Ramuli 4 tantum visi (e planta compacta caule abbreviato, ut videtur), 4-foliati, ortibus axillaribus 2, basi reliquiis onusti, internodiis inclusis, 2-4 mm diam.; partes herbaceae glabrae; folia fere erecta, supra plana, linearia, superne longe attenuata, acuminata, lat. visa superne haud angustata sinon apice vero abrupte angustata rigideque apiculata, vel rarius supra medium leviter ampliata, lateraliter compressa, carinata, lateribus leviter convexis, polita subpergamentacea glauca, novella conspicue cartilagineo marginata, ad 5 cm longa cum vagina 1 cm, ad 7 mm lata, 7-9 mm, vel rarius ad 11 mm. diam.; flores singuli (itaque nomen) diurni; pedunculi sat rigidi, 1-2.2 cm longi, basi bracteati, bracteis 0.8-1.2 cm longis; receptaculum cyathiforme, ad 6 mm. longum, apice ad 6-7 mm diam.; sepala 6, longe attenuata, omnia plus minusve membranaceo marginata, 6-9 mm longa, basi 2-3 mm lata; petala 2-seriata, inferne angustata, obtusissima, pallide rosea, 1.5-1.7 cm longa, 1.5 mm, vel rarius ad 2 mm, lata; staminodia gracillima, stamina aequantia vel leviter excedentia, pallida vel alba; stamina conferta, ca. 4-seriata, ad 8 mm. longa, filamentis epapillatis albis, antheris parvis, cum polline aureis; glandulae 6, distantes, sat inconspicuae; ovarii lobi fere e margine abrupte fere ad per 2 mm elevati, approximati, obtuse compressi; stigmata 6, gracilia, superne angustata, fere ad apicem papillata, 7 mm, vel in flore maturo ad 8 mm, longa; capsula obconica 6-8 mm longa cum suturis valde compressis ad per 3-4 mm elevatis, apice 6-8 mm, expansa ad 1.6 cm, diam., carinis a basi divergentibus, aristatis, arista dimidium valvae attingente, valvis exalatis, marginibus valde reflexis, tuberculo conspicuo pallido.
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