|Scientific Name||Euphorbia simulans (Chamaesyce simulans)||USDA PLANTS Symbol||CHSI5|
|Common Name||Mimicking Sandmat||ITIS Taxonomic Serial No.||28137|
|Description||Habitat: Clays, sandy, gravelly or rocky soils in desert scrub, mountains, hills, canyons, washes, flats and roadsides; 2000 to 4200 ft.; in the US, found only in Brewster, Presidio and Hudpseth counties of Texas.
Plant: Usually prostrate, mat-forming annual or short-lived perennial with fleshy, reddish-green, tangled stems 2 to 16 inches long.
Leaves: Opposite, orbiculate, oval, to shortly oblong less than 1/8 to 3/16-inch long with rounded tips and on short petioles less than 1/16-inch long; smooth surfaces and entire margins.
Inflorescence: Very small (about 1/16-inch long) cyathia at nodes or stem forks which have bell- or top-shaped cups (involucre) surrounded by 4 red to purple nectar glands with no "appendages"; each cyathium with many staminate flowers (stamens and anthers) and one pistillate flower (the ovary) that is smooth or fuzzy with a protruding stigma with 3 styles, each with 2 whitish lobes.
Fruit: Smooth, tiny, broadly oval-shaped, ~1/16-inch long and almost as wide.
Bloom Period: April to October.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and Flora of North America.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023