Cotoneaster adpressus Bois

Creeping cotoneaster (en), Cotonéaster apprimé (fr)

Species

Angiosperms > Rosales > Rosaceae > Cotoneaster

Characteristics

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 deciduous; petiole 1–2 mm, glabrescent; blade elliptic or ovate, rarely suborbiculate, 8–15 x 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 6–10 mm with 2 or 3 leaves, 1(or 2)-flowered, ?subsessile?. Pedicels 0–1.5 mm, glabrate. Flowers 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, broadly obovoid to globose, 6–7 mm, shiny, not glaucous, ?succulent?, glabrous; sepals suberect, glabrous; navel open; style remnants 4/5 from base. Pyrenes 2(or 3). 2n = 34 (Sweden).
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Shrubs deciduous, prostrate, irregularly branched. Branchlets reddish brown or grayish brown to grayish black, terete, slender, initially strigose, glabrous when old. Petiole 1–2 mm, glabrous or pilose; stipules caducous, subulate, nearly as long as petioles; leaf blade broadly ovate or obovate, rarely elliptic, 5–15 × 4–10 mm, thinly papery, midvein raised abaxially and impressed adaxially, abaxially sparsely pubescent or glabrous, adaxially glabrous, base cuneate, margin entire and undulate, apex obtuse or ± acute. Inflorescences 1-or 2-flowered. Flowers subsessile, 7–8 mm in diam. Hypanthium campanulate, abaxially sparsely pubescent. Sepals ovate-triangular, apex acute, shorter than petals. Petals erect, pink, obovate, 4–5 mm and nearly as broad, apex emarginate or obtuse. Stamens ca. 10–15, shorter than petals. Ovary pubescent apically; styles 2, free, not exceeding stamens. Fruit bright red, subglobose, 7–9 mm in diam., glabrous, pyrenes 2, rarely 3. Fl. May–Jun, fr. Aug–Sep. 2n = 68.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.5 - 2.5
Mature height (meter) 0.1 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.2
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 6-8
Soil humidity 3-6
Soil texture 1-4
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 5-9

Usage

Uses environmental use medicinal
Edible -
Therapeutic use Hypoglycemic agents (whole plant excluding root)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 180 - 365
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Cotoneaster adpressus leaf picture by Diego Alex (cc-by-sa)

Distribution

Cotoneaster adpressus world distribution map, present in Canada, Switzerland, China, Germany, India, Norway, Nepal, Pakistan, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:722395-1
WFO ID wfo-0001002295
COL ID YXTJ
BDTFX ID 19138
INPN ID 92634
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cotoneaster garhwalensis Cotoneaster adpressus Cotoneaster kerstanii Cotoneaster duthieanus Cotoneaster taoensis Cotoneaster nan-shan Cotoneaster horizontalis var. adpressus

Lower taxons

Cotoneaster adpressus var. praecox