Fruticulus glaberrimus, sat gracilis, diffuse ramosus, circa 20 cm. altus; rami patentes vel decumbeiltes, saepe 20 cm. longi, 2 mm. diam., internodiis 1-3 cm., vel rarius ad 5 cm., longis, cuticula pallida, folia mox patentia, rarius leviter recurvata, carina acuta, centrali vel inconspicua eccentricaque, supra plana vel leviter convexa, lateribus convexis, lateraliter visa interdum superne leviter ampliata, obtusa vel abrupte acuta, apiculo minuto, carinam terminante (fere modo D. subincani) laete viridia levia, 1-1.5 cm. longa, 3-4 mm. lata diametroque, vagina vix ad 1 mm. longa, carina subdecurrente; flores saepius irregulariter 2-ternati diurni, 1.6 cm. diam.; pedunculi 2-4 mm., vel fructiferi ad 1.8 cm., longi; receptaculum breviter turbinatum, apice 4 mm. diam.; sepala 5, sat crassa, 2 longiora obtusa ad 6 mm. longa, post anthesin inter se leviter distantia, ad 8 mm. longa, interiora 2-4 mm. longa, membranaceo-marginata; petala laxa, obtusa, subuniseriata vel interiora multo breviora, acuminata staminodiisque simillima sed magis patentia parumque longiora, omnia nivea, ad 9 mm. longa, 1 mm. lata; staminodia ad 5 mm. longa; stamina pauca conico-conferta, filamentis ad 3 mm. longis, interioribus superne papillatis; glandulae subapproximatae; ovarium supra, medio, elevatum, lobis inconspicuis approximatis; stigmata 5, subulata setaceo-acuminata, 2 mm. longa; capsula expansa 1.1 cm. diam.; semina plurima, pallide brunnea.
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Perennial, dwarf shrublet, up to 0.2 m high, branches lax. Leaves trigonous with rounded apex, bladder cells distant. Flowers in cymes of 3, white. Flowering time spring to late summer. Capsules pale brown, 5-locular, closing bodies absent, covering membranes reduced to a very narrow ledge, valve wings broad, expanding keels broad.
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