Stems shortly tomentose, with or without a mixture of long hairs, sometimes slightly hispid. Leaves deflexed; petiole 1/6– 3/4 in. long; blade 1/2–1 1/4 in. long, 5 lin. to 1 1/8 in. broad, cordate-orbicular or cordate-ovate, apiculate or shortly cuspidate, rather thick, tomentose on both sides. Flowers in a corymb-like raceme, which (including the peduncle) is 1–2 in. long, tomentose or shortly and softly hairy, as are also the 1/3–1 in. long pedicels, and the 1–2 lin. long ovate acute sepals. Corolla-tube 1 1/2–2 lin. long; lobes 3–3 1/2 lin. long, oblong-ovate, acute, bearded along their margins. Outer and inner coronal-lobes as in D. extensa, except that the inner coronal-lobes rarely exceed 2 1/2 lin. in length and have a shorter spur, which is about 1/3 lin. long. Follicles 1 1/2–2 1/2 in. long, ovoid, acuminate into a beak, more or less echinate, sometimes nearly smooth, minutely tomentose. Seeds 1/3 in. long, 1/4 in. broad, nearly flat, ovate, margined, minutely tomentose on both sides.
