Pfaffia
(named in honour of C. H. Pfaff, 1774-1852, Professor of Chemistry at Kiel). ORD. Amaranthaceae. A genus comprising about fifteen species of slender, erect, stove herbs, natives of Brazil. Flowers in dense spikes or heads; perianth five-parted, with subequal segments. Leaves opposite, sessile or nearly so, entire. For culture of P. gnaphaloides, the only species introduced, see Celosia.
P. gnaphaloides (Gnaphalium-like). fl. white, disposed in solitary heads, on slender peduncles, 7in. to 15in. long. June. l. ten to fifteen lines long, two to four lines broad, almost erect, soft; lower ones oblong or oblong-ovate, obtuse, slightly mucronulate; upper ones narrow-linear. h. 1ft. 1822. Perennial.