Flowers sessile or shortly pedicellate, axillary or in terminal spikes. Epicalyx segments 3 [or absent], free, small. Calyx 5-lobed. Staminal column divided at the apex into several filaments. Ovary 8–15-locular, each loculus 1-ovulate; styles as many as loculi.
| | Key to the species | |
| 1 | Flowers sessile, arranged in a dense terminal spike 2–4 cm long; stems and leaves with minute 5–10-branched stellate hairs | Malvastrum americanum |
| Flowers very shortly pedicellate in axils of foliage leaves, sometimes clustered at the ends of branches; stems and leaves with simple or usually 5-branched stellate hairs | Malvastrum coromandelianum |
