Warty Spurge
Euphorbia spathulata
Observed on a rocky slope adjacent to Peppersauce Canyon, Sta. Catalina Mts., Arizona, USA. 18 April 2010.
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FLOWERS: Complex inflorescence with a green cup holding very small male
and female flowers within. Below the flowers are a pair of deltoid bracts.
LEAVES: Elyptical to linear leaves. White sap emerges from broken leaves
and stems. Smooth surface and smooth margins.
HERBACEOUS ANNUAL: Fleshy herb; most plants are less than
40 cm tall.
RANGE: Rocky slopes, often in the shade of riparian trees or on
partially shaded cliff faces. This plant is distributed over much of North
America as well.
FRUIT: A warty capsule with three lobes. One seed in each capsule -
requires good magnifier to see.
UNARMED
Euphorbiaceae -- Spurge Family
More Information:
- Southwest Environmental Information Network
- Jepson Manual
- USDA Plant Profile
- ITIS Taxonomic Report
- Google Images
- Google Scholar Literature Search