Brittonia 30: 458, fig. 4. 1978.
Herbs [shrubs], perennial. Stems trailing to ascending, stellate-hairy, not viscid. Leaves: stipules persistent, linear; blade oblong-ovate to oblong-lanceolate [orbiculate], unlobed, base shallowly cordate, margins crenate or serrate. Inflorescences axillary solitary flowers; involucel absent.
sc, sw North America, Mexico, South America (Argentina, Bolivia, Brazil, Uruguay).
Rhynchosida kearneyi Fryxell is endemic to Bolivia.
Species 2 (1 in the flora).