Synonym: Hilgeria convolvulacea.
Region: North America to Argentina, Africa, Arabian Peninsula to Indo- china, Australia.
BotanyHerbs or subshrubs.
Leaves: alternate, simple, entiree; trichomes on a
pedestal of distinctly enlarged foliar epidermis cells. Inflorescences: single, scorpioid cymes, or flowers solitary. Flowers: perfect; calyx 5–toothed or 5–lobed, persistent; corolla white, small, 5–merous, lobe’s margin involute; stamens 5, included; nectar disc at the base of the ovary; ovary functionally 4–locular, locules 1-seeded, style ter- minal, undivided, or absent, the stigma cryptically or clearly apically 2- or 4-fid.
Fruit: a schizocarp, lobed or unlobed, dry, 2–4 bony 1-seeded nutlets, embryos curved.