许树Clerodendrum inerme

中文名(Chinese Name):许树
学名(Scientific Name):Clerodendrum inerme (L.) Gaertn.
英文名(English Common Name):embrert
别名(Chinese Common Name):苦郎树
异名(Synonym):Volkameria inermis L.  Volkameria neriifolia Roxb.  Catesbaea javanica Osbeck  Clerodendrum buxifolium (Willd.) Spreng.  Clerodendrum capsulare Blanco  Clerodendrum emarginatum Briq.  Clerodendrum commersonii (Poir.) Spreng.  Clerodendrum coromandelianum Spreng.  Clerodendrum inerme f. parvifolium Moldenke  Clerodendrum inerme var. macrocarpum (Wall. ex C.B.Clarke) Moldenke  Clerodendrum inerme var. neriifolium Kurz  Clerodendrum inerme var. oceanicum A.Gray  Clerodendrum neriifolium var. macrocarpum Wall. ex C.B.Clarke  Ovieda inermis (L.) Burm.f.  Volkameria buxifolia Willd.  Volkameria commersonii Poir.
科属(Family & Genus):马鞭草科(Verbenaceae)大青属
形态特征(Description):攀援状灌木,直立或平卧,高可达2米;根、茎、叶有苦味;幼枝四棱形,黄灰色,被短柔毛;小枝髓坚实。叶对生,薄革质,卵形、椭圆形或椭圆状披针形、卵状披针形,长3-7厘米,宽1.5-4.5厘米,顶端钝尖,基部楔形或宽楔形,全缘,常略反卷,表面深绿色,背面淡绿色,无毛或背面沿脉疏生短柔毛,两面都散生黄色细小腺点,干后褪色或脱落而形成小浅窝,侧脉4-7对,近叶缘处向上弯曲而相互汇合;叶柄长约1厘米;聚伞花序通常由3朵花组成,少为2次分歧,着生于叶腋或枝顶叶腋;花很香,花序梗长2-4厘米;苞片线形,长约2毫米,对生或近于对生;花萼钟状,外被细毛,顶端微5裂或在果时几平截,萼管长约7毫米;花冠白色,顶端5裂,裂片长椭圆形,长约7毫米,花冠管长2-3厘米,外面几无毛,有不明显的腺点,内面密生绢状柔毛;雄蕊4,偶见6,花丝紫红色,细长,与花柱同伸出花冠,花柱较花丝长或近等长,柱头2裂。核果倒卵形,直径7-10毫米,略有纵沟,多汁液,内有4分核,外果皮黄灰色,花萼宿存。花果期3-12月。
分布(Distribution):产福建、台湾、广东、广西,常生长于海岸沙滩和潮汐能至的地方。印度、东南亚至大洋洲北部也有分布。
用途(Use):可为我国南部沿海防沙造林树种。木材可作火柴杆。根入药,有清热解毒、散瘀除湿、舒筋活络的功效。枝叶有毒(《南方有毒植物》)。
引自中国植物志英文版:FOC Vol. 17 Page 42
Clerodendrum inerme (Linnaeus) Gaertner, Fruct. Sem. Pl. 1: 271. 1788.
苦郎树 ku lang shu| Verbenaceae  | Clerodendrum
Volkameria inermis Linnaeus, Sp. Pl. 2: 637. 1753; Clerodendrum neriifolium (Roxburgh) Schauer; V. neriifolia Roxburgh.
Shrubs. Branches and branchlets pubescent. Petiole ca. 1 cm to leaf subsessile; leaf blade elliptic-lanceolate, ovate-lanceolate, or elliptic, thick papery, abaxially pubescent, adaxially subglabrous and glandular, base obtuse, margin entire, apex obtuse. Inflorescences usually 3-flowered, pubescent; peduncle 2-4 mm; bracts linear, ca. 2 cm. Calyx subtruncate, with minute rudimentary teeth, outside pubescent, inside glabrous, sparsely glandular. Corolla white; tube 2-3 cm, ca. 2 mm in diam. at throat; lobes elliptic, ca. 7 mm. Stamens exserted, pubescent at base of filaments. Style and ovary glabrous. Drupes gray-yellow, obovoid to subglobose, 6-11 mm in diam. Fl. and fr. Mar-Dec.
Sea coast; 100-200 m. Fujian, Guangdong, Guangxi, Taiwan [S and SE Asia, Australia, Pacific Islands]
Medicinal.
 许树Clerodendrum inerme

许树Clerodendrum inerme
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