Family, Bignonia. Color, orange outside, lemon within. Calyx, like a small cup with scarcely any teeth. Corolla, bell - shape, somewhat 2-lipped, not deeply 5 - lobed. Stamens, 4, often with a rudiment of a fifth. Flowers, pedicelled, in cymes, numerous. Leaves, petioled, a pair of oblong or ovate leaflets, each stalked. A branched tendril springs from the tip of the petiole, and in the axils there are often stipuledike leaves. April to June.
Woody climbers, on trees reaching a height of 50 or 60 feet in moist woods from Virginia to Florida and westward. If the stem be cut across, a cross-like figure is seen in the wood.