Mojave Spurge
Euphorbia incisa
(Euphorbia schizoloba)
Observed on an embankment near Pinto Creek, Gila Co., Arizona, USA. 29 February 2012.
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FLOWERS: Complex inflorescence with a central scallop-edged cup and
three to five similar cups around perimeter. Very small male and female flowers
within.
LEAVES: Broadly elyptical to oval leaves are tapered at both ends. White
sap emerges from broken leaves and stems. Smooth surface and smooth margins.
HERBACEOUS PERENNIAL: Regrows for several seasons from an underground
stem and roots. Most plants are less than 40 cm
tall.
RANGE: Rocky soil, often in the shade of riparian trees or on partially
shaded cliff faces.
FRUIT: A smooth capsule with three lobes. One seed in each capsule.
UNARMED
Euphorbiaceae -- Spurge Family
More Information:
- Southwest Environmental Information Network
- Jepson Manual
- USDA Plant Profile
- ITIS Taxonomic Report
- Google Images
- Google Scholar Literature Search