Monographs Details: Quelchia
Authority: Carlquist, Sherwin. 1957. Anatomy of Guayana Mutisieae. Mem. New York Bot. Gard. 9 (3): 441-476.
Discussion:Pollen grains of Quelchia are easily separable from the above genera by virtue
of the greater exine thickness and somewhat more prominent spines. Quelchia
barcteata (fig. 94 A, B) is typical for the genus, as indicated by the material
available. As shown in table 1, exine thickness and spine length are appreciably
greater in Quelchia; in shape, however, the grains are subprolate to prolate
sphaeroidal, like those of Stenopadus.