Plant: Monoecious perennial forb usually < 30 cm; herbage with watery latex, stellate to lepidote pubescence

Leaves: leaves alternate, mostly lanceolate, < 2.5 cm wide

Flowers: inflorescences terminal and axillary; pistillate flowers proximal and numerous, staminate flowers distal with well-developed corollas

Fruit: a 3-seeded capsule.