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Photinia (Greek, photeinos, shining; alluding to the shining foliage). Including Heteromeles and Pour- thiea. Rosaceae', tribe Pomeae. Ornamental woody plants, grown for then- attractive flowers and fruits and the evergreen species also for their handsome foliage.
Deciduous or evergreen shrubs or trees: lvs. alternate, short-petioled, stipulate, usually serrate: fls. in corymbs or short panicles; petals 5, orbicular; stamens 10-20; styles 2, rarely 3 or 4, connate at the base: fr. a small, 1-4-seeded pome with persistent calyx and with the top of the fr. rounded and hollow.—About 30 species, nearly all in E. and S. Asia, only 2 in Calif, and Mex. Closely allied to the Aria group of Sorbus. which differs chiefly in the top of the fr. being solid and pointed.
The photinias in cultivation arc shrubs, rarely trees, with rather large evergreen or smaller deciduous leaves turning scarlet or deep red in fall and with white flowers in many-flowered or sometimes few-flowered corymbs followed by very attractive red or scarlet, fruits. The evergreen species are tender in New England, and bear only a few degrees of frost; but the deciduous P. villosa is hardy as far north as Massachusetts, and is very conspicuous in fall by the scarlet coloring of the foliage and afterward by the numerous scarlet fruits, which retain their bright color until midwinter and are not eaten by birds. Of the evergreen species, P. arbutifolia, which is very similar to P. serrulata and also to P. glabra, is the best known; it is a very striking object in winter, with its large clusters of bright red fruit ripening in December and contrasting well with the glossy dark green foliage. The photinias are not very particular as to soil, but thrive best in a rather light sandy loam, and the deciduous ones prefer sunny positions. Propagation is by seeds or by cuttings of half-ripened wood under glass and by layers; also by grafting on hawthorn or quince.
P. amphidoaea, Rehd. & Wilson (Stranvaesia amphidoxa, Schneid.). Shrub, to 10 ft.: lvs. deciduous, elliptic to oblong, serrate, loosely tomentose at first, soon glabrous, 2-3 1/2 in. long: fls. 3-6; calyx densely tomentose: fr. subglobose, scarlet, 1/2 in. across. Cent. China. — P. arguta Wall. (Pourthisea arguta, Decne. ). Closely allied to P. villosa: lvs. longer and narrower, firmer, densely white- tomentose beneath when young: corymbs larger. Himalayas. — P. Beauverdiana, Schneid. Shrub or small tree, to 20 ft.: lvs. deciduous, oblong or obovate-oblong, densely serrulate, glabrous, 2 1/2-4 in. long: corymbs 2 in. across: fr. subglobose. scarlet. 1/4 in. across. Cent. China. Var. notabilis, Rehd. & Wilson (P. notabilis, Schneid.). Lvs. elliptic to obovate-oblong, 3-5 in. long: corymbs loose, 3—4 in. across: fr. ovoid,1/3 in. long. Cent. China. — P. elliptica, Nichols., is Eriobotrya elliptica, Lindl., a Himalayan species not in cult, in this country. — P. japonica, Nichols. =Eriobotrya japonica. — P. parvifolia, Schneid. Shrub, to 6 ft.: lvs. elliptic, long-acuminate, serrulate, nearly glabrous. 1 1/2-2 in. long: fls. 2-3 on filiform stalks 1-2 in. long: fr. ovoid, scarlet, 1/3 in. long.
Alfred Rehder.
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