Duration: Annual

Nativity: Native

Lifeform: Forb/Herb

General: Annual with prostrate stems with pubescent herbage.

Leaves: Opposite, oblong to ovate, not equal at the base, toothed near the apex, usually acute at the apex.

Flowers: Cyathia mostly scattered and solitary with 4 glands, with conspicuous petal like appendages, usually with 2 of the appendages much longer than the others, about 15 staminate flowers.

Fruits: Capsules puberulent, the seeds transversely rugose.

Ecology: Found on low hills and plains; 4,000-6,000 ft (1219-1829 m); flowers August-October.

Distribution: AZ, NM, w TX; south to S. Amer.

Notes: An annual distinguished by being prostrate, with serrate leaves which are mostly acute, and especially the conspicuous white petaloid appendages (look like petals), 2 much longer than the others, with the fruits often hiding underneath.

Ethnobotany: Unknown

Etymology: Euphorbia is named for Euphorbus, Greek physician of Juba II, King of Mauretania, while indivisa means undivided.

Synonyms: Euphorbia dioica, Euphorbia dioeca var. indivisa, Chamaesyce indivisa

Editor: SBuckley 2011, FSCoburn 2015

Plant: Prostrate annual forb branching from central point; herbage with milky sap

Leaves: leaves opposite, inequilateral at base, margins minutely serrate

Flowers: flowers monoecious borne in cyathia; petaloid appendages cream-pinkish, conspicuous, the 2 proximal ones greatly prolonged; ovary and capsule bearing hairs, ~2mm long; seeds with 5-6 deep, transverse grooves.