Cotoneaster dammeri |
Cotoneaster qungbixiensis |
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bearberry cotoneaster |
Cangshan cotoneaster, cotoneaster, truncate-leaf cotoneaster |
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Habit | Shrubs, to 0.2 m. Stems carpeting or procumbent, rooting, to 1.5 m, pliant; branches distichous or spiraled, greenish to light brown, densely lenticellate, initially pilose-strigose. | Shrubs, 2–3 m. Stems erect, arching, spreading; branches distichous or spiraled, reddish brown, initially strigose-pilose. |
Leaves | persistent; petiole 2–9 mm, villose-strigose; blade elliptic or obovate, rarely suborbiculate, 13–43 × 6–26 mm, coriaceous, base cuneate or obtuse, margins revolute, veins 5–8, sunken, apex obtuse or acute, rarely retuse, abaxial surfaces grayish green, reticulate, initially villous, adaxial light green to green, intensely shiny, not glaucous, reticulate-rugose, not bulging between lateral veins, often single hairs on midrib. |
deciduous (sometimes tardily so on vigorous basal sprouts); petiole often red, 3–4 mm, strigose-pilose; blade elliptic or narrowly elliptic to sometimes elliptic-ovate or narrowly ovate, 20–48(–61) x (10–)15–29 mm, chartaceous, base cuneate or obtuse, margins flat, veins 2–4, sunken, apex minutely truncate, rarely acute, mucronate, abaxial surfaces densely grayish tomentose, adaxial dark green, shiny, not glaucous, flat between lateral veins, slightly rugose, initially pilose; fall leaves orange. |
Inflorescences | on fertile shoots 20–40 mm, usually with 4 leaves, (1 or)2 or 3(or 4)-flowered, compact. |
on fertile shoots 30–50 mm with 4–6 leaves, 3–9(–15)-flowered, compact. |
Pedicels | 4–15 mm, thin, villose-strigose. |
1–3 mm, strigose-pilose. |
Flowers | slightly pendent, 10–12 mm diam.; buds white; hypanthium cupulate, sparsely pilose-strigose; sepals: margins sparsely villous, apex obtuse or acute, surfaces sparsely pilose-strigose; petals spreading, white, glabrous; stamens 20, filaments white, anthers purple-black; styles 4 or 5. |
6.5–9 mm, open; hypanthium funnelform, silky tomentose; sepals: margins tomentose, apex cuspidate or acuminate, surfaces tomentose; petals erect-incurved, pink or reddish, base dark red, margins yellowish or off-white; stamens 17–20, filaments dark red, at least proximally, anthers white; styles (2 or)3 or 4[or 5]. |
Pomes | bright red, obovoid to broadly obovoid, rarely globose, 6–10 × 6–8 mm, shiny, not glaucous, glabrous; sepals suberect, glabrous; navel open; style remnants at apex. |
orange-red, obovoid to broadly obovoid or subglobose, rarely globose, (7–)8.2–10.1 × 6.6–7.6 mm, slightly shiny, not glaucous, pilose; sepals flat, tomentose; navel closed; style remnants 2/3 from base. |
Pyrenes | 4 or 5. |
(2 or)3 or 4[or 5]. |
2n | = 34 (Germany). |
= 68 (England). |
Cotoneaster dammeri |
Cotoneaster qungbixiensis |
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Phenology | Flowering May–Jun; fruiting Sep–Apr. | Flowering Jun–Jul; fruiting Oct–Dec. |
Habitat | Disturbed forests, grassy banks, rock roadcuts, urban waste ground | Thickets, disturbed forests |
Elevation | 0–200 m (0–700 ft) | 0–50 m (0–200 ft) |
Distribution |
WA; BC; Asia (China) [Introduced in North America; introduced also in Europe] |
BC; Asia (China) [Introduced in North America] |
Source | FNA vol. 9, p. 459. | FNA vol. 9, p. 466. |
Parent taxa | ||
Sibling taxa | ||
Name authority | C. K. Schneider: Ill. Handb. Laubholzk. 1: 761, figs. 429 h–k. (1906) | J. Fryer & B. Hylmö: J. Bot. Res. Inst. Texas 2: 53, fig. 1. (2008) |
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