海南菜豆树Radermachera hainanensis

海南菜豆树Radermachera hainanensis

海南菜豆树Radermachera hainanensis

海南菜豆树Radermachera hainanensis

中文名(Chinese Name):海南菜豆树
学名(Scientific Name):Radermachera hainanensis Merr.
英文名(English Common Name):
别名(Chinese Common Name):绿宝树、大叶牛尾树
异名(Synonym):Radermachera grandiflora Dop;Radermachera pierrei Dop;Radermachera poilanei Dop
科属(Family & Genus):紫葳科(Bignoniaceae)菜豆树属
形态特征(Description):乔木,高6-13(-20)米,除花冠筒内面被柔毛外,全株无毛;小枝和老枝灰色,无毛,有皱纹。叶为1至2回羽状复叶,有时仅有小叶5片;小叶纸质,长圆状卵形或卵形,长4-10厘米,宽2.5-4.5厘米,顶端渐尖,基部阔楔形,两面无毛,有时上面有极多数细小的斑点,侧脉每边5-6条,纤细,支脉稀疏,呈网状。花序腋生或侧生,少花,为总状花序或少分枝的圆锥花序,比叶短。花萼淡红色,筒状,不整齐,长约1.8厘米,3-5浅裂。花冠淡黄色,钟状,长3.5-5厘米,直径约15毫米,最细部分直径达5毫米,内面被柔毛,裂片阔肾状三角形,宽10毫米。蒴果长达40厘米,粗约5毫米;隔膜扁圆形。种子卵圆形,连翅长12毫米,薄膜质。花期4月。
分布(Distribution):产广东、海南及云南,生于海拔300-550米的低山坡林中。
用途(Use):本种树干木材纹理通直,结构细致而均匀,加工容易,暗红棕色,材质硬而稍重,耐腐,干燥后稍开裂,但不变形,纵切面平滑而有明亮的光泽,色调鲜明,生长轮略现花纹,颇美观,适作农具、车辆、建筑材料,尤为优良的家具和美工材,当地多作楼板、家具;可作低海拔地区绿化树种;根、叶、花果均可入药。
引自中国植物志英文版FOC Vol. 18 Page 219      
Radermachera hainanensis Merrill, Philipp. J. Sci. 21: 353. 1922.
海南菜豆树 hai nan cai dou shu| Bignoniaceae  | Radermachera
Trees 6-13(-20) m tall, glabrescent. Leaves 2- or 3-pinnately compound; leaflets oblong-ovate or ovate, 4-10 X 2.5-4.5 cm, papery, glabrous, base broadly cuneate, apex acuminate; lateral veins 5 or 6 on each side of midrib. Inflorescences racemose, 1-4 cm, terminal, few flowered. Calyx pale red, tubular, irregular, ca. 1.8 cm, 3-5-lobed. Corolla golden yellow, campanulate, 3.5-5 X ca. 1.5 cm, pubescent adaxially; tube ca. 5 mm in diam. at base; lobes reniform-triangular, ca. 1 cm in diam. Capsule ca. 40 cm X 5 mm; septum compressed rounded. Seeds ovoid, including wing ca. 1.2 cm, membranous. Fl. Apr.
Slopes, forests; 300-600 m. Guangdong, Hainan, Yunnan [Cambodia, Laos, Thailand].
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