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Fang's cotoneaster

Stern's cotoneaster

Habit Shrubs, 2–2.5 m. Stems erect, arching, spreading; branches distichous, maroon, purple, or brown, initially tomentose-pilose. Shrubs, 1.5–4 m. Stems erect, arching, stiff; branches distichous, maroon, whitish 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.

persistent;

petiole 4–6 mm, tomentose-pilose;

blade elliptic to broadly ovate, (18–)25–52(–56) x (12–)16–28(–34) mm, coriaceous, base obtuse or cuneate, margins recurved, veins 4–6, deeply sunken, apex acute or acuminate, abaxial surfaces whitish tomentose, adaxial dark green, slightly shiny, not glaucous, on vigorous shoots usually bulging slightly between lateral veins (unless shaded), very rugose, pilose.

Inflorescences

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

on fertile shoots 25–70 mm with 3–5 leaves, 7–20-flowered, compact.

Pedicels

2–5 mm, tomentose-pilose.

1–4 mm, tomentose-pilose.

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).

(5–)6–7.5 mm, opening small;

hypanthium cupulate, silky tomentose;

sepals: margins villous, borders purple, glabrous, apex acute or acuminate, surfaces silky tomentose;

petals erect-incurved, pink to red, base dark red (with minute black dots), margins erect-incurved, pink or white;

stamens 20, filaments red, distally pink or whitish, anthers white, sutures pink-tinged;

styles (2 or)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 orange, eventually orange-red, subglobose to depressed-globose or globose, 6–10 × 6–10 mm, base rounded, shiny, not glaucous, pilose;

sepals flat, tomentose; forming 5-pointed star over closed navel;

style remnants 3/4 from base.

Pyrenes

[1 or]2(or 3).

(2 or)3 or 4(or 5).

Cotoneaster fangianus

Cotoneaster sternianus

Phenology Flowering May; fruiting Oct–Nov. Flowering Jun–Jul; fruiting Oct–Jan.
Habitat Disturbed mesic forests Mossy cliffs, thickets, hedges, urban waste ground
Elevation 0–200 m (0–700 ft) 0–200 m (0–700 ft)
Distribution
from FNA
OR; Asia (China) [Introduced in North America; introduced also in Europe]
[BONAP county map]
from FNA
BC; Asia (China, Myanmar) [Introduced in North America; introduced also in Europe, Pacific Islands (New Zealand)]
[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.)

Cotoneaster sternianus is similar to C. franchetii, a species with more elongated pomes, uniformly pink or purple anthers, and less textured leaves.

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

Source FNA vol. 9, p. 467. FNA vol. 9, p. 466.
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. tengyuehensis, C. transens, C. vestitus, C. villosulus, C. ×suecicus
Synonyms C. franchetii var. sternianus
Name authority T. T. Yu: Acta Phytotax. Sin. 8: 219. (1963) (Turrill) Boom: Jaarb. Ned. Dendrol. Ver. 20: 81. (1957)
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