Cotoneaster ambiguus Rehder & E.H.Wilson

Species

Angiosperms > Rosales > Rosaceae > Cotoneaster

Characteristics

Shrubs deciduous, to 2 m tall. Branchlets reddish brown or grayish brown, slender, initially strigose, subglabrous or glabrous when old. Petiole 2–5 mm, pilose; stipules usually caducous, lanceolate or linear-lanceolate, pilose; leaf blade elliptic-ovate to rhombic-ovate, 2.5–6 × 1.5–3 cm, abaxially initially pubescent, glabrate, adaxially pilose, soon glabrescent, base broadly cuneate, apex acuminate or acute. Corymbs 1.5–3.5 cm, 5–10-flowered; rachis and pedicels pilose; bracts caducous, lanceolate or linear, 2–3 mm, pilose. Pedicel 4–6 mm. Flowers 7–8 mm in diam. Hypanthium abaxially initially pilose, finally glabrous or subglabrous. Sepals triangular, 1–1.5 × 2–2.5 mm, apex acute. Petals erect, white, stained pinkish, broadly ovate or suborbicular, 3–4 mm and ca. as broad, base shortly clawed, apex obtuse or erose. Stamens 20, slightly shorter than petals. Ovary densely pilose apically; styles 2–5, free, somewhat not exceeding stamens. Fruit black, ovoid or subglobose, 8–10 × 6–7 mm, pilose apically; pyrenes 2 or 3, rarely 4 or 5. Fl. May–Jun, fr. Sep–Oct.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.5 - 2.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 180 - 365
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Cotoneaster ambiguus world distribution map, present in China, Germany, Norway, and Sweden

Identifiers

LSID urn:lsid:ipni.org:names:722406-1
WFO ID wfo-0001002380
COL ID YXTX
BDTFX ID 119971
INPN ID 993170
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cotoneaster hsingshangensis Cotoneaster pseudoambiguus Cotoneaster acutifolius var. ambiguus Cotoneaster ambiguus