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A spiny evergreen shrub of erect habit probably 8 to 10 ft high, of dense rather pyramidal habit when young. Branchlets clothed with a short pale down, becoming glabrous and pale brown the second season. Leaves glabrous, set 1⁄4 to 1⁄2 in. apart on the shoots, oblanceolate or narrowly obovate, slenderly tapered to the base, rounded or abruptly tapered at the apex, shallowly toothed except towards the base, each tooth tipped by a blackish gland, 1⁄2 to 11⁄2 in. long, 1⁄8 to 1⁄2 in. wide, bright green above, paler dull green beneath; stalk slender, up to 1⁄3 in. long. Flowers white, 1⁄4 to 5⁄16 in. wide, produced in June on small corymbose racemes, each flower on a slender glabrous stalk 1⁄2 to 3⁄4 in. long. Calyx-tube top-shaped, the lobes triangular, glabrous; petals round; stamens about twenty with smooth white stalks; styles five. Fruits 1⁄4 in. wide, globose, golden yellow to reddish orange.
Native of Yunnan, China; discovered by Delavay in 1889; introduced by Forrest in 1911. A charming pyracanth named in honour of G. L. Coltman-Rogers of Stanage Park, Radnorshire, and the author of Conifers and their Characteristics, who first showed young plants at one of the Royal Horticultural Society’s Shows at Westminster in March 1913. The most distinctive feature of this shrub in its group is the smallness of its leaves, which gives it a rather dainty appearance, especially in a small state. It is very hardy, bears fruit very abundantly and is the most attractive of the genus in its flowers. It received the Award of Garden Merit in 1937. Awards have also been given separately to the yellow-berried form (f. flava Hort.) and to the orange-berried form (f. aurantiaca Hort.).
P. [‘Orange Charmer’]. – The description of the foliage was made from a plant imported from Holland as ‘Orange Charmer’, but is probably ‘Golden Charmer’. The fruits of this plant are not golden but neither are they in ‘Golden Charmer’, which according to Dendroflora are ‘Orpiment Orange’, i.e., Orange Group 25A of the RHS Colour Chart. The plant in question is very vigorous, almost too much so for a wall, and bears its berries very freely in lax, closely set trusses.
Cotoneaster koidzumii Hayata