Large-lowered Bignonia.
CLASS XIV. ORDER II.
DIDYNAMIA ANGIOSPERMIA. Two Chives longer. Seeds covered.
ESSENTIAL GENERIC CHARACTER.
Calyx 5-fidus, cyathiformis.
Corolla fauce campanulata, 5-fida, subtus ventricosa. Siliqua bilocularis.
Semina membranacea, alata.
Empalement 5-cleft, cup-shaped.
Blossom bell-shaped at the mouth, 5-cleft, and bellied beneath. A pod of two cells.
Seeds winged, with a skinny membrane.