Crataegus sheila-phippsiae j.b.phipps & o'kennon

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs, arborescent, 30–50 dm, or thicket-forming, 15–30 dm. Stems: twigs: new growth ?green?, glabrous, 1-year old shiny, brown, older gray; thorns on twigs straight or slightly recurved, 1-year old shiny, dark blackish brown, older deep gray, moderately slender to stout, 2–6 cm. Leaves: petiole length 28–40% blade, pubescent, sparsely to densely persistently glandular; blade ?green mature?, ± rhombic, (2–)3.5–5(–6) cm (2.5–5 cm at flowering), thin-chartaceous, base cuneate, lobes 2–4 per side, sinuses: max LII 20%, lobe apex acute, margins serrate, ?teeth small?, veins 4 or 5 per side, apex acuminate, abaxial surface glabrous, hairy in axils and parts of main veins, adaxial scabrous. Inflorescences 3–18-flowered; branches glabrous or sparsely pilose young; bracteoles linear, membranous, margins sessile-glandular. Flowers 14–20 mm diam.; hypanthium glabrous; sepals triangular, length not recorded, margins barely glandular-serrate; stamens 18–20, anthers white to pale pink, sometimes medium pink or puce; styles 4 or 5 (arising from small tuft of hairs). Pomes brilliant orange-red or crimson scarlet early, becoming bright red or dark burgundy, suborbicular, 10–12 mm diam., glabrous; sepals spreading; pyrenes 4 or 5.
Life form annual
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0 - 5.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

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 sheila-phippsiae j.b.phipps & o'kennon world distribution map, present in Canada

Identifiers

LSID urn:lsid:ipni.org:names:60436255-2
WFO ID wfo-0001011118
COL ID Z8FB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crataegus sheila-phippsiae j.b.phipps & o'kennon

Lower taxons

Crataegus sheila-phippsiae var. saskatchewanensis j.b.phipps & o'kennon