A low shrub with opposite leaves and branches, 1 to 4 feet high, smooth or nearly so. Leaves ovate or oval, long pointed at the apex, usually rounded at the base, 2 to 5 inches long, irregularly crenulate and often slightly ciliate on the margins; petioles very short. Flowers in clusters of one to six on slender stalks which are terminal or in the axils of the upper leaves. Each flower about three-fourths of an inch long, narrowly funnel-form, the tube with a slight sac at the base, the limb nearly regular, five-lobed, yellowish and more or less pubescent within and without, usually three of the lobes somewhat united. Calyx with five very slender lobes. Stamens five. Fruit a linear-oblong, smooth capsule, with a slender beak, tipped with the persistent calyx lobes.
Memoir 15 N. Y. State Museum
B. Bush Honeysuckle - Diervilla diervilla