浙江樱属新种——沼生矮樱

摘要

A new species of Cerasus Mill., C. jingningensis Z. H. Chen, G. Y. Li et Y. K. Xu, is reported in this paper. This new species is similar to C. serrula (French.) T. T. Yu et C. L. Li. The difference is that C. jingningensis is hygrophyte shrub. Young branchlets glabrous. Leaf blade ovate, ovate-elliptic or obovateelliptic, 1.5-3.0 cm in width, teeth with no apical gland, midrib, lateral and net veins impressed, leaf wrinkled, lateral veins 6-8 on either side of midrib. Petiole glabrous. Bracts leaf-like, green, persistent in fruit, margin serrate, teeth with no apical gland, sometimes with small gland on stalk. Pedicel and hypanthium glabrous. Petals pink, suborbicular, apex retuse, 1-2 small tips in the middle. Stamens 20. Style significantly longer after flowering. Drupe ca.8×(6-7)mm. Endocarp unobviously sculptured.%在浙江景宁及龙游发现了樱属(Cerasus Mill.)新种——沼生矮樱(C.jingningensisZ.H.Chen,G.Y.Li et Y.K.Xu).该新种与细齿樱桃(C serrula (Franch.)T.T.Yu&C.L.Li)相近,区别在于本新种为湿生灌木；嫩枝无毛；叶片卵形、卵状椭圆形或倒卵状椭圆形,宽1.5 ～ 3.0 cm,齿端无腺体,中脉、侧脉连同网脉下陷,叶面皱缩,侧脉6～8对,叶柄无毛；苞片叶状,绿色,果时宿存,边有锯齿,齿端无腺体,有时基部柄上具细小腺体；花梗、萼筒无毛；花瓣粉红色,近圆形,先端微凹,中间具1～2小尖头；雄蕊约20枚；花柱于花后显著伸长.核果纵径约8mm,横径6～7mm；核表面棱纹不显著.