Perennial often creeping or rosette herbs or small branched shrublets
Leaves alternate, opposite or verticillate, often densely crowded basally, at the nodes, or all along the stem, oblanceolate, linear, subulate or ericoid
Inflorescences lax, or umbelliform and often glomerulate terminal or axillary cymes
Flowers hermaphrodite, pedicellate, small, greenish
Stamens 5, hypogynous, free, alternate with sepals
Ovary of 3–5 united carpels, 3–5-lobed, 3–5-locular; stigmas 3–5, free or united; ovules 1 per loculus, basal
Fruit a 3–5-lobed, 3–5-celled, loculicidal capsule
Perianth-segments 5, herbaceous, free.
Flowers hermaphrodite, pedicellate, small.
Inflorescence an umbelliform, often glomerate, terminal or axillary cyme; bracts often whorled.
Leaves alternate, opposite or verticillate, densely crowded at base of plant, linear or narrowly lanceolate; stipules scarious.
Perennial, often creeping, rosette or cushion herbs.
Seeds orbicular-reniform, granular.
Fruit (3–)5-lobed, (3–)5-celled, a loculicidal capsule.
Ovary of (3–)5 united carpels, (3–)5-lobed, (3–)5-locular; stigmas 3 or 5, more or less free; ovules 1 per loculus; placentation basal.