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雲南漆

中文名:雲南漆

學 名:Toxicodendron yunnanense

C. Y. Wu

界:植物界

門:被子植物門

綱:雙子葉植物綱

亞 綱:原始花被亞綱

目:無患子目

亞 目:漆樹亞目

科:漆樹科

族:漆樹族

屬:漆屬

分布區域:雲南中部

雲南漆,小灌木,高1-1.5米;幼枝紅褐色,被黃色柔毛;頂芽密被黃色絨毛。 近於小漆樹T. delavayi (Franch.) F. A. Barkl. , 但各部被黃色柔毛,小葉邊緣具波狀圓齒,被緣毛,先端長漸尖或尾狀漸尖,小葉片自下而上逐漸增大而不同。產雲南中部,生於海拔1650-2200米的溝谷林中。 [1]

目錄

雲南漆形態特徵

小灌木,高1-1.5米;幼枝紅褐色,被黃色柔毛;頂芽密被黃色絨毛。奇數羽狀複葉互生,長8-23厘米,有小葉3-4對,葉軸上部具條紋或極狹的翅,葉軸和葉柄被黃色柔毛;葉柄長3-8.5厘米;小葉對生,紙質,卵狀披針形或橢圓狀披針形,自下而上逐漸增大,長3.5-8.5厘米,寬1.2-3.8厘米,頂生小葉長達10.5厘米,先端長漸尖或尾狀漸尖,基部偏斜,闊楔形至圓形,邊緣有波狀圓齒,具緣毛,兩面被黃色柔毛,脈上較密,側脈兩面突起;小葉柄極短或近無柄。

小聚傘花序組成的總狀花序長3-9.5厘米,比葉短,被黃色柔毛,總梗纖細而長;苞片披針形,被柔毛;花白色;花梗長約2毫米,被黃色柔毛;花萼無毛,裂片卵形,長約0.7毫米,先端鈍;花瓣長圓形,長約2毫米,先端鈍,無毛,具褐色羽狀脈;雄蕊比花瓣短,花絲長約0.5毫米,花葯長圓形,長約1.2毫米,花盤5淺裂,無毛;子房球形,徑約0.5毫米。

幼果斜卵形,壓扁,先端偏於一側,長4-5毫米,寬5-6毫米,外果皮無毛,具光澤。

Toxicodendron yunnanense C. Y. Wu雲南植物志2: 401. 圖版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 雲南漆(原變種) + Leaflets (7-)11-21, leaflet blade narrowly lanceolate, margin entire; inflorescence to 21 cm.

雲南漆生長環境

生於海拔1650-2200米的溝谷林中。

雲南漆分布範圍

雲南中部。

參考來源

  1. 雲南漆, 植物智, 2020-01-18