Skip to main content

Euphorbia schizoloba - Mojave spurge

Scientific Family
Euphorbiaceae
Synonyms
Euphorbia, incisa, Euphorbia incisa var incisa, Euphorbia incisa var. mollis, Tithymalus incisa, Tithymalus incisa var. mollis
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Perennial
Height
4 to 12 inches
Riparian
Yes

Bushy plant. Has a flower-like structure called a cyathium, a cup-like structure that houses a central pistillate flower surrounded by several staminate flowers. The yellow horned structures are not true petals but merely extensions of the cyathium.

Stems purplish, several, erect to ascending, sometimes woody or shrubby at the base, arising from a root crown; herbage hairless to slightly hairy; leaves elliptic, tapering at both ends; inflorescence glands irregularly toothed on margins, without horns.

Habitat

Rocky or sandy slopes; upper elevations, shady riparian areas; also found in desert transitions.

Plant Community
Desert Scrub
Grasslands
Interior Chaparral
Montane Conifer Forest
Pinyon Juniper Woodlands
Riparian
Low elevation
3000
High elevation
9000

Flower Characteristics

Multiple tiny male flowers in bunches of 5, surrounded by 4 or 5 fringed, green to yellow, petal-like appendages with scalloped, crescent-shaped glands and a single green, drooping, stalked female flower with a 3-lobed ovary and 3 bilobed styles.

Flower color
Green to yellow
Flower shape
Other
Tubular
No
First bloom month
February
Last bloom month
August
Flower clusters
Rounded

Leaf and Stem Characteristics

Small, alternate, elliptical to oblong, 1/8 to 3/4 inch long, acute at both ends, margins smooth, stemless or nearly stemless.

Leaf type
Simple
Leaf color
Green
Leaf shape
Narrow
Leaf margin
Smooth
Leaf attachment
Alternate
Leaves clasp
No
Leaf hairs
None
Spines
No

Fruit and Seed Characteristics

Oblong and lobed.

Fruit type
Capsule
Fruit color
Gray to white

Oblong to rounded, gray to white, 1/4 inch long, surfaces veined to smooth.