grooved yellow flax
Etymology: Linum: from the old Greek name for flax, linon, used by Theophrastus
Plants: erect, annual, 8"-32" tall, smooth forb with upper branches
Leaves: small and narrow, mostly alternate with dark glands at the base
Flowers: yellow, 5-parted, 1/3"-3/4" wide; inflorescence a loose, branched cluster (panicle) of stalked flowers; blooms June-July
Habitat: dry; upland woods, prairies, inland sands
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 8 Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key.