Glabra; partes berbaceae cinereo glaucae vel pallide virides; folia diu fere erecta, demum patentia, supra adulta plana, superne carinata lateraliterque compressa, 4-5 mm. diam., supra visa inferne linearia ibique 4-5 mm. lata, prope medium ampliata, ad 6-8 mm. lata, vel rarius vix ampliata, lat. visa apice truncata vel subtruncata, in setam gracilem, 1 mm. longam, abeuntia, punctis crebris, sat magnis, saepius 2-3 cm. longa; bracteae lat. visae truncatae, apice 2-3 mm. diam., 1.2-2 cm. longae; bores sessiles vel pedunculo culto ad 1.2 cm. longo, demum ad 3.3 cm. diam. receptaculum obconice turbinatum, 9 mm. longum, ad 9-11 mm. diam.; sepala 5 vel rarius 6, 6-9 mm. longa cum arista 1.5 mm.; petala 2-3-seriata, acuta vel rarius obtusa, prope medium latissima, inferne leviter angustata, lutea, inferne alba, superne vittata, vitta angusta, utrinque bene visa, rubra, 9-12 mm., vel demum crescentia ad 13 mm., longa, ad 2 mm., vel rarius ad 2.5 mm., lata; staminodia nulla; filamenta arte conferta, inferne in ovario incumbentia, superne erecta, alba, exteriora inferne ciliate papillata, interiora parum supra basin papillata, antheris pollineque albide brunneis; discus conspicuus, profunde divisus; ovarium circa marginem concavum, medium versus per 1.25 mm. elevatum, altitudinem disci leviter superans, lobis prope marginem ovarii leviter compressis; stigmata 9, gracilia, superne angustata, ad 5 mm. longa, apicem staminum subattingentia.