(Standl.) Standl. & Steyerm., Publ. Field Mus. Nat. Hist.,Bot. Ser. 23:78. 1944
Saprophytic herb, to 15 (20) cm tall, ± glabrous,unbranched or branched few times; stems enclosed byoverlapping cauline scales at base; scales dull red,opposite, connate more than half their length, 3-5 mm long.Flowers solitary, 5-parted, 3-5.5 cm long; calyx ca 5 mmlong, campanulate; corolla pale yellow to lavender, the narrow tube3-4 cm long, the lobes spreading, ovate, 7-15 mm long; stamensincluded, 1-3 mm long; gynoecium to 3.6 cm long; ovary sessile,oblong, truncate apically, to 8-9 mm long, glabrous, eglandular;style filiform, to 2.7 mm long; stigma capitate-peltate, themargins sinuate. Capsules to 1.5 cm long, ca 5 mm diam; seedswingless, numerous. Croat 4296a.
Rare, in rich, dark, moist forest. Seasonal behavior notdetermined. The few specimens, collected throughout much of theyear, indicate that the species may not have a seasonal floweringbehavior.
Guatemala, Nicaragua, and Panama. In Panama, known from tropicalmoist forest in the Canal Zone, Bocas del Toro, and San Blas andfrom premontane wet forest in Coclé, (near El Valle) andPanama (near Cerro Campana).