EcoFlora - Sclerocarpus uniserialis

Sclerocarpus uniserialis Benth. & Hook.f.
Family: Asteraceae Mexican Bonebract [Aldama uniserialis (Hook.) A. Gray, moreGymnopsis uniserialis] $Sclerocarpus uniserialis image$	FNA Resources Neil A. Harriman in Flora of North America (vol. 21) Stems often densely hairy (hairs whitish, pustule-based, antrorse-appresssed, stiff). Leaf blades 2-5 cm, margins toothed mostly distally, apices acute. Peduncles 3-10 cm. Ray laminae rotundly elliptic, 5-15 mm. Disc corollas usually yellow with reddish veins (sometimes purple). Cypselae: perigynia brown, ± warty. 2n = 24. Flowering late summer-winter. Disturbed sites, caliche, limestone, and sandy soils; 0-300 m; Tex.; Mexico; Central America (Guatemala). Of the four varieties sometimes recognized within Sclerocarpus uniserialis, only var. uniserialis and var. austrotexanus B. L. Turner occur within the flora area. Variety austrotexanus is said to differ by having the disc corollas longer and more uniformly purple and by growing mainly on dunes.
Open Interactive Map $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ University of Florida Herbarium $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ $Sclerocarpus uniserialis image$ Click to Display 100 Initial Media - - - - - View All Media