This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
(C. Oxyacantha, Hort.). Shrub or tree, to 20 ft., with stout spines: leaves on rather slender petioles, ovate, 3-7-lobed, lobes with few teeth at the apex, 1-2 in. long: corymbs many-fid., with usually hairy pedicels: fruit oval, with usually 1 stone, 1/3-1/2in. high. May, June. Eu. and N. Africa to Himalayas. Gn. 33, p. 465; 37, p. 467; 40, p. 500; 52, p. 266; 55, p. 452. R.H. 1900, p. 72 (all as C. Oxyacantha). - Many garden forms are cultivated; some of the most distinct are the following: variety punicea, Rehd. Flowers deep red, single. F.S. 15:1509, fig. 1. L.B.C. 14:1363. variety rosea, Hort. Flowers pink, petals with white claw. variety albo-plena, Schneid. With white double flowers F.S. 15:1509, fig. 2. variety rubro-plena, Schneid. With double red flowers F.S. 15:1509, fig. 3. Varieties differing in leaves and habit: variety laciniata, Loud. Leaves deeply pinnatifid with incised serrate lobes. variety pteridifolia, Rehd. (C. Oxyacantha variety pteridifolia, Loud. variety filicifolia, Hort.). Similar, but leaves longer, with narrower and more incised lobes. F.S. 20:2076. variety ferox, Schneid. (C. Oxyacantha variety ferox Carr. C. Oxyacantha variety horrida, Carr.) Branches with fascicles of numerous stout spines.
F.S. 14:1468. G.C. III. 24:13. variety inermis, Rehd. (C. Oxyacantha inermis, Dauthenay). A spineless form. R.H. 1900, pp. 72, 73. variety pendula, Loud. With pendulous branches. Gn. 68, p. 288. G.M. 44:827. M.D.G. 1902:25, 26. variety roseo-pen-dula, Rehd. (C. Oxyacantha variety pendula rosea, Hort.). A pendulous form, with pink flowers variety stricta, Loud. (variety pyramidalis, Hort.). Of fastigiate, upright habit. G.C. III. 41:184. M.D.G. 1906:390. variety semper-fldrens, Rehd. (variety Bruantii, Carr.). Low, graceful shrub, flowering until fall. R.H. 1883, p. 140. Gn. 29, p. 431; 33, p. 465. There are also some varieties with variegated leaves
Shrub or small tree: branches with short spines or unarmed, branchlets tomentose: leaves cuneate, obovate, pinnately 5-7-cleft, with the lobes glandular-serrate, villous-pubescent, 1-2 in. long: corymb dense, 5-7-flowered; calyx-lobes large, deeply glandular-serrate; flowers large: fruit pubescent, yellow, 1 in. or more across, with laciniate bracts at the base. May, June. Asia Minor. B.R. 22:1884. Gt. 43, p. 215.
(C. odoratissima, Lindl. C. apiifolia, Hort.). Shrub or small tree, with spreading, almost unarmed branches and tomentose branchlets: leaves short-petioled, cuneate, obovate or oblong, pinnately 3-5-cleft, with the lobes incisely serrate at the apex, tomentose pubescent, 1-2 in. long: corymb dense, tomentose; calyx-lobes entire: fruit depressed globose, brick- or orange-red, 3/4-1 in. across, with 4-5 stones. June. S. E. Eu., Asia Minor. B.M. 2314. B.R. 22: 1885 (as C. odoratissima). Gn. 28:632 (as C. tanace-tifolia), and p. 635. G.M. 40: 824. variety sanguinea, Rehd. (C. sanguinea, Schrad., not Pall. C. Tournefortii, Griseb.). Leaves more glabrescent: fruit dark red, with 2-4 stones. B.R. 22:1852.
(C. Aronia, Ser. C. maura, Linn, f.). Shrub or tree, to 25 ft., with pubescent branchlets: leaves short-petioled, cuneate-obovate, deeply 3-5-lobed, with the lobes nearly entire or incised at the apex, grayish green, pubescent, 1 1/2_2 1/2 in. long: corymbs few-fid., densely tomentose: fruit orange-red or yellow, globular or ovoid, 3/4- 1 in. across. May. N. Africa, Asia Minor. B.R. 22:1897. (as C. Aronia). R.H. 1856:441. Var sinaica, Boiss. Leaves glabrous: fruit smaller, reddish yellow. B.R. 22:1855 (as C. maroccana). Gn. 22, p. 146; 28, p. 634.
Fig. 1104. Shrub or small tree, to 20 ft.: leaves slender-petioled, cuneate, elliptic-ovate, pinnately 5-9-cleft, incisely serrate: corymbs many-flowered, usually pubescent: fruit globular or pyriform, dark red, punctate. 1/2 - 3/4 in. high; stones 3-5. June. N. China, E.Siberia to Korea. R.H. 1901:308. Gt. 1862:366. variety major, N. E. Br. (C. Korolkowii, Schneid., not Henry. C. Brettschneideri, Schneid. C. californica, Hort. C. tatarica, Hort.). Leaves larger, less deeply lobed: fruit pyriform, 1 in. long. G.C. II. 26:620. R.H. 1901:308.
Fig. 1104. Crataegus pinnatifida (X 2/3).
C. altaica, Lange = C. Wattiana. - C. ambigua, C. A. Mey. Related to C. monogyna. Leaves deeply 4-7-lobed, sparingly hairy on both sides, 1-2 in. long: corymbs slightly hairy; fruit ovoid, usually with 2 stones. S. Russia. - C. Baxteri, Sarg.=C. foetida. - C. beata, Sarg. Allied to C. pruinosa. Shrub, to 15 ft.: leaves oblong-ovate, villous above while young: anthers dark maroon-color: fruit crimson, pruinose, ripens end of Sept. N. Y. - C. Beckwithae, Sarg. Allied to C. pastorum. Shrub or tree, to 18 ft.: leaves ovate, usually truncate at the base, at maturity thin: calyx-lobes glandular-seriate: fruit subglobose, crimson, with 5 stones. N. Y. - C. bellula, Sarg. Related to C. pruinosa. Shrub, to 12 ft.; glabrous: leaves ovate, bluish green and lustrous above, 2-3 in. long: stamens 8-10: fruit dull crimson, bloomy, 3/4in. across, with usually 4 stones. Mich. S.T.S. 1:56. - C. berberifolia, Torr. & Gray. Related to C. Crus-galli. Leaves obovate or obovate-oblong, obtuse, pubescent below, lustrous and nearly glabrous above, 1 1/2 - 2 in. long: corymbs pubescent; anthers yellow: fruit orange with red cheek. La. S.S. 4:179. - C. Celsiana, Bosc. Shrub: leaves pinnately lobed, slightly pubescent beneath: corymbs many-flowered: fruit ovoid, red.
Origin unknown, probably hybrid of C. pentagyna. - C. champlainensis, Sarg. Allied to C. mollis. Tree, to 20 ft., spiny: leaves ovate, usually truncate at the base, lobed, glabrous above, pubescent on the veins below, 2-2 1/2in. long: corymbs villous, usually 4-5-flowered; stamens 10: fruit obovoid or ovoid," scarlet, 1/3in. long, in Sept. Que. and Ont. to Vt. and N. Y. S.S. 13:669. - C. chlorosarca, Maxim. Allied to C. sanguinea. Leaves pinnately lobed, truncate at the base, with short lobes, glabrous at length: corymbs many-flowered, nearly glabrous: fruit black, with green flesh. Japan. - C. cognata, Sarg. Closely related to C. pruinosa. Shrub, to 10 ft., spiny: leaves ovate, acute or acuminate, slightly lobed, dull bluish green, glabrous: corymbs 5-7-flowered; anthers yellow: fruit ovoid or pyriform, pruinose, dull crimson at maturity, over 1/3in- long, in Oct. Mass. - C. compta, Sarg. (C. silvicola variety compta, Eggleston). Allied to C. pruinosa. Shrub, spiny, glabrous: leaves oblong-ovate, usually rounded at the base, slightly lobed, glabrous: corymbs many-flowered; stamens 7-10; anthers dark rose: fruit obovoid, light cherry-red, 1/2in. long, in Oct. W. N. Y. -C. conspecta, Sarg. Allied to C. pruinosa.
Tree, to 20 ft., spiny: leaves broadly ovate, rounded or subcordate at the base, lobed, yellow-green, pubescent on the midrib below: corymbs 5-6-flowered, slightly hairy, compact; anthers white: fruit subglobose, crimson, over 1/2in. across, in Oct. Ont. - C. crenulata, Roxbg.=Pyracantha crenulata. -C. cuneata, Sieb. & Zucc. Belongs to group Cuneatae. Shrub: young branchlets villous: leaves short-petioled, cuneate-obovate or cuneate-oblong, crenate-serrate, glabrous and lustrous above, sparingly hairy below: corymbs villous, 3-7-flowered; stamens 20; anthers red: fruit red, with 5 stones, plain inside. China and Japan. L. I. 5. - C. cupulifera, Sarg. Allied to C. rotundifolia. Shrub, to 20 ft.: leaves obovate or rhombic, slightly lobed, lustrous and scabrate above: corymbs slightly villous; flowers cup-shaped; stamens 10, anthers pink: fruit scarlet, with 3-4 stones. N. Y. - C. Dayana, Sarg. Allied to C.