-ment of fractures, injury, and backache and leg pain caused by rheumatism.
（责任编辑：徐晔春）