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Fang's cotoneaster

cotoneaster, Tengyueh cotoneaster

Habit Shrubs, 2–2.5 m. Stems erect, arching, spreading; branches distichous, maroon, purple, or brown, initially tomentose-pilose. Shrubs, 2–2.5 m; crown ± rounded.
Stems

erect, arching, long;

branches distichous, grayish maroon, initially densely strigose.

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 (sometimes tardily so on vigorous shoots);

petiole 1–4 mm, strigose;

blade ovate or elliptic, (25–)30–50(–61) x 12–32 mm, chartaceous, base cuneate or rounded, margins flat, veins 3–5, deeply sunken, apex acuminate or acute, abaxial surfaces grayish green, villose-strigose or sparsely to moderately gray-tomentose, adaxial green to dark green, shiny, not glaucous, flat or faintly bulging between lateral veins, pilose-strigose;

fall leaves yellow to orange.

Inflorescences

on fertile shoots 20–30 mm, usually with 2 or 3 leaves, 3–15-flowered, compact.

on fertile shoots 25–40 mm with (3 or)4 leaves, 3–7(–9)-flowered, compact.

Pedicels

2–5 mm, tomentose-pilose.

1–4 mm, densely 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 or ascending, [5–]6–8 mm, opening small;

hypanthium cupulate, strigose;

sepals: margins villous, borders reddish brown, glabrous, apex acuminate or cuspidate, surfaces strigose;

petals erect-incurved, pink to red, base dark pink or red, rarely dark red or maroon, margins white;

stamens 20 or 21, filaments pink or pale pink, whitish distally, anthers white;

styles (2 or)3–5.

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.

spreading or pendent, bright red, broadly obovoid or subglobose, rarely oblong-obovoid, 6.3–10.4 × 5.8–9.1 mm, shiny, not glaucous, sparsely strigose;

sepals flat or suberect, strigose;

navel closed;

style remnants 2/3 from base.

Pyrenes

[1 or]2(or 3).

(2 or)3–5.

2n

= 68 (Germany).

Cotoneaster fangianus

Cotoneaster tengyuehensis

Phenology Flowering May; fruiting Oct–Nov. Flowering May–Jun; fruiting Sep–Feb.
Habitat Disturbed mesic forests Thickets, creek banks, open forests, edges
Elevation 0–200 m (0–700 ft) 0–50 m (0–200 ft)
Distribution
from FNA
OR; Asia (China) [Introduced in North America; introduced also in Europe]
[BONAP county map]
from FNA
WA; Asia (China) [Introduced in North America; introduced also in Europe]
[BONAP county map]
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) confused Cotoneaster tengyuehensis with C. glomerulatus W. W. Smith, a species with small fruits 5 mm in diameter, with 5 pyrenes and styles, and slightly smaller leaves to 40–50 mm. In the flora area, C. tengyuehensis is more likely to be mistaken for C. franchetii, which is a true evergreen with orange-red, obovate to obconic fruits, and pink to purple stamens. Naturalized shrubs of C. tengyuehensis drop their foliage in midwinter.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 9, p. 467. FNA vol. 9, p. 465.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Maleae > Cotoneaster Rosaceae > subfam. Amygdaloideae > tribe Maleae > Cotoneaster
Sibling taxa
C. adpressus, C. atropurpureus, C. cochleatus, C. conspicuus, C. crispii, C. dammeri, C. dielsianus, C. divaricatus, C. franchetii, C. frigidus, C. gamblei, C. hjelmqvistii, C. hodjingensis, C. horizontalis, C. integrifolius, C. lacteus, C. lucidus, C. magnificus, C. melanocarpus, C. miniatus, C. monopyrenus, C. nitens, C. pannosus, C. qungbixiensis, C. rehderi, C. salicifolius, C. simonsii, C. sternianus, C. tengyuehensis, C. transens, C. vestitus, C. villosulus, C. ×suecicus
C. adpressus, C. atropurpureus, C. cochleatus, C. conspicuus, C. crispii, C. dammeri, C. dielsianus, C. divaricatus, C. fangianus, C. franchetii, C. frigidus, C. gamblei, C. hjelmqvistii, C. hodjingensis, C. horizontalis, C. integrifolius, C. lacteus, C. lucidus, C. magnificus, C. melanocarpus, C. miniatus, C. monopyrenus, C. nitens, C. pannosus, C. qungbixiensis, C. rehderi, C. salicifolius, C. simonsii, C. sternianus, C. transens, C. vestitus, C. villosulus, C. ×suecicus
Name authority T. T. Yu: Acta Phytotax. Sin. 8: 219. (1963) J. Fryer & B. Hylmö: Watsonia 21: 338. (1997)
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