长江三峡库区新植物

New Taxa of Lysimachi and Plantago in the Three-Gorge Reservoir Area

摘要: 采于长江三峡库区的2个植物新变种,一个属于报春花科,与显苞过路黄(Lysimachiarubiginosa Hemsl.var.rubiginosa)相比较,其特点为四叶轮生,命名为秭归过路黄(Lysimachiarubiginosa Hemsl.var.ziguiensisZ.E.ZhaoetJ.Q.Wu);另一个属于车前草科,与疏花车前(Plantagoerosa Wall.)的区别为:本变种叶披针形,近似锐裂,基三出脉,花无柄,花柱长4～7mm,无毛,命名为丰都车前(Plantagoerosa Wall.var.fengdouensisZ.E.ZhaoetY.Wang).

Abstract: Two new varieties of plants were found in the Three-Gorge Reservior Area.One was named Lysimachia rubiginosaHemsl.var.ziguiensis Z.E.Zhao et J.Q.Wu,belonged to Primulaceae.It was different when compared with L.rubiginosa Hemsl.var.rubiginosa,it characterized with four-leaved verticillation.The other was named Plantago erosa Wall.var.fengdouensis Z.E.Zhao et Y.Wang,belonged to Plantaginaceae.Compared with P.erosa Wall.,it has lance-shaped and trinervious leaves,and flowers without stems.The styluses of flowers are 4～7 mm long and glabrous.