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Chamaesyce albomarginata (Torr. & A. Gray) Small
Whitemargin sandmat, Rattlesnake-weed
Synonym(s): Euphorbia albomarginata
USDA Symbol: CHAL11
Dense, thin mats of small, roundish opposite leaves and slender stems have milky sap, and have many tiny white flower-like cups.
One of the showiest of the low spurges, it was once thought useful for treatment of snakebite; hence its common name. The cup-like structure has many simple flowers: those producing pollen have only 1 stamen; those producing seeds consist of just an ovary. Around the edge of the cup are several glands which may or may not have petal-like appendages. The entire structure mimics a single flower, whose structure is typical of many species of Euphorbia.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Bloom InformationBloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
, UT Native Distribution:
Southeastern California and southern Utah to Oklahoma; south to Mexico. Native Habitat:
Open areas in deserts, arid grassland, and pinon and juniper woodland.
Record Last Modified: 2010-06-16
Research By: TWC Staff