红车轴草（Trifolium pratense）

Trifolium pratense (Red Clover) is a species of clover, native to Europe, western Asia and northwest Africa, but planted and naturalised in many other regions.It is an herbaceous, short lived perennial plant, variable in size, growing to 20–80 cm tall.三叶草（三叶草）是三叶草的一种，原产于欧洲，西亚和西北非洲，但已在许多其他地区种植和归化。它是一种草本的，短寿命的多年生植物，大小不等，生长到15–30厘米高。 The leaves are alternate, trifoliate (with three leaflets), each leaflet 8–15 mm long and 1–4 mm broad, green with a characteristic pale crescent in the outer half of the leaf;叶子是互叶的，三叶形的（有三片小叶），每片小叶长12–15 mm，宽XNUMX–XNUMX mm，绿色，叶的外半部具有特征性的月牙形； the petiole is XNUMX–XNUMX cm long, with two basal stipules.叶柄长XNUMX-XNUMX厘米，有两个基托。 The flowers are dark pink with a paler base, XNUMX–XNUMX mm long, produced in a dense inflorescence.花是深粉红色的，基部较浅，长XNUMX-XNUMX毫米，在密集的花序中产生。