An erect, slender, much branched shrublet, 30-70 cm high. Young branches reddish to brownish, rather densely puberulent; later glabrescent, defoliated, and marked with small but prominent leaf-scars; finally dark ash-grey to blackish and comparatively smooth. Leaves rather sparsely set, patent to erecto-patent, not imbricated; petiole 0.5-1 mm long, more or less appressed, yellowish; blade oblong, 3-7 x 1.3-1.8 mm, obtuse, with thin, somewhat revolute, often ciliate margins, often rolling when dry, dull green and smooth above, pale green with 10-40 rather inconspicuous glandular dots below (rarely eglandular). Uppermost leaves hardly changed in shape, not forming an involucre. Flowers on 3-6(-10) mm long and c. 0.6 mm thick, glabrous or slightly puberulent, yellowish to reddish pedicels in 3-7 flowered corymbs or umbels which tend in be crowded in rich-flowered terminal synflorescences. Bracts broadly oblanceolate, 1.8-3.2 x 0.8-1.4 mm, obtuse, glabrous, mainly green, inconspicuously glandular-punctate. Bracteoles attached close to the calyx and often appressed to it, lanceolate. 1.0-1.8x c. 0.5 mm, glabrous, the upper part sometimes subcarinate and slightly thickened. Calyx 2.0-3.5 mm, divided to 50-60% (but coalescence lines visible to the base of the calyx), glabrous, inconspicuously glandular-punctate, usually green; segments broadly ovate, 1.2-1.0 x 1.3-2.1 mm, somewhat overlapping, obtuse. Petals white or pink inside, darker pink outside (buds conspicuously pink to red), glabrous; claw 1-1.5 mm long; limb broadly elliptic to orbicular, 3.3-5.2 x 3.0-4.8 mm, obtuse. Staminodes 2.0-2.5 mm long, erect, slender, pale yellowish, very gradually tapering from the glabrous base, patently pilose for most of their length, apically rather abruptly expanded into a capitate, glabrous, reddish gland c. 0.3 mm across. Stamens: filaments subulate, 0.8-1.5 mm long, slightly incurved, glabrous at the base, patently pilose for most of their length, pale yellowish; anthers ovoid to broadly elliptic, dorsifixed, versatile, 1.0-1.4 x 0.7-1.0 mm, dark brown, slightly pilose, tipped by a shortly stipitate, capitate to globose gland c. 0.3 mm across. Ovary semiglobose (i.e., more or less flat-topped), c. 1 mm across, glabrous, pale, the upper part bullate to papillate, but eglandular; style c. 1 mm long, stout, recurved; stigma capitate to discoid, pale olive-brown. Mature capsule more than twice as long as the calyx, somewhat bullate, not transversely rugose, roughly crenate on the upper margins, brownish-green. Seeds ovoid to narrowly ovoid, 2.8-3.3 x 1.5-1.9 mm.
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Aromatic, sparsely leafy shrub to 70 cm. Leaves spreading, oblong, margins thin, slightly revolute. Flowers 3-7 in loose corymbs, often 2 or more per branch tip, white or pink, darker pink outside.