English: Round-leaf puncturebract; Roundleaf oxytheca.
Region: southwestern United States.
Habitat: deserts, woodland, valley areas.
BotanyHerb; annual.
Stem: leafless; ± 20 cm tall, in spring.
Leaves: small rosette; oblong or spoon-shaped leaves; ± 2 cm wide; red-veined green, often brown to maroon or magenta.
Inflorescence: atop, punctuated by nodes at which the bracts are fused to form a cup or band ± 2 cm wide; cup of bracts partially fused around a cluster of flowers; bracts tipped in spinel ike awns.
Flowers: white to yellow-green; hairy.