shortly petiolate, acuminated /eaves ; petioles ciliated at the back. 
Panicles axillary and terminal, leafless, many-flowered : flowers 
of a very large size, pale yellow. Calyz of five spreading, lan- 
ceolate, pale green segments, not a third the length of the narrow 
portion of the tube of the corolla. Corolla with the lower half 
of the tube very narrow ; upper half expanding into a large and 
broad bell-shaped mouth, striated and almost plaited. Limb 
very large, of five subrotund, but acute, spreading odes, furnished 
with an oblique tooth on one side at the base. 
