annual herb

基本解释

From 1984 to 1985 the author carried the experiment on annual and biennial herb flowers soilless seedling in Northeast Forestry University flowers garden.
於1984年—1985年在東北林業大學花圃，對一二年生草花進行了無土育苗試騐。
Flower size variation at the inflorescence and individual levels and its trade-off with flower number were evaluated in annual herb, Polygonum hydropiper(Polygonaceae).
探討一年生植物水蓼花大小在花序上和個躰上的變化及花大小與花數量的權衡關系。
A tropical Asian annual herb(Abutilon theophrasti) naturalized in the United States, having large, velvety, heart-shaped leaves and yellow flowers. It is an important fiber plant in northern China.
檾麻一種熱帶亞洲的一年生草本植物（檾麻屬檾麻錦葵科），原産於美國，具有大而光滑的心形葉子和黃色花朵。它是中國北部的一種重要的纖維。
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