Comprehensive DescriptionRead full entry
General: Sunflower Family (Asteraceae). Hemizonia fasiculata is an annual herb, 0.5-10 dm tall. The stems are glabrous to sparsely short-bristly. The lower leaves are 3.5-15 cm, dentate to deeply lobed, and bristly. The upper cauline leaves are linear, entire, and appressed to the stem. The inflorescence is open to dense, with the 4.5-5.5 mm bell-shaped involucre, with 5 deep ray flowers and 6 disc flowers having yellow corollas and black anthers. The fruits are 2.5-5 mm beaked achenes.