Lianas, the stems pubescent, the hairs pale brown. Leaves ? elliptic, acute- acuminate, rounded to shallowly cordate basally, to 19 cm long and 10 cm wide, pubescent on both surfaces, more so on the veins beneath, chartaceous to membranaceous; petioles to 1 cm long, several gland-like stipules present. Inflor- escences corymbose, dichotomous, axillary, the peduncles 2-3 cm long, the bracts apparently absent. Flowers with the pedicels 0.5-1.5 cm long, densely pubescent; bracteoles narrowly-lanceolate, ca. 1 cm lo-ng; -alyx-lobes oblong-ovate, ca. 27- 35 mm long, pubescent on both surfaces, bearing 1 deltoid squamella within; corolla subinfundibuliform, cream-white, pubescent externally, without epistam- inal appendages, the annulus ridged and unevenly lobed, the tube ca. 20-25 mm long, the narrowly conic throat ca. 7-9 mm long; stamens included, the fila- ments free for 3-4 mm, the anthers ca. 3-4 mm long; nectary 5-lobed, sur- passing the ovary at anthesis. Follicles separate, stout, pubescent, mature size un- known; seeds unknown.
Apparently only from Chiriqui Lagoon in Panama.