Tall-growing annual of southwestern United States widely grown as green manure; yields a strong tough bast fiber formerly used by Indians for cordage. 美国西南部的高大一年生植物,被广泛用作绿肥;树皮纤维很结实,以前被印第安人用来制绳索。
Bush or tall-growing bean plant having large flat edible seeds. 各种矮灌木或生长高的豆类植物的任何一种,具有大而扁的通常为淡绿色或白色的可食种子。
Tall-growing pine of eastern North america; bark is brown with longitudinal fissures when mature; valued as a timber tree. 北美东部一种高大的松树;成树树皮纵向裂开,呈褐色;木材。