Description
Key Characters:
Growth Form:
Erect, ascending, or prostrate annual or perennial herbs, sometimes subshrubs or shrubs.
Stems:
Roots:
Leaves:
Leaves simple.
Alternate, opposite, or whorled.
Surfaces usually glandular–dotted.
Petioles present or absent.
Stipules absent.
Flowers:
Flowers in terminal racemes, corymbs, panicles, or solitary in the leaf axils, bracteate, bracteoles absent.
Flowers bisexual (perfect), actinomorphic, long–pedicellate, bracteoles absent.
Calyx of 5–10 speals distinct or connate.
Corolla yellow, white, purple, reddish purple, salmon or green, 5–10-lobed, the lobes contorted in bud, imbricate.
Stamens as many as and opposite the corolla lobes, inserted near base of corolla tube; filaments slender, pubescent; filaments adnate to corolla tube; anthers dithecal, introrse.
Ovary superior, 1-celled, globose; ovule placentation free-central; style 1; stigma capitate.
Fruit:
Capsules 5–10–valved; irregularly dehiscent or with circumscissile dehiscience near middle.
Seeds numerous; seed coat crustaceous or papillose.
Ploidy:
Habitat:
Elevation Range: