中文名（Chinese Name）：尾叶冬青
学名（Scientific Name）：Ilex wilsonii Loes.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Ilex memecylifolia var. plana Loes.
科属（Family & Genus）：冬青科（Aquifoliaceae）冬青属
形态特征（Description）：常绿灌木或乔木，高2-10米；树皮灰白色，光滑。小枝圆柱形，灰褐色，平滑，无皮孔，叶痕半圆形，稍凸起，当年生幼枝具纵棱沟，无毛；顶芽圆锥形，芽鳞无毛，具缘毛。叶生于1-3年生枝上，叶片厚革质，卵形或倒卵状长圆形，长4-7厘米，宽1.5-3.5厘米，先端骤然尾状渐尖，渐尖头长6-13毫米，常偏向一侧，基部钝，稀圆形，全缘，叶面深绿色，具光泽，背面淡绿色，两面无毛，主脉在叶面平坦，背面稍隆起，侧脉7-8对，于近叶缘处网结，两面微凸起，明显或不明显，网状脉不见；叶柄长5-9毫米，无毛，上面具纵槽，背面具皱纹；托叶三角形，微小，急尖。花序簇生于二年生枝的叶腋内，苞片三角形，常具三尖头；花4基数，白色；雄花序簇由具3-5花的聚伞花序或伞形花序的分枝组成，无毛，总花梗长3-8毫米，第一次分枝长1-2毫米，或极短，花梗长2-4毫米，无毛，具基生小苞片2枚或无；花萼盘状，直径约1.5毫米，4深裂，裂片三角形，具缘毛；花冠辐状，直径4-5毫米，花瓣长圆形，长约2毫米，宽约1.5毫米，基部稍合生；雄蕊略短于花瓣，花药长圆形；退化子房近球形，直径约1毫米，顶端具不明显的分裂。雌花序簇由具单花的分枝组成，花梗长4-7毫米，无毛，具近中部着生的小苞片2枚；花萼及花冠同雄花；退化雄蕊长为花瓣的1/2，败育花药箭头形；子房卵球形，直径约1.5毫米，柱头厚盘形，疏被微柔毛。果球形，直径约4毫米，成熟后红色，平滑，果梗长3-4毫米；宿存花萼平展，直径约2.5毫米，4裂，裂片具缘毛，宿存柱头厚盘状；分核4，卵状三棱形，长约2.5毫米，背部宽约1.5毫米，背面具稍凸起的纵棱3条，无沟，侧面平滑，内果皮革质。花期5-6月，果期8-10月。
分布（Distribution）：产于安徽南部、浙江、江西、福建、台湾、湖北、湖南、广东、广西、四川、贵州和云南等省区；生于海拔420-1900米的山地、沟谷阔叶林、杂木林中。
用途（Use）：
引自中国植物志英文版FOC Vol. 11 Page 371, 430
Ilex wilsonii Loesener, Nova Acta Acad. Caes. Leop.-Carol. German. Nat. Cur. 89: 287. 1908.
尾叶冬青 wei ye dong qing  | Aquifoliaceae  | Ilex
Shrubs or trees, evergreen, 2-10 m tall; bark gray-white, smooth. Branchlets gray-brown, terete, smooth, glabrous; lenticels absent; leaf scars slightly raised, semicircular; current year’s branchlets longitudinally angular and sulcate, glabrous; terminal buds convex, scales glabrous, ciliate. Stipules deltoid, minute, apically acute; petiole 5-9 mm, rugose abaxially, glabrous, longitudinally sulcate adaxially; leaf blade abaxially greenish, adaxially olivaceous-brown, shiny, ovate or obovate-oblong, 3-7(-8) × (1-)1.5-3.5(-4) cm, thickly leathery, both surfaces glabrous, midvein slightly raised abaxially, flat adaxially, lateral veins 7 or 8 pairs, slightly raised, evident or obscure on both surfaces, anastomosing near margin, reticulate veins absent, base obtuse, rarely rounded, margin entire, apex abruptly caudate-acuminate, acumen 6-13 mm, often falcate. Inflorescences: cymes, fasciculate, axillary on second year’s branchlets; bracts deltoid, often tricuspidate; flowers white, 4-merous. Male inflorescences: cymes of order 2 or 3, 3-5-flowered, glabrous; peduncles 3-8 mm; secondary axis 1-2 mm or shorter; pedicels 2-8(-15) mm; bracteoles 2, basal, or absent; calyx patelliform, ca. 1.5 mm in diam., deeply 4-lobed, lobes deltoid, ciliate; corolla rotate, 4-5 mm in diam., petals oblong, ca. 2 × 1.5 mm, basally slightly connate, margin entire or erose, ciliate or not; stamens shorter than petals, anthers oblong; rudimentary ovary subglobose, ca. 1 mm in diam., apex slightly lobed. Female inflorescences: 1-flowered cymes; pedicels (2-)4-7 mm, glabrous; bracteoles 2, submedian; calyx and corolla as in male flowers; staminodes ca. 1/2 as long as petals, sterile anthers sagittate; ovary ovoid, ca. 1.5 mm in diam., stigma thickly deltoid, puberulent. Fruit globose, ca. 4 mm in diam.; persistent calyx explanate, ca. 2.5 mm in diam., 4-lobed, lobes ciliate; persistent stigma thickly discoid; pyrenes 4, ovoid-trigonous, ca. 2.5 mm, ca. 1.5 mm in diam., abaxially slightly longitudinally raised, 3-striate, not sulcate, laterally smooth, endocarp leathery. Fl. May-Jun, fr. Aug-Oct.
● Mountain forests, broad-leaved forests in valleys, thickets, hills; 400-1900 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Taiwan, NE Yunnan, Zhejiang.
（责任编辑：徐晔春）