Erectum frutescens, ad 1.20 met. altum. caule robustissimo “7.5-10 cm. diam.”; partes berbaceae minutissime velutinae, sordide glauco-virides; folia saepius fere erecta vel patenti-incurvata, dorso inferne inconspicue carinata, supeme abrupte complanata, breviter apiculata, apiculo interdum recurvulo, apice nunc fere truncata, nunc obliqua ob margines carina parum breviores, supra plana, lateraliter subcompressa, lateribus tamen leviter convexis, saepius 2 cm. longa, ad 2.5 mm. lata, 2-3 mm. diam., vagina 1.5 mm. longa; flores diurni, ad 1.3 cm. diam., cyma compacta 2-3-trichotoma, ad 17-fl. vel ultra, 2.5-3.5 cm. diam.; pedunculi ad 8 mm. longi; receptaculum breviter turbinatum, cum aetate apicem versus constrictum; sepala omnia basi cum receptaculo sat conspicue gibbosa, inaequilonga, 3 longiora ad 4 mm. vel accrescentia ad 5 mm. longa; petala 1-seriata, interne vix angustata, obtusa alba, ad 5 mm. longa, vix ad 1 mm. lata; staminodia pauca, stamina conico-conferta leviter superantia; filamenta omnia papillata, ad 4 mm. longa; glandulae distantes; ovarium medio 5-lobatum, lobis approximatis obtusis; stigmata 5, anguste subulata, setaceo-acuminata, vix ad 2 mm. longa.
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Perennial, dwarf shrublet, up to 2 m high. Leaves opposite, velvety, apex acute, recurved. Flowers in cymes, white. Flowering time spring to late summer. Capsules pale brown, shallow, 5-locular, closing bodies absent, covering membranes reduced.