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bearberry cotoneaster

creeping cotoneaster

Habit Shrubs, to 0.2 m. Stems carpeting or procumbent, rooting, to 1.5 m, pliant; branches distichous or spiraled, greenish to light brown, densely lenticellate, initially pilose-strigose. Shrubs, mound-forming, to 0.3 m. Stems divaricate, prostrate to procumbent, rooting, to 0.8 m long, stiff; branches distichous, maroon, initially strigose-villous.
Leaves

persistent;

petiole 2–9 mm, villose-strigose;

blade elliptic or obovate, rarely suborbiculate, 13–43 × 6–26 mm, coriaceous, base cuneate or obtuse, margins revolute, veins 5–8, sunken, apex obtuse or acute, rarely retuse, abaxial surfaces grayish green, reticulate, initially villous, adaxial light green to green, intensely shiny, not glaucous, reticulate-rugose, not bulging between lateral veins, often single hairs on midrib.

deciduous;

petiole 1–2 mm, glabrescent;

blade elliptic or ovate, rarely suborbiculate, 8–15 × 5–12 mm, chartaceous, base rounded, margins slightly undulate, not revolute, veins 2 or 3, superficial, apex acute or obtuse, abaxial surfaces green, glabrate, midrib strigose, adaxial green, dull to slightly shiny, not glaucous, flat between lateral veins, glabrous.

Inflorescences

on fertile shoots 20–40 mm, usually with 4 leaves, (1 or)2 or 3(or 4)-flowered, compact.

on fertile shoots 6–10 mm with 2 or 3 leaves, 1(or 2)-flowered, subsessile.

Pedicels

4–15 mm, thin, villose-strigose.

0–1.5 mm, glabrate.

Flowers

slightly pendent, 10–12 mm diam.;

buds white;

hypanthium cupulate, sparsely pilose-strigose;

sepals: margins sparsely villous, apex obtuse or acute, surfaces sparsely pilose-strigose;

petals spreading, white, glabrous;

stamens 20, filaments white, anthers purple-black;

styles 4 or 5.

4–7 mm;

hypanthium funnelform, maroon, glabrate;

sepals sometimes recurved, margins villous, apex lingulate or acute, surfaces glabrous;

petals erect, dark red;

stamens 10(–13), filaments pink to red, anthers white;

styles 2(or 3).

Pomes

bright red, obovoid to broadly obovoid, rarely globose, 6–10 × 6–8 mm, shiny, not glaucous, glabrous;

sepals suberect, glabrous;

navel open;

style remnants at apex.

bright red, broadly obovoid to globose, 6–7 mm, shiny, not glaucous, succulent, glabrous;

sepals suberect, glabrous;

navel open;

style remnants 4/5 from base.

Pyrenes

4 or 5.

2(or 3).

2n

= 34 (Germany).

= 34 (Sweden).

Cotoneaster dammeri

Cotoneaster adpressus

Phenology Flowering May–Jun; fruiting Sep–Apr. Flowering Apr–May; fruiting Sep.
Habitat Disturbed forests, grassy banks, rock roadcuts, urban waste ground Disturbed ground, gravel pits
Elevation 0–200 m (0–700 ft) 0–400 m (0–1300 ft)
Distribution
from FNA
WA; BC; Asia (China) [Introduced in North America; introduced also in Europe]
[BONAP county map]
from FNA
MI; Asia (China) [Introduced in North America; introduced also in Europe]
Source FNA vol. 9, p. 459. FNA vol. 9, p. 460.
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. 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. tengyuehensis, C. transens, C. vestitus, C. villosulus, C. ×suecicus
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. tengyuehensis, C. transens, C. vestitus, C. villosulus, C. ×suecicus
Name authority C. K. Schneider: Ill. Handb. Laubholzk. 1: 761, figs. 429 h–k. (1906) Bois: Bull. Soc. Bot. France 51(sess. extraord.): cxlix, fig. [p. cl.] (1907)
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