Leaves entire or lobed, petiolate.
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.
Fruit a schizocarp; mericarps indehiscent or 2-valved.
| ||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|