Western Sea Purslane

Sesuvium verrucosum

Family: Aizoaceae

Plant Description: Perennial with ascending or sprawling stems to 45 cm long, commonly forming colonies by rhizomes. Leaves 1.5-4 cm long, oblanceolate, fleshy, opposite. Tepals 4-9 mm long, purple or rose-lavender on inner side.

Field Identification: Forms extensive low growth mats at the next elevation above the bay beach wash zone. Recognizable as vegetation color is similar to Sea Ox-eye Daisy, but a smaller, more delicate looking plant. Flowers are 5 petal starshaped individually arranged.

Plant Trivia: Sea Purslane (Portulacaeae) is NOT in the same family as Purslane (Aizoaceae).

Occurrence: Frequent on salty or brackish soils along the coast. Also grows on alkaline soils.

Bloom Period: March-December

Key to the Genus Sesuvium:

  1. Stamens 5…………………………………………………………………………………………………2
         Stamens more than 5…………………………………………………………………………….3
      2. Seeds rugose………………………………………………………….S. trianthemoides
          Seeds smooth……………………………………………………………….S. maritimum
      3. Stems rooting at nodes, stems mostly trailing..S. portulacastrum
         Stems not rooting, branching mostly erect………………S. verrucosum