菊科8种鬼针草属(Bidens L.)杂草种子的鉴别

Identification of Eight Weed Seeds of Bidens L. in Compositae

对菊科 (Compositae) 8种鬼针草属 (BidensL .)杂草种子的识别特征进行了描述。这 8种鬼针草为 :三叶鬼针草 (B .pilosa)、鬼针草 (B .bipinnata)、小花鬼针草 (B .parviflora)、金盏银盘 (B .bitemata)、大狼把草 (B .frondosa)、柳叶鬼针草 (B .cemua)、羽叶鬼针草 (B .maxmowicziana)和狼把草 (B .tripartita)。

The identifying characteristics of eight weed seeds of Bidens L. in compositae were described in this paper. These genera are B. pilosa, B. bipinnata, B. parviflora, B. biternata, B. frondosa, B. cernua, B. maximowicziana and B. tripartite.