Shrubs or subshrubs, terrestrial, 5–30 dm, glabrous throughout. Stems erect, sparsely branched. Leaves opposite to subopposite; sessile or subsessile [petiolate]; blade lanceolate to linear-lanceolate, base narrowly attenuate. Inflorescences indeterminate, axillary, leafy racemes. Flowers sessile or subsessile, actinomorphic, monostylous; floral tube perigynous, campanulate to turbinate; epicalyx segments equal to or longer than sepals; sepals (5 or)6, 1/3–1/2 floral tube length; petals caducous, (5 or)6, bright yellow; nectary absent; stamens (10 or)12(–24); ovary (3 or)4(–6)-locular; placenta globose; style slender; stigma capitate. Fruits capsules, walls thin and dry, dehiscence loculicidal. Seeds 200+, subpyramidal and elongate; cotyledons ± complanate.

Distribution

Texas, Mexico, South America, introduced in West Indies, Central America.

Discussion

Species 1–3 (1 in the flora).

Selected References

None.

Lower Taxa

Heimia salicifolia