Planta erecta, glabra, 22 cm diam.; rami primarii lignosi brunnei, ad 13 cm longi, ad 2.5 mm diam., internodiis 4-20 mm longis; ramuli ascendentes vel fere patentes, superne interdum leviter incurvi, saepe pallidi, 2-10 cm longi, 0.75-1.5 mm diam. internodiis 4-18 mm longis; folia ascendentia vel fere erecta, saepe subfalcata supra visa plana vel leviter concava, linearia, superne leviter angustata, acuta, dorso rotundo, viridia, lateraliter visa saepissime acuta, 4-15 mm longa, medio 2-3 mm lato diametroque; flores solitarii, ca. 1 cm diam.; receptaculum obconicum, 3 mm longum, 4 mm diam.; pedunculi 3-4 mm longi; sepala 5, abrupte acuta vel acuta, 3-5, vel extima 5-6 mm, interiora marginata, ad 3 mm, longa, basi 1-1.5 mm lata; petala ca 2-seriata, infra medium inferne leviter angustata, apice rotundo, alba, 5-6 mm longa, 1 mm lata vel parum ultra; staminodia nulla; filamenta 3-4-seriata, epapillata alba, ad 3 mm longa, antheris pollineque albidis; stigmata anguste subulata, 1.75 mm longa cum cauda 0.75 mm longa.
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Perennial, dwarf shrublet, up to 0.3 m high, with thickened rootstock, stems upright, much branched. Leaves spindle-shaped, covered with small bladder cells. Flowers 1 or 3, white. Flowering time spring to late summer. Capsules very pale brown to grey, 5-locular, closing bodies absent, covering membranes reduced to a narrow ledge.
Perennial herb, succulent, up to 0.13 m high. Stems erect. Leaves erect to ascending, 4-15 x 2-3 mm. Flowers: in loose cymes; corolla ± 10 mm in diameter; petals, filaments and anthers white; Oct.-Feb.