钩刺雀梅藤Sageretia hamosa

中文名(Chinese Name):钩刺雀梅藤
学名(Scientific Name):Sageretia hamosa (Wall.) Brongn.
英文名(English Common Name):
别名(Chinese Common Name):猴栗
异名(Synonym):Rhamnus costata Miq.  Zizyphus hamosa Wall.
科属(Family & Genus):鼠李科(Rhamnaceae)雀梅藤属
形态特征(Description):常绿藤状灌木;小枝常具钩状下弯的粗刺,灰褐色或暗褐色,无毛或仅基部被短柔毛。叶革质,互生或近对生,矩圆形或长椭圆形,稀卵状椭圆形,长9-15 (20)厘米,宽4-6 (7)厘米,顶端尾状渐尖,渐尖或短渐尖,基部圆形或近圆形,边缘具细锯齿,上面有光泽,无毛,下面仅脉腋具髯毛,或初时被疏柔毛,后脱落,侧脉每边7-10条,上面下陷,下面凸起;叶柄长8-15(17)毫米,无毛。花无梗,无毛,通常2-3个簇生疏散排列成顶生或腋生穗状或穗状圆锥花序;花序轴长可达15厘米,被棕色或灰白色绒毛或密短柔毛;苞片小,卵形,被疏短柔毛;子房2室,每室具1胚珠,花柱短,柱头头状。核果近球形,近无梗,长7-10毫米,直径5-7毫米,成熟时深红色或紫黑色,有2分核,常被白粉;种子2个,扁平,棕色,两端凹入,不对称,长约6毫米。花期7-8月,果期8-10月。
分布(Distribution):产浙江、江西、福建、湖南、湖北、广东、广西、贵州、云南、四川及西藏,生于海拔1600米以下的山坡灌丛或林中。斯里兰卡、印度、尼泊尔、越南、菲律宾也有分布。
引自中国植物志英文版:FOC Vol. 12 Page 134, 135, 138  
Sageretia hamosa (Wallich) Brongniart, Mém. Fam. Rhamnées. 53. 1826.
钩枝雀梅藤 gou zhi que mei teng| Rhamnaceae  | Sageretia
Shrubs evergreen, scandent, armed. Branchlets grayish brown or dark brown, with incurved, hooklike stout spines, glabrous or puberulent at base only, sometimes yellow-brown pubescent. Leaves alternate or subopposite; petiole 8-15(-17) mm, glabrous, sometimes yellow-brown pubescent; leaf blade adaxially shiny, oblong or narrowly elliptic, rarely ovate-elliptic, 9-15(-20) × 4-6(-7) cm, leathery, abaxially barbate at vein axils or sparsely pubescent, glabrescent, adaxially glabrous, lateral veins 7-10 pairs, prominent abaxially, impressed adaxially, base rounded or subrounded, margin serrulate, apex caudate-acuminate, acuminate, or shortly acuminate. Flowers sessile, glabrous, usually 2- or 3-fascicled in lax terminal or axillary spicate panicles; rachis ca. 15 cm, brown or canescent tomentose or densely puberulent; bracts ovate, small, sparsely puberulent. Ovary 2-loculed, with 1 ovule per locule; style short; stigma capitate. Drupe subsessile, deep red or purple-black at maturity, subglobose, 7-10 × 5-7 mm, with 2 pyrenes, often white powdery. Seeds brown, flat, ca. 6 mm, emarginate at both ends, asymmetrical. Fl. Jul-Aug, fr. Aug-Oct.
Forests or thickets on slopes, dense forests along canals; below 1600 m. Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, SE Xizang, S Yunnan, Zhejiang [India, Nepal, Philippines, Sri Lanka, Vietnam].
Because this species is quite similar to Sageretia lucida, previous authors have misidentified it as the latter; however, the latter differs in having smaller leaves, with lateral veins 5 or 6 pairs, adaxially not impressed, and rachis glabrous.
 钩刺雀梅藤Sageretia hamosa

钩刺雀梅藤Sageretia hamosa
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