Coldenia
(named after Conwallades Colden, a North American botanist, who discovered numerous new plants; these are published in the Upsal Acts for 1743). ORD. Boragineae. A genus containing about ten species of branched prostrate herbaceous plants, natives of both the Old and New Worlds. Perhaps the only one in cultivation is C. procumbens--an ornamental stove trailing annual. Seed should be sown in March, in a hotbed, and the seedlings planted out singly in pots when large enough to handle. It requires a light, rich soil.
C. procumbens (procumbent). fl. white, axillary, usually solitary, sessile; corolla funnel-shaped; throat wide, naked; limb flat. July. l. alternate, cuneiform, petiolate, having one of the sides shorter than the other, coarsely serrated, plicate, beset with appressed hairs above. India, 1699.