Prostrate long-lived perennial, sometimes scrambling into other bushes, herbaceous, weakly succulent, with fibrous roots, frequently producing fine adventitious roots along stem and some branches to form extensive densely leafy mats to 5 m diam. Stems very slender, 1-2 mm diam., terete, epidermis almost smooth but with inconspicuous rounded bladder cells on youngest parts. Leaves flat, spathulate, 12-30 x 5-13 mm, light grass green, never tinged red, decussate throughout, epidermis with inconspicuous, small, mesomorphic, rounded bladder cells, without central water-storing tissue. Flowers in cymes, very small and inconspicuous, 4-6 mm diam.; receptacle terete; sepals shortly connate; petaloid staminodes white, narrowly lanceolate, free; filamentous staminodes absent; stamens relatively few, c. 10-14, 1.0-1.5 mm long, free; anthers large and pale; stigmas 5, c. 1 mm long. Fruits 5-locular, 3.5-4 mm diam. when closed, valve wings inflexed and free. Seeds D-shaped, 0.7-0.8 x 0.5 mm, light brown, testa almost smooth.
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