Herbs, perennial, somewhat tufted, glabrous. Stems decumbent, becoming erect or ascending, branched, not bearing true rosettes. Leaves opposite and decussate (rarely alternate), spreading, sessile; blade green or reddish green, not glaucous, suborbiculate to spatulate-obovate or oblong, subterete, ± globular, 4-9 × 4-6 mm, base slightly subcordate, (clasping), not scarious, apex rounded. Flowering shoots erect, usually simple, rarely branched, 6-10 cm; leaf blades suborbiculate to spatulate-obovate or oblong, base not spurred; offsets not formed. Inflorescences terminal cymes, 5-25-flowered, 2-3-branched; branches recurved to erect, forked or not; bracts similar to leaves or elliptic to broadly lanceolate, 2-5 mm, base clasping, apex obtuse to acute. Pedicels 0.5-4 mm (sometimes enlarged apically). Flowers 5 (-7)-merous; sepals erect, connate basally, green, ovate, equal, 2-3 × 1.5-2 mm, apex obtuse; petals erect basally, spreading distally, usually distinct, sometimes slightly connate basally, yellow, elliptic-lanceolate, not or only slightly carinate, ca. 6 mm, apex acute or obtuse with mucronate appendage; filaments yellow; anthers yellow; nectar scales yellow, subquadrate. Carpels widely spreading in fruit, firmly connate basally, red to light reddish brown or straw colored. 2n = 16.
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A plant that keeps growing from year to year and forms mats. The stems are short. They have small succulent leaves. Flowerings stems stick upwards. These are 5-10 cm tall. The flowers are in leafy flat-topped clusters. They are yellow.
Rocky slopes and ledges of cliffs, scree, semistable talus, lava fields; at elevations up to 2,300 metres. Alpine to sub-alpine rocky ledges, ridges and talus slopes.
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It grows on rocky ledges and slopes. It can be on the coast but is usually in the mountains.