Plants herbs or subshrub. Leaves simple. Inforescences axillary cymes or terminal and spikelike. Sepals unequal; corollas entire or lobed; ovaries ovoid or globose, 1-2-celled, each cell with 2 ovules; styles 2, filiform, united at the base or free, each 2-fid; stigmas filiform or slightly club-shaped. Capsules 1-4 seeded.
Evolvulus is a genus of about 100 species. They are native to the New World but two species extend into the Old World. One species, Evolvulus alsinoides, grows in both Somaliland and Somalia.
Daniel F. Austin & Shaina Ghazanfar (1979) Convolvulaceae vol. 126: 1-64
Plants herbaceous or suffrutescent, annual or perennial, sometimes creeping. Leaves usually smalle, ovate to almost linear, entire. Inflorescences axillary, pedunculate, flowers in 1-several-flowered dichasia or solitary, Flowers pedicellate or sessile; sepals free, equal or subequal; corollas rotate, campanulate, funnelform, or salverform, limbs usually entire, the folds pilose externally; styles 2, free or united at the base; stigmas long, terete, filiform to subclavate. Fruits capsules globose to ovoid; seeds small, smooth or minutely verrucose.
Evolvulus is a genus of about 100 species, almost all of whichh are endemic to the New World. Two species have become established through much of the tropics and subtropics, Evolvulus alsinoides and Evolvulus nummularius.
Note: GBIF records include introduced and cultivated plants. Consequently, the distribution shown often differs from statements about a taxon's native distribution.