Humile glabrum, caule basi subincrassato, ramos breves elongatosque copiose emittente; rami floriferi elongati ad 13 cm. vel ultra, graciles, internodiis saepius ad 3 cm. longis; folia patentia vel fere erecta, acute carinata, supra plana, inferiora sat crassa, subcymbiformia, nunc 1-1.2 cm. longa, 5 mm. lata, 6 mm. diam., nunc subfalcata, 2 cm. longa, 4 mm. lata, 5 mm. diam., superiora ad 3 cm. longa, 3 mm. lata, 4 mm. diam., e medio leviter ampliata, acuta vel abrupte acuta, lateribus levissiine convexa; flores solitarii Tel irregulariter 3-nati, diurni, corolla ad 2.1 cm. diam.; pedunculi ad 1 cm. longi, intermedii ebracteati; receptaculum clavato-turbinatum, apice haud constricto nee gibbosum, 5 mm. diam.; sepala valde lateraliter compressa acuminata, inaequilonga, 3 longiora petala bene superantia, ad 0.9-1.3 cm., 2 breviora 6-7 mm., longa, infeme membranaceo-marginata; petala ca. 43, densa, 2-3-seriata, alba nitentia, exteriora emarginata vel minute denticulata, ad 9 mm. longa, ad 2 mm. lata vel rarius parum ultra, interiora 6-8 mm. longa, vix ad 1 mm. lata, acuta; staminodia vera appressaque nulla; stamina conico-conferta, ad 4 mm. longa, filamentis albis, interioribus superne papillatis; glandulae obscure crenulatae; ovarium supra 5-lobatum, lobis obtusis; stigmata 5, anguste subulata, setaceo-acuminata, 3.5 mm. longa, demum stamina fere aequantia.
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Perennial, dwarf shrublet, up to 0.25 m high, erect. Leaves subfalcate, acutely keeled, flat on top, smooth. Flowers solitary or irregularly 3-nate, white. Flowering time spring to late summer. Capsules pale brown, 5-locular, closing bodies absent, covering membranes reduced to a narrow ledge, valve wings much broader than expanding keels.