阳春鼠刺

阳春鼠刺

原图链接 来自植物智

中文学名:阳春鼠刺 拉丁学名:Itea yangchunensis Jin 界:植物界 门:被子植物门 纲:双子叶植物纲 亚 纲:蔷薇亚纲 目:蔷薇目 科:虎耳草科 属:鼠刺属

阳春鼠刺（diān shǔ cì， 学名：Itea yangchunensis Jin）灌木，虎耳草科植物，叶较小，无毛。花常短于叶。果锥状。

目录

阳春鼠刺形态特征

灌木叶厚革质，长圆形或长圆状椭圆形，长5.5～7厘米，宽1.7～2.5厘米，先端圆形或钝，基部宽楔形，边缘除近基部外具密细锯齿；

原图链接 来自植物智

平时多少背卷，上面深绿色，下面淡绿色，两面无毛，有明显的腺体，侧脉5对，弧状弯，第三级脉平行且连接或网状；

原图链接 来自植物智

侧脉和网脉在两面极明显；叶柄粗壮，长6～7毫米，无毛。总状花序腋生，常短于叶，长3～5厘米；花序轴及花轴被短柔毛；花较少数，2～3个簇生，稀单生；萼筒浅杯状；萼片矩圆形，长3毫米。

原图链接 来自植物智

蒴果锥状，长约6毫米，干时黑色，被疏短柔毛或近无毛。果期11月。

分类文献

Itea yangchunensis Jin, in Acta phytotax. Sin. 33 (5): 497. 1995.

Shrubs or small trees. Branchlets terete, glabrous. Petiole stout, 6-7 mm, glabrous; leaf blade abaxially pale green, adaxially dark green, oblong or oblong-elliptic, 5.5-7 × 1.7-2.5 cm, thickly leathery, both surfaces glabrous, conspicuously glandular punctate, secondary veins in ca. 5 pairs, arcuate curved, tertiary veins both parallel and reticulate, secondary and reticulate veins prominent on both surfaces, margin ± revolute when dry, densely serrulate except near base, apex rounded or obtuse. Racemes axillary, often longer than leaves, 3-5 cm; rachis and pedicels sparsely puberulous; bracts early deciduous. Flowers few, usually 2- or 3-clustered, rarely solitary. Calyx shallowly cupular; lobes oblong-lanceolate, ca. 3 mm, glabrous. Capsule turning black when dry, conical, ca. 6 mm, sparsely puberulous or subglabrous. Fr. Nov.

• Streamsides. SW Guangdong (Yangchun Xian).

This species is similar to Itea coriacea, but differs in having leaves smaller, shorter than the racemes, with a short, stout petiole and a glandular blade with prominent secondary and reticulate veins and a rounded or obtuse apex.

阳春鼠刺生长环境

主要生长于溪边。

阳春鼠刺分布范围

特产自广东（阳春）。

阳春鼠刺鉴别特征

本种的叶较小，先端圆形或钝，侧脉及网脉极明显，两面有明显的腺体；叶柄短粗；花序明显短于叶与厚叶鼠刺I. coriacea Y. C. Wu 有明显的区别。