Gonzalagunia tacanensis Lundell

Duggena thyrsoidea (Donn. Smith) Standley, Contr U. S. Nat. Herb. 18: 126. 1916.
Gonzalea thyrsoidea Donn. Smith, Bot. Gaz. 13: 188. 1888. Gonzalagunia thyrsoidea B. L. Robinson, Proc. Am. Acad. 45: 405. 1910.
Branches stout, hirsute; stipules deltoid-acuminate, 6-7 mm. long; petioles stout, 5-8 mm. long, hirsute; leaf-blades elliptic or elliptic-oblong, 20-23 cm. long, acuminate at each end, lustrous above, sparsely pilose, pilose beneath along the veins; inflorescence about 30 cm. long, the flowers pedicellate, in 3-7-flowered subsessile cymes; hypanthium short, the calyx-lobes triangular, unequal; corolla sparsely appressed-pilose outside, the tube 14 mm. long, 3 mm. thick in the throat, the lobes nearly half as long, farinaceous and arachnoid within; anthers subexserted; style included, the stigma 4-lobate; ovary 4-cellcd.
Type locality: Mountains of Pansamala, Alta Verapaz, Guatemala, altitude 1140 meters.
Distribution: Known only from the type locality.