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云南漆

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]

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

云南中部。

参考来源

  1. 云南漆, 植物智, 2020-01-18