云南漆
| 云南漆 |
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中文名:云南漆 学 名:Toxicodendron yunnanense C. Y. Wu 界:植物界 门:被子植物门 纲:双子叶植物纲 亚 纲:原始花被亚纲 目:无患子目 亚 目:漆树亚目 科:漆树科 族:漆树族 属:漆属 分布区域:云南中部 |
云南漆，小灌木，高1-1.5米；幼枝红褐色，被黄色柔毛；顶芽密被黄色绒毛。 近于小漆树T. delavayi (Franch.) F. A. Barkl. , 但各部被黄色柔毛，小叶边缘具波状圆齿，被缘毛，先端长渐尖或尾状渐尖，小叶片自下而上逐渐增大而不同。产云南中部，生于海拔1650-2200米的沟谷林中。 [1]
目录
云南漆形态特征
小灌木，高1-1.5米；幼枝红褐色，被黄色柔毛；顶芽密被黄色绒毛。奇数羽状复叶互生，长8-23厘米，有小叶3-4对，叶轴上部具条纹或极狭的翅，叶轴和叶柄被黄色柔毛；叶柄长3-8.5厘米；小叶对生，纸质，卵状披针形或椭圆状披针形，自下而上逐渐增大，长3.5-8.5厘米，宽1.2-3.8厘米，顶生小叶长达10.5厘米，先端长渐尖或尾状渐尖，基部偏斜，阔楔形至圆形，边缘有波状圆齿，具缘毛，两面被黄色柔毛，脉上较密，侧脉两面突起；小叶柄极短或近无柄。
小聚伞花序组成的总状花序长3-9.5厘米，比叶短，被黄色柔毛，总梗纤细而长；苞片披针形，被柔毛；花白色；花梗长约2毫米，被黄色柔毛；花萼无毛，裂片卵形，长约0.7毫米，先端钝；花瓣长圆形，长约2毫米，先端钝，无毛，具褐色羽状脉；雄蕊比花瓣短，花丝长约0.5毫米，花药长圆形，长约1.2毫米，花盘5浅裂，无毛；子房球形，径约0.5毫米。
幼果斜卵形，压扁，先端偏于一侧，长4-5毫米，宽5-6毫米，外果皮无毛，具光泽。
Toxicodendron yunnanense C. Y. Wu云南植物志2: 401. 图版121, 1-4. 1979, p. p. quoad specim. S. C. Huang 168 et H. T. Tsai 53503.
Shrubs, ca. 1.5 m tall; young branchlets reddish brown and yellow pubescent, buds densely yellow hairy. Petiole 3-8.5 cm, petiole and rachis yellow pubescent, rachis very narrowly winged distally; leaf blade imparipinnately compound, 8-23 cm; leaflets 7-11(-21), opposite; leaflet petiolule very short to subsessile; leaflet blade ovate-lanceolate, elliptic-lanceolate, or narrowly lanceolate, gradually increasing in size toward apex, 3.5-8.5 × 1.2-3.8 cm, terminal leaflet up to 10.5 cm, papery, both surfaces yellow pubescent to densely hairy along midrib, base oblique, broadly cuneate to rounded, margin undulate-crenate, ciliate, apex long acuminate or caudate-acuminate, lateral veins prominent on both surfaces. Inflorescence racemose, 3-9.5 cm, yellow pubescent; peduncle slender; floral subtending bracts lanceolate, pubescent. Pedicel ca. 2 mm, yellow pubescent; flowers white. Calyx glabrous, lobes ovate, ca. 0.7 mm, obtuse apically. Petals oblong, ca. 2 mm, obtuse apically, glabrous, with brown featherlike venation pattern. Stamens shorter than petals; filaments ca. 0.5 mm; anthers oblong, ca. 1.2 mm. Disk 5-lobed. Ovary globose, ca. 0.5 mm wide. Young drupe obliquely ovate, compressed, 4-5 × 5-6 mm, glabrous, lucid.
● Hill and mountain forests and thickets; 400-2200 m. SW Sichuan, Yunnan.
1 Leaflets 7-9, leaflet blade ovate-lanceolate to elliptic-lanceolate, margin undulate-crenate; inflorescence 3-9.5 cm. 10a var. yunnanense 云南漆(原变种) + Leaflets (7-)11-21, leaflet blade narrowly lanceolate, margin entire; inflorescence to 21 cm.
云南漆生长环境
生于海拔1650-2200米的沟谷林中。
云南漆分布范围
产云南中部。