Caespitosum gracile, 2-3 cm altum, ramulis 6-8-foliatis; folia fere erecta, obtuse carinata, oblonga vel lineari-oblonga, subacuta vel lateraliter visa rotundata, supra plana, lateribus convexa, minute margaritaceo-tuberculata, supra fere laevia, marginibus saepe 1-dentatis, dentibus minutis setiferis, saepius 1-1.6 cm longa, 3 mm lata diametroque; flores solitarii sessiles, pomeridiani, ad 2.5 cm diam.; receptaculum turbinatum, sepala 5, subaequilonga, ad 8 mm longa; petala dense 2-3-seriata, obtusa, laete lutea, fere ad 2 mm lata, 1 cm longa; stamina subconico-collecta, filamentis inferne albis, parce pubescentibus, ad 7 mm longis antheris ad 1.5 mm longis, luteis; glandulae semi-circulares, 1 mm altae; ovarium supra valde concavum; stigmata gracilia, ad 1 cm longa.