Cotoneaster fangianus |
Rosaceae subfam. amygdaloideae |
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Fang'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 or trees, sometimes subshrubs or herbs. |
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. |
alternate, sometimes opposite, simple, sometimes pinnately compound; stipules present or absent. |
Inflorescences | on fertile shoots 20–30 mm, usually with 2 or 3 leaves, 3–15-flowered, compact. |
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Pedicels | 2–5 mm, tomentose-pilose. |
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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). |
torus absent or minute; carpels 1–5(–8), distinct or +/- connate (Maleae), free or +/- adnate to hypanthium (many Maleae), styles distinct or +/- connate (some Maleae); ovules (1 or)2(–5+), collateral, clustered, or biseriate. |
Fruits | follicles aggregated or not, capsules, drupes aggregated or not, aggregated drupelets, pomes, or aggregated nutlets, rarely achenes or aggregated achenes; styles persistent or deciduous, not elongate (elongate in Gillenieae). |
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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. |
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Pyrenes | [1 or]2(or 3). |
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x | = 8, 9, 15, 17. |
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Cotoneaster fangianus |
Rosaceae subfam. amygdaloideae |
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Phenology | Flowering May; fruiting Oct–Nov. | |
Habitat | Disturbed mesic forests | |
Elevation | 0–200 m (0–700 ft) | |
Distribution |
OR; Asia (China) [Introduced in North America; introduced also in Europe] |
HI; North America; Mexico; Central America; South America; Europe; Asia; Africa; Atlantic Islands (Madeira); Australia |
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.) |
Cyanogenic glycosides are usually present in Amygdaloideae; sorbitol is present. The name Amygdaloideae Arnott (1832) has priority over Spiraeoideae Arnott (1832), used by D. Potter et al. (2007), because Amygdalaceae (1820) is an earlier conserved name. Tribes 9, genera 55, species ca. 1300 (9 tribes, 38 genera, 361 species, including 20 hybrids, in the flora) (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 9, p. 467. | FNA vol. 9, p. 345. |
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Name authority | T. T. Yu: Acta Phytotax. Sin. 8: 219. (1963) | Arnott: Botany, 107. (1832) |
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