| 单词 | polar plant |
| 释义 | > as lemmaspolar plant polar plant n. the compass plant, Silphium laciniatum (family Asteraceae ( Compositae)), a tall, deep-rooted North American plant bearing large flowers similar to sunflowers and leaves that face north and south. ΘΚΠ the world > plants > particular plants > plants and herbs > according to family > Compositae (composite plants) > [noun] > compass-plant or silphium silphium1771 turpentine weed1819 rosinweed1831 resinweed1838 polar plant1842 compass-flower1847 compass-plant1848 cup-plant1848 pilot weed1848 turpentine shrub- 1842 Farmer's Cabinet 15 Nov. 111/2 At mid-day, the plane of the Polar plant passes through the sun, and thus it shuns the light. 1963 Lima (Ohio) News 26 Apr. 15/2 The tall, erect leaves of the Silphium laciniatum (compass plant, pilot weed, polar plant, rosin weed) stand nearly vertical. 1996 Chiltern Seeds Catal. 219 Compass Plant, Pilot Weed, Polar Plant. The most famous plant from the American Prairies, this is an aristocratic species growing to 6 ft. or more. < as lemmas |
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