Nautilocalyx porphyrotrichus

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Nautilocalyx porphyrotrichus


Terrestrial herb, ca. 15 cm tall. Stem sappy, decumbent, setose at apex, glabrescent. Leaves unequal in a pair; petiole 0.8-4 cm long, hirsute; blade chartaceous when dry, oblong-lanceolate, larger blade 7-16 x 2.5-4 cm, margin serrate, apex acuminate, base cuneate or decurrent into petiole, above hirsute, below hirsute. Flowers (1-)2, in epedunculate fascicles; pedicel 2-2 cm long, purple-hirsute. Calyx purplish-green, lobes free, 4erect, subequal, linear, 1-1.5 x 0.1-0.2 cm, dorsal one curved around spur, somewhat smaller, margin with some teeth near apex, apex acuminate, outside purple-hirsute, inside sparsely pubescent; corolla erect in calyx, crimson, 4.7-5.4 cm long, tube trumpet-shaped, 3.8-4.2 cm long, base spurred, 0.3-0.4 cm wide, middle cylindric, hardly ventricose, throat slightly contracted, 0.5-0.6 cm wide, outside villous, inside pubescent with glandular hairs in throat, limb 1.7-2.2 cm wide, lobes subequal, spreading, rounded, 0.6-1 x 0.6-1 cm, margin obscurely repand-serrate; stamens included, inserted on base of corolla; ovary ovoid, 0.4 x 0.2-0.5 cm, hirsute, style 2.8 cm long, glabrous, stigma 2-lobed. Mature fruit not seen.


Bolivar present, Guyana present, Southern America: Brazil North (Amazonas present); Venezuela (Venezuela present)
Venezuela (Amazonas, BolĂ­var) and Guyana; > 30 collections studied (GU: 4).


Collected in flower in .