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Sesuvium trianthemoides
Also called Roughseed Sea Purslane
Sesuvium trianthemoides, called Texas sea-purslane, is a rare endemic plant known only from Kenedy County in southern Texas. It grows in salt marshes along the seacoast.
The species is closely related to the more widespread S. maritimum, referred to as annual or slender sea-purslane. This is common in coastal environments from Texas to New York State as well as in the West Indies. The two can be distinguished by smooth seeds about 1.0 mm across in S. maritimum, rough-surfaced seeds approximately 1.5 mm in diameter in S. trianthemoides. Both are small succulent herbs that form large clonal colonies by means of rhizomes.
Galapagos Carpetweed · Slender seapurslane · Shoreline seapurslane · Verrucose seapurslane · Seapurslane
Text excerpted from the Wikipedia article Sesuvium trianthemoides by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
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.
