Erect, bushy shrub, 0.1-1.2 m, branches strict, creeping and rooting at the base; branchlets 4-lined when young, soon 2-lined, eventually terete. Leaves sessile, 2-9 by ½-3 mm, narrowly elliptic or lanceolate-elliptic to linear, apex rounded, base narrowly cuneate, concolorous, incurved and slightly carinate at the base, ± imbricate-ap-pressed; c. 6 main lateral veins, ± parallel, not visibly branching, uniting near margin and apex, without visible reticulate venation; laminar glands pale, linear, sometimes interrupted near margin; intramarginal glands pale only or pale and black. Inflorescence 1-flowered, with shoots in uppermost axils, branching farther down stem; pedicels shorter than uppermost leaves, 2-4(-6) mm long in fruit. Flowers 1-2¾ cm ø, plane or ± concave; buds narrowly ovoid-cylindric, subacute to rounded. Sepals 3½-8 by 1-3 mm, free, imbricate or not, ovate or lanceolate to elliptic or narrowly oblong, subacute to rounded, entire; laminar glands pale, all or mostly linear; submarginal glands pale only or pale or black. Petals dark yellow to pale yellow, sometimes red-tinged below, 7-15 by 3-6 mm, oblanceolate, persistent; apiculus absent or almost so; margin entire, or rarely with a few ± prominent marginal glands; laminar glands pale, linear, sometimes interrupted distally; marginal glands black or absent. Stamens not obviously in fascicles, 13-26, longest 4-7(-8) mm c. ½-¾ as long as the petals, persistent; anthers bright yellow, gland amber or black. Ovary 2-3 mm, ovoid; styles 3, l½-2½ mm, ½-⅔ as long as the ovary, divergent; stigmas ± capitate; placentas 3, parietal, intrusive. Capsule (5½-)6-9 by 3½-5 mm, ovoid, longitudinally vittate. Seeds orange-brown, ½-¾ mm, cylindric, carinate, densely linear-foveolate.
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