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Sinowilsonia (for Ernest Henry Wilson, who collected extensively m China during 1900-1910 and intro. numerous new plants into cult.). Hamamelidaceae. A deciduous tree similar in foliage to Hamamelis, but in its fls. more closely related to Corylopsis, from which it is chiefly distinguished by the unisexual, apetalous fls., and the tubular-urceolate calyx-tube: fls. in pendulous racemes; tube of the calyx urceolate, inclosing the ovary, with obovate-spatulate lobes; petals wanting; the pistillate fls. with 5 staminodes opposite to the sepals; ovary with 2 long and slender styles: fr. a dehiscent 2-seeded woody caps. The only species is S. Henryi, Hemsl. Shrub or tree, to 25 ft., more or less stellate- pubescent: lvs. short-petioled, membranous, broadly obovate to elliptic, acute or short-acuminate, denticulate, 4-6 in. long: calyx-tube yellowish, stellate-tomentose, nearly 1/4 in. long: caps. sessile, nearly 1/2 in. long; seeds black. May. Cent. and W. China. H.I. 29:2817. —Botanically interesting, but without particular ornamental qualities; has proved hardy at the Arnold Arboretum. Prop. is by seeds and probably by layers and by grafting on hamamelis.
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