Crataegus macrosperma Ashe

Bigfruit hawthorn (en)

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs or trees, ?multi-stemmed?, 30–70 dm. Stems: twigs: new growth golden green to strongly reddish tinged, glabrous, 1-year old usually shiny, dark brown, older gray; thorns on twigs 1-year old shiny, deep brown to blackish, often black-tipped, stout to slender, 2.5–6 cm. Leaves: petiole length 30–60% blade, sparsely to densely glandular; blade ovate, 3–6(–9) cm, ?70–100% mature size at anthesis?, base subcordate, truncate, or rounded to cuneate, lobes 3–6 per side, sinuses moderately deep, lobe apex acute to acuminate, margins serrate, ?teeth numerous, small, larger ones conspicuously glandular, particularly at base, smaller ones inconspicuously gland-tipped?, veins 4–7 per side, apex acute, adaxial surface densely appressed-scabrous-pubescent young, glabrescent, rarely glabrate. Inflorescences 5–12-flowered; branches glabrous; bracteoles usually absent (even young), sometimes few to several, ?often red-tinged?, ± linear. Flowers 13–17(–22) mm diam.; hypanthium glabrous; sepals 4–5 mm, margins subentire, abaxially glabrous; stamens 5–10, anthers pink to reddish purple; styles 3–5. Pomes bright to deep red, suborbicular to ellipsoid, 8–15 mm diam.; sepals erect-patent or erose; pyrenes 3–5, dorsally shallowly grooved. 2n = 68.
More
A shrub or small tree.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 8.0
Mature height (meter) 8.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Found in a variety of habitats, including thickets and open woods, woods and river banks in dry clay soils and rich moist soils along the margins of oak woodlands.
More
It is a temperate plant.
Light 4-9
Soil humidity 4-8
Soil texture 1-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses medicinal wood
Edible fruits seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed. The seed need cold treatment. Plants can also be grafted.
Mode seedlings
Germination duration (days) 180 - 730
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment scarification
Minimum temperature (C°) -25
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Crataegus macrosperma unspecified picture

Distribution

Crataegus macrosperma world distribution map, present in Canada and United States of America

Conservation status

Crataegus macrosperma threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:68579-2
WFO ID wfo-0001010479
COL ID Z86Z
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Crataegus otiosa Oxyacantha macrosperma Crataegus atropurpurea Crataegus glaucophylla Crataegus chadsfordiana Crataegus macrosperma Crataegus fretalis Crataegus randiana Crataegus roanensis Crataegus brumalis Crataegus x fretalis Crataegus cordifolia var. macrosperma Crataegus macrosperma var. acutiloba Crataegus macrosperma var. eganii Crataegus macrosperma var. matura Crataegus macrosperma var. pastorum Crataegus macrosperma var. pentandra Crataegus macrosperma var. roanensis Crataegus roanensis var. fluviatilis Crataegus roanensis var. heidelbergensis