| 释义 |
blue·stem
\ˈ ̷ ̷ˌ ̷ ̷\ noun
1.
a. : a tall grass (Andropogon furcatus) with smooth bluish leaf sheaths and slender spikes borne in pairs or clusters used in the western United States for hay
b. or blue-stem wheatgrass : western wheatgrass 1
2.
a. : a disease of raspberries and blackberries in the Pacific coast region of northwestern No. America caused by a fungus (Verticillium alboatrum) and characterized by bluish black discoloration of the stem, stunting, reduction of vigor, and curling of the leaflets
b. : a similar disease of raspberries in the eastern United States believed to be caused by a virus — called also eastern bluestem |