Crataegus reverchonii Sarg.

Reverchon's hawthorn (en)

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs, 10–30(–80) dm. Stems: twigs: new growth glabrous, 1-year old dark gray; thorns on twigs slightly reflexed, 2-years old blackish, usually stout, 3–6 cm. Leaves: petiole 2–5 mm, length 7–11% blade, glabrous, eglandular; blade (on extension shoots) ± orbiculate to broadly elliptic, (on short shoots) ± orbiculate to broadly oblong-elliptic, 2–6 cm, very coriaceous, base broadly cuneate, lobes 0, margins serrulate in distal 1/2, venation semicamptodromous, veins 5 or 6 per side, apex subacute to obtuse, surfaces sparsely hairy young, glabrescent. Inflorescences 8–15-flowered; branches usually glabrous; bracteoles linear, ?small?, margins short-stipitate-glandular. Flowers 8–12 mm diam.; hypanthium glabrous, sometimes slightly pilose; sepals 4 mm, margins subentire, abaxially glabrous; stamens 10–15(–20), anthers cream, rose, or red; styles (2 or)3–5. Pomes red to orange-red, suborbicular, 10 mm diam., glabrous; sepals ?persistent?, patent or reflexed; pyrenes (1–)3–5.
More
A shrub or small tree. It has many branches and forms thickets. The crown is rounded. It grows 7 m high. The trunk is 10 cm wide. The bark is grey to orange-brown. It is scaly. The leaves are 3-4 cm long and 2-2.5 cm wide. They are narrowly oval and rounded at the tip. There is a short point at the base. There are double teeth along the edge. The leaves are shiny and dark green above and dull and paler underneath. The flowers are 12 mm wide and have 5 white petals. The fruit are 10 mm across. They are shiny and dull red with dark red dots.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.1
Mature height (meter) 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Rocky or sandy ground on slopes or in drainage ways. Mesic areas in grasslands, by streams, brush; at elevations from 20-200 metres.
More
Temperate. It grows in moist soils along streams and on rocky hillsides.
Light 4-9
Soil humidity 4-8
Soil texture 1-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-10

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

Distribution

Crataegus reverchonii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:68899-2
WFO ID wfo-0001010549
COL ID Z8DB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crataegus reverchonii Crataegus discolor Crataegus stevensiana Crataegus reverchonii var. discolor Crataegus reverchonii var. stevensiana

Lower taxons

Crataegus reverchonii var. palmeri Crataegus reverchonii var. mohrii