Herb with branching rhizomes, forming patches up to ± 2 dm. diam., 5 cm. tall; lvs aggregated at nodes, narrow-linear to linear-spathulate, thick, fleshy, obtuse to subacute, 12-25-(40) mm. long, with broad thin sheathing base. Fls solitary, c. 4 mm. diam., on very short stout peduncles. Disk fleshy, thick, undulate, with broad membr. margins. Calyx-lobes linear, c. 4 mm. long, fleshy, acute; corolla-lobes white, ovate, slightly hairy within, obtuse, undulate. Ovary tapering to short style; stigmatic lobes 2, broad. Fr. globular, succulent, indehiscent, c. 6·5 mm. diam. Seeds ∞, suborbicular, somewhat compressed, bright yellow.
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