Crataegus pruinosa (H.L.Wendl.) K.Koch

Waxyfruit hawthorn (en)

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs or trees, ?dense, often suberect?, 20–70 dm. Stems: ?compound thorns on trunks present?; twigs: new growth reddish brown, 1-year old dull purple-brown, 2-years old dull gray, older paler; thorns on twigs straight to slightly recurved, 2-years old deep purple to shiny black, usually ± fine, 3–5 cm. Leaves: petiole length 50–66% blade, sparsely glandular; blade trullate to ovate, ovate-oblong, or broadly rhombic, rarely ± deltate, 2–6(–7) cm, subcoriaceous, base broadly cuneate to subtruncate to weakly subcordate, lobes (1–)3 or 4 per side, sinuses shallow to deeper, lobe apex acute, sometimes ± obtuse, margins serrate, veins 5 or 6 per side (except smaller leaves), apex acute, surfaces glabrous (except var. virella). Inflorescences 5–10-flowered; branches glabrous, sometimes sparsely villous; bracteoles caducous, ?usually few?, margins short-stipitate-glandular. Flowers 15–25 mm diam.; sepals narrowly triangular, 5–6 mm, margins usually entire or subentire, rarely glandular-serrate, abaxially glabrous; stamens (10 or)20, anthers pale pink to bright rose or dull purple, sometimes cream, 0.6–0.8 mm; styles 3–5. Pomes greenish with pink or mauve areas, sometimes bright crimson or scarlet, ?often rather angular?, 10–20 mm diam., highly pruinose, ?not punctate?; ?flesh hard?; sepals on collar, spreading; pyrenes 3–5.
More
Arborescent shrub or small tree to 8 m, with intricately thorny branches; lvs firm, mostly rounded or truncate to subcordate at base, rather broadly ovate or deltoid to rhombic or elliptic, with shallow lateral lobes, mostly 2.5–6 × 2–5 cm, usually glabrous from the first; petiole 1/3 to nearly as long as the blade; fls 1.2–2 cm wide, in small, nearly simple, glabrous cymes; sep narrow, entire or nearly so; fr red or sometimes greenish, mostly 1–1.5 cm thick, with prominent, usually elevated cal; nutlets (2)3–5; 2n=51, 68. Nf. to N.C., w. to Wis. and Okla. (C. compacta; C. crawfordiana; C. disjuncta; C. franklinensis; C. gattingeri; C. gaudens; C. jesupii; C. leiophylla; C. mackenzii; C. milleri; C. platycarpa; C. porteri; C. rugosa; C. virella)
A small tree. It grows 6 m tall. It has sharp thorns. They are 25 mm long. The leaves are 6 cm long and oval in shape. They have sharp teeth. There are shallow lobes near the tips. The leaves have red tints when young and become dark green. The flowers are white and in clusters 12 mm wide. The fruit are red.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 5.5 - 6.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Thickets and rocky ground in open woods. Slopes of low hills, often in limestone soils. Open scrub, light woodland shade; at elevations from 20-1,300 metres
More
Temperate. It suits hardiness zones 5-9.
Light 4-9
Soil humidity 3-8
Soil texture 1-5
Soil acidity 3-9
Soil nutriment -
Hardiness (USDA) 5-8

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°) -27
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Crataegus pruinosa unspecified picture

Distribution

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

Conservation status

Crataegus pruinosa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:77085498-1
WFO ID wfo-0000985859
COL ID Z8C5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Crataegus pruinosa Crataegus cicur Crataegus sitiens Crataegus arcana Mespilus pruinosa Crataegus aspera Crataegus congesta Crataegus crawfordiana Crataegus deltoides Crataegus georgiana Crataegus littoralis Crataegus parvula Crataegus porteri Crataegus kellermanii Crataegus saundersiana Crataegus callida Crataegus rustica Crataegus gaudens Crataegus vicinalis Crataegus haemacarpa Crataegus leiophylla Crataegus rugosa Crataegus coccinea var. pruinosa Crataegus mackenzii var. bracteata Crataegus porteri var. caerulescens Crataegus pruinosa var. congesta Crataegus pruinosa var. grandiflora Crataegus pruinosa var. porteri Crataegus suborbiculata var. saundersiana Crataegus pruinosa f. pruinosa Crataegus mackenziei var. aspera Crataegus pruinosa var. conjuncta Crataegus pruinosa var. latisepala Crataegus pruinosa var. leiophylla Crataegus pruinosa var. pruinosa Crataegus pruinosa var. parvula Crataegus gattingeri var. rigida

Lower taxons

Crataegus pruinosa var. virella Crataegus pruinosa var. philadelphica Crataegus pruinosa var. magnifolia