Cotoneaster fangianus |
Cotoneaster dielsianus |
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Fang's cotoneaster |
diel's cotoneaster |
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Habit | Shrubs, 2–2.5 m. Stems erect, arching, spreading; branches distichous, maroon, purple, or brown, initially tomentose-pilose. | Shrubs, 2–4 m. Stems narrowly erect, spreading; branches distichous, grayish brown, initially tomentose-pilose. |
Leaves | deciduous; petiole 2–4 mm, tomentose; blade elliptic, broadly elliptic, or ovate, rarely suborbiculate, 21–56 × 13–30 mm, subcoriaceous, base obtuse or truncate, margins flat, veins 4–6, slightly to deeply sunken, apex obtuse or acute, abaxial surfaces grayish, initially moderately to densely villous, adaxial dark green, dull, not glaucous, flat between lateral veins, slightly rugose, pilose; fall leaves yellowish. |
deciduous; petiole 2–5 mm, tomentose-pilose; blade ovate to elliptic or broadly ovate, 9–38 × 7–23 mm, coriaceous or subcoriaceous, base obtuse or cuneate, margins flat, not revolute, veins 2–4, lightly sunken, apex acute or acuminate, abaxial surfaces densely grayish tomentose, adaxial dark green to grayish green, shiny, not glaucous, flat, rarely slightly bulging, between lateral veins, slightly rugose, pilose; fall leaves bright yellow to orange or red. |
Inflorescences | on fertile shoots 20–30 mm, usually with 2 or 3 leaves, 3–15-flowered, compact. |
on fertile shoots 10–35 mm with 4 leaves, 2–7(–10)-flowered, compact. |
Pedicels | 2–5 mm, tomentose-pilose. |
1–3 mm, tomentose-strigose. |
Flowers | erect, 4–6 mm; hypanthium cupulate, densely villous; sepals: margins villous, apex acute, surfaces villous, sparsely hairy submarginally; petals erect, pink or fading whitish; stamens (16–)19 or 20, filaments pale pink or white, anthers white; styles [1 or]2(or 3). |
erect, 6–7.5 mm, closed; hypanthium funnelform, proximally tomentose-strigose, distally tomentose-pilose; sepals: margins reddish tomentose, borders purple, broad, glabrous, apex cuspidate or apiculate, surfaces pilose; petals erect-incurved, dark pink to red, base dark red, margins off-white; stamens 14–20, filaments red to dark red, anthers white; styles 3 or 4(or 5). |
Pomes | pendent, bright to dark red, obovoid to obconic, 8–10 × 8–9 mm, apex nearly flat, reflectance and coating not recorded, succulent, villous; sepals flat, margins villous, villous; navel slightly open; style remnants 2/3 from base. |
bright red, broadly obovoid, sometimes globose or depressed-globose, 5–9.1 × 5.1–8.8 mm, slightly shiny, not glaucous, pilose; sepals flat, tomentose; navel open; style remnants 1/2–2/3 from base. |
Pyrenes | [1 or]2(or 3). |
3 or 4(or 5). |
Cotoneaster fangianus |
Cotoneaster dielsianus |
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Phenology | Flowering May; fruiting Oct–Nov. | Flowering May–Jun; fruiting Aug–Mar. |
Habitat | Disturbed mesic forests | Edges of woods, disturbed forests, flood plains, thickets, waste ground, cliffs, meadows, brushy wet prairie remnants |
Elevation | 0–200 m (0–700 ft) | 0–500 m (0–1600 ft) |
Distribution |
OR; Asia (China) [Introduced in North America; introduced also in Europe] |
OR; WA; BC; Asia (China) [Introduced in North America; introduced also in Europe] |
Discussion | Reports of Cotoneaster mucronatus Franchet escaped in Oregon (P. F. Zika and E. R. Alverson 2005) are here referred to C. fangianus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
L. Lingdi and A. R. Brach (2003) included within Cotoneaster dielsianus several taxa recognized here as distinct species, including C. bradyi J. Fryer & E. C. Nelson and C. splendens Flinck & B. Hylmö. Some collections from Oregon approach an undescribed species from China but differ in fruit shape. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 9, p. 467. | FNA vol. 9, p. 466. |
Parent taxa | ||
Sibling taxa | ||
Name authority | T. T. Yu: Acta Phytotax. Sin. 8: 219. (1963) | E. Pritz ex Diels: Bot. Jahrb. Syst. 29: 385. (1900) |
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