Crataegus lumaria Ashe

Roundleaf hawthorn (en)

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs or trees, 50 dm. Stems: twigs: new growth ?often ± reddish young?, glabrous, 1-year old gray-brown, older dull gray; thorns on twigs ± recurved, 1-year old shiny, dark brown or black, older gray, slender, 2.5–7 cm. Leaves: petiole length 40–60% blade, glabrous, sparsely to densely minutely glandular; blade ?green?, broadly rhombic to rhombic-ovate, or narrowly ovate to broadly elliptic, 2–4(–5) cm, thin, base rounded to cuneate, lobes 3 or 4 per side, sinuses shallow, lobe apex acute, margins serrate, veins 4–6 per side, apex acute to obtuse, abaxial surface glabrous, adaxial glabrate young, soon glabrescent. Inflorescences 6–15-flowered; branches pilose; bracteoles ?usually hyaline?, linear, membranous, margins of proximal bracteoles usually stipitate-glandular. Flowers 13–18 mm diam.; hypanthium glabrous; sepals narrowly triangular, 5 mm, margins entire, glandular; stamens 10, anthers ivory; styles 2 or 3. Pomes yellowish, dull orange, or reddish, suborbicular, 7–12 mm diam., glabrous; sepals reflexed; pyrenes 2 or 3. 2n = 68.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Calcareous ridges and banks of streams. Brush, fallow pastures; at elevations from 30-300 metres.
Light 4-9
Soil humidity 4-8
Soil texture 1-5
Soil acidity 3-9
Soil nutriment -
Hardiness (USDA) 4-7

Usage

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

Cultivation

Can be grown by seedlings. Seeds needs scarification.
Mode seedlings
Germination duration (days) 180 - 730
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment scarification
Minimum temperature (C°) -30
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:275262-2
WFO ID wfo-0001004049
COL ID Z86P
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Crataegus lumaria Crataegus caesariata Crataegus jackii Crataegus chrysocarpa var. caesariata Crataegus dodgei var. lumaria