用“biennial plant”造句大全，biennial plant造句
biennial plant; valuable honey plant.
Do you know the biennial plants?
Taproot a persistent primary root that grows vertically downward. Swollen taproots used for food storage are common in many biennial plants, such as carrot (Daucus carota).
A hairy annual or biennial plant(Abelmoschus moschatus)native to tropical Asia and having yellow flowers with crimson is cultivated for its seed.
Any of several weedy, chiefly biennial plants of the genus Arctium in the composite family, having pink or purplish flower heads surrounded by prickly bracts and forming a bur in fruit.
South African annual or biennial plants having flowers that open only in bright sunlight.
Erect annual or biennial plant grown extensively especially for hay and soil improvement.
a biennial life cycle; parsnips and carrots are biennial plants often grown as annuals.
