Crataegus okanaganensis j.b.phipps & o'kennon

Okanagan valley hawthorn (en)

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs, ?often multi-trunked?, 30–60 dm. Stems: twigs: new growth sparsely pubescent, 1-year old mid to dark brown; thorns on twigs recurved, ?deep brown, shiny young?, usually stout, 2–4(–5) cm. Leaves: petiole 1–2 cm, sparsely hairy, eglandular or glandular when young; blade ?glossy especially when young, expanding leaves often reddish, glabrescent?, ± ovate to ovate-rhombic or ± oblong, 3.5–6 cm, ± coriaceous, base rounded to cuneate, lobes 0–4 per side (3–4 per side, well defined in ± ovate to ovate-rhombic leaves; 0–3 per side, distinct in apical 1/2 only in ± oblong leaves), lobe apex acute, margins finely, doubly serrate, veins 4 or 5 per side, ?± impressed adaxially?, apex acute, abaxial surface glabrous, veins hairy, adaxial densely appressed-hairy. Inflorescences 10–20-flowered; branches ± villous, ?gland-dotted?; bracteole margins glandular (glands near base stipitate only in larger bracteoles). Flowers ?notably cup-shaped young?, 12–15 mm diam.; hypanthium villous (at base) or glabrous; sepals narrowly triangular, 4–6 mm, margins finely glandular-serrate, abaxially sparsely hairy; stamens 5 or 10, anthers ivory, rarely very pale pink; styles 2–4. Pomes bright red young (mid late Aug), older usually burgundy to deep purple, sometimes almost black (mid Sep), ovoid and 8 mm diam., or orbicular and 10 mm diam., glabrous or hairy; sepals reflexed, sometimes erect-patent, narrow, 5–7 mm; pyrenes 2–4, sides ± eroded.
Life form annual
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0 - 6.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 3-7
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

Mode -
Germination duration (days) 180 - 730
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Crataegus okanaganensis j.b.phipps & o'kennon world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:316581-2
WFO ID wfo-0000987033
COL ID 7NFP8
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Crataegus okanaganensis j.b.phipps & o'kennon