Cotoneaster pannosus |
Cotoneaster hjelmqvistii |
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silver-leaf cotoneaster, woolly cotoneaster |
cotoneaster, hjelmquist's cotoneaster, Hjelmqvist's cotoneaster |
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Habit | Shrubs, 1–5 m. Stems erect, wide-spreading, arching, pendulous, slender; branches spiraled, purple-black, tomentose-villous. | Shrubs, 0.5–1 m. Stems ascending to erect, spreading horizontally, arching; branches usually distichous, brownish red, initially densely strigose. |
Leaves | persistent; petiole 4–7 mm, tomentose; blade elliptic, sometimes broadly elliptic, 15–35(–39) x 10–19(–26) mm, mid-coriaceous, base cuneate, margins flat, veins 4–6, usually superficial, sometimes slightly sunken, apex acute or obtuse, abaxial surfaces whitish tomentose, adaxial green to blue-green, dull, not glaucous, usually flat between lateral veins, initially sparsely pilose. |
deciduous; petiole 2–4 mm, pilose; blade broadly elliptic, on vigorous shoots orbiculate, sometimes broadly obovate, concave, 10–18(–25) x 9–15(–25) mm, chartaceous, base obtuse, margins flat, veins 3 or 4(or 5), superficial or slightly sunken, apex obtuse, mucronulate, abaxial surfaces pale green, yellowish pilose-strigose, adaxial vivid light green, shiny, not glaucous, flat between lateral veins, glabrous; fall leaves red to intense red-purple. |
Inflorescences | on fertile shoots 20–45 mm, usually with 4 leaves, (3–)5–15(–25)-flowered, compact. |
on fertile shoots 5–25 mm with 3 or 4 leaves, 1–3(or 4)-flowered, compact. |
Pedicels | 1–5 mm, tomentose. |
0.5–2(–3) mm, glabrescent. |
Flowers | [7–]8.5–10 mm diam.; buds white; hypanthium funnelform or cupulate, silky-tomentose; sepals: margins villous, borders white, narrow, membranous, apex red, cuspidate, sometimes acute or obtuse, surfaces tomentose; petals spreading, white, sometimes with hair tuft; stamens 16–20, filaments white, anthers dark pink-purple to purple; styles (1 or)2. |
5–6 mm, open; hypanthium cupulate, glabrescent; sepals: margins villous, apex green and reddish purple, acuminate or acute, surfaces glabrous; petals erect-incurved, dark pink, base red, margins pink; stamens 10–12(–16), filaments red and pale crimson, anthers white; styles 2 or 3. |
Pomes | red, globose, depressed-globose, subglobose, or broadly obovoid, 5–9.2 × 5.5–9.5 mm, shiny, not glaucous, villous; sepals suberect, tomentose; navel open; style remnants at apex. |
orange-red, usually broadly obovoid, sometimes subglobose or obovoid, 5.7–6.8[–8] x 4.9–7.2[–8] mm, shiny, not glaucous, glabrous; sepals suberect, margins villous, glabrous; navel open; style remnants 4/5 from base. |
Pyrenes | (1 or)2. |
2 or 3, distinct. |
2n | = 68 (Germany). |
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Cotoneaster pannosus |
Cotoneaster hjelmqvistii |
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Phenology | Flowering May–Aug; fruiting Oct–May. | Flowering May; fruiting Oct–Nov. |
Habitat | Thickets, meadows, sea cliffs, canyons, coastal chaparral, springs, edges, waste ground, pastures, disturbed forests | Thickets, wet prairie remnants |
Elevation | 0–800 m (0–2600 ft) | 0–200 m (0–700 ft) |
Distribution |
CA; OR; Asia (China) [Introduced in North America; introduced also in Europe, Africa (South Africa), Pacific Islands (Hawaii, New Zealand), Australia]
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OR; Asia (China) [Introduced in North America; introduced also in Europe] |
Discussion | Cotoneaster hjelmqvistii was overlooked in the Flora of China (L. Lingdi and A. R. Brach 2003). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 9, p. 455. | FNA vol. 9, p. 462. |
Parent taxa | Rosaceae > subfam. Amygdaloideae > tribe Maleae > Cotoneaster | Rosaceae > subfam. Amygdaloideae > tribe Maleae > Cotoneaster |
Sibling taxa | ||
Name authority | Franchet: Pl. Delavay., 223. (1890) | Flinck & B. Hylmö: Watsonia 18: 312. (1991) |
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