Thryallis
(the old Greek name used by Theophrastus for Verbascum; it means a wick, and was appropriate enough to the original plant, but not to the present). ORD. Malpighiaceae. A small genus (three species) of stove, climbing, stellately hoary-pubescent, Brazilian shrubs. Flowers yellow; calyx five-parted, without glands; petals shortly clawed, glabrous, the limb fringed; stamens ten, all perfect; pedicels bibracteolate, articulated above the base; corymbs paniculate, axillary and terminal, effuse. Leaves opposite, entire, glabrous above, whitish beneath; petioles biglandular; stipules inconspicuous. Only one species is known in gardens. It thrives in a compost of loam and peat. Ripened cuttings will root in sand, under a hand glass, in heat.
T. brachystachys (short-spiked). fl. disposed in short, paniculate racemes. August. l. ovate-lanceolate, glaucous-green above, white beneath. 1823. (B. R. 1162.)