herbs or undershrubs. Leaves simple, alternate, narrowly lanceolate, crenate-dentate.
Flowers bisexual, solitary, axillary, pedicellate. Sepals 5. Petals 5. Stamens
15, connate at the base, arranged in 5 groups of 3 each, each group alternate
with a staminode. Ovary sessile, 5-locular, each locule with many ovules,
styles simple, entire, often twisted, stigmas 5-lobed, minute. Fruit a capsule,
ovoid, woody, loculicidally dehiscent, 5-valved. Seeds 8-12, triangular,