L. sempervirens is often cultivated. It is found wild from Connecticut southward. Flowers, scentless, with tubular corolla 2 inches long, red out side, yellow within, in spiked whorls. Berries, deep orange red. The upper leaves join around the stem; the lower are on short petioles; all bright, shilling, evergreen, smooth, oblong or broadly oval. A twining and climbing shrub.
L. glaucescens. - Color, pale yellow. Leaves, softly downy along the veins underneath, sessile, the upper pair united and surrounding the stem. Corolla, 2-lipped, swollen at base, about 1 inch long, with stamens and style protruding, covered with soft, small hairs. May and June.
Woods, Pennsylvania to Nebraska and northward.