Wulffia
(named in honour of John C. Wulff, who died in 1767, author of "Flora Borussica"). SYNS. Chakiatella, Chylodia, Tilesia. ORD. Compositae. A small genus (eight species have been described, but all are not distinct as such) of tropical American, stove, scabrous-pubescent, perennial herbs. Flower-heads yellow, at first depressed, at length globose, pedunculate, solitary or three to seven in a corymb; involucre hemispherical, with two or three series of bracts; receptacle slightly convex, the pales enveloping the florets; ray florets, when present, entire or minutely toothed; achenes glabrous or slightly pilose. Leaves opposite, petiolate, crenate serrated. W. maculata, the only species introduced, is of easy culture in any light soil. Propagation may be effected by seeds, or by divisions.
W. maculata (spotted). fl.-heads orange-yellow; ray florets about eight, twice as long as the involucre; peduncles ternate, terminal. June. l. oblong-lanceolate, cuneate at base, acuminate at apex, serrated, scabrous above, nearly glabrous beneath. Stem erect, tetiagonal, spotted. h. 3ft. Brazil, 1822. SYN. Gymnolomia maculatum (B. R. 662).