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Desert horsepurslane

Trianthema portulacastrum

Also called Desert Horse-Purslane, Horse purslane, Black Pigweed, Giant Pigweed, Carpet Weed

Desert horsepurslane
Photo: Graham Racher, CC BY-SA 2.0

Desert horsepurslane is a fleshy annual herb that forms a low mat or clump and grows as a weed in disturbed and cultivated ground across the tropics and subtropics. It thrives in hot, dry conditions with little care.

Family
Aizoaceae (Ice-plant family)
Grows as
Annual
Light
Full sun
Water
Water sparingly and let the soil dry out between waterings, since the fleshy stems store moisture.
Soil
Well-drained sandy or poor soil.
Temperature
22–35 °C; protect from frost.
How easy
Easy
Native range
Tropics & Subtropics
Climate
seasonally dry tropical

About

Trianthema portulacastrum is a species of flowering plant in the ice plant family known by the common names desert horsepurslane, black pigweed, and giant pigweed. It is native to areas of several continents, including Africa and North and South America, and present as an introduced species in many other areas. It grows in a wide variety of habitat types and it can easily take hold in disturbed areas and cultivated land as a weed.

This species is a host plant for the beet leafhopper (Circulifer tenellus).

Text excerpted from the Wikipedia article Trianthema portulacastrum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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