Herbs or subshrubs, perennial. Leaves alternate, pinnately incised to compound, sometimes simple; stipules absent; petiole present. Inflorescences axillary fascicles. Flowers usually unisexual (mostly bisexual in Datisca glomerata); calyx unequally 4–9-lobed; petals 0; staminate flowers: stamens [6–] 8–12 [–25]; filaments distinct, very short; pistillate flowers: calyx-tube adnate to ovary; ovary inferior, 3–8-carpellate; placentation parietal; ovules 24–64; styles 3, threadlike, deeply forked at apex [subulate or longer with capitate-peltate or clavellate stigmas]; bisexual flowers often with staminodes. Fruits capsular, opening apically between styles. Seeds 100–300; embryo straight; endosperm little or none.
Distribution
sw United States, nw Mexico, sw Asia (Mediterranean region to the Himalayas)
Discussion
Genus 1, species 2 (1 in the flora).
Selected References
None.
