雲南漆
| 雲南漆 |
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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
產雲南中部。