Stems originate from rhizomes and sometimes terminate in a basal rosette, producing 3-15 branches (3-)5-10(-15) cm, pubescent throughout with appressed malpighiaceous trichomes to 0.6 mm. Basal leaves with petioles (3-)5-12 mm; blade elliptic, ovate, or oblanceolate, to 7 × 5 mm, margin entire, apex obtuse to rounded. Cauline leaves with petioles 1-4 mm; blade elliptic, elliptic-ovate, or rarely ovate-suborbicular, 3-7 × 2-5 mm, gradually reduced in size upward, sparsely to densely covered with appressed setose trichomes to 1 mm, margin entire, apex obtuse. Racemes elongated considerably in fruit. Fruiting pedicels straight or distinctly curved, divaricate, (3-)5-12(-17) mm, pubescent with simple trichomes. Sepals oblong, pink or purplish, tardily caducous, not saccate, 1.5-2 × 0.7-1 mm, with appressed subsetose or nonsetose simple trichomes to 0.4 mm, margin entire, not ciliate, with a membranous part 0.1-0.2 mm wide. Petals pink or purple, caducous, obovate, 3-4(-5) × 2-2.5 mm, base cuneate to a claw ca. 1 mm, apex emarginate. Filaments pink, lateral pair 1.2-1.5 mm; median pairs 1.3-1.6 mm, inflated basal part 0.5-0.8 mm wide; anthers yellow or pink, 0.3-0.4 mm. Fruit valves papery, 2-3 × 1.5-2 mm, with a crest of tubercles surrounding margin and extending along midvein; gynophore obsolete or to 0.2 mm; style stout, cylindric, minutely papillate throughout, 0.5-0.9 mm. Seeds 2-2.3 × 1-1.1 mm. Fl. Apr-Aug, fr. Jul-Aug.
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