Herb forming patches up to 20 cm. or more diam.; branchlets greenish or reddish, glab. or very faintly bifariously pubescent. Lvs opp., crowded, sessile or nearly so; lamina broad-elliptic to suborbicular or sts ovate, green to reddish, us. rugulose, at least below, ± 3-5 mm. diam., coriac. to slightly fleshy, glab.; margins entire or minutely denticulate. Fls 2-3 mm. diam., calyx-lobes ovate-lanceolate, acute, but little < white or pale rose petals. Capsules glab. or very faintly pubescent, (5)-10-25 mm. long; peduncles glab. (10)-25-50-(65) mm. long, very slender. Seeds densely papillose.
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