Platycrater
(from platys, broad, and krater, a bowl; alluding to the expanded calyx of the barren flowers). ORD. Saxifrageae. A monotypic genus, the species being a hardy, prostrate or creeping shrub, with terete branches. It requires culture similar to Philadelphus (which see).
P. arguta (sharp). fl. greenish-white, scattered, much larger than those of Hydrangea, disposed on long pedicels, in terminal, few-flowered corymbs; calyx limb dilated, petaloid, three or four-lobed; petals four, valvate. l. opposite, shortly petiolate, deciduous, lanceolate, long-attenuated, acuminate, deeply toothed, veined. Japan, 1866. (R. G. 516; S. Z. F. J. 27.)