Crataegus turnerorum Enquist

Turner's hawthorn (en)

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs or trees, 20–60 dm. Stems: trunk bark gray, plated; twigs straight or slightly flexuous, new growth glabrous, 1-year old light brown, 2-years old shiny, older pale ashy gray; thorns on twigs numerous, straight to slightly recurved, 2-years old black, slender, 2–5 cm. Leaves deciduous; petiole 25–33% length of blade, pubescent, eglandular; blade broadly elliptic to ovate or narrowly obovate, 2–3 cm, thin, base broadly cuneate, lobes 2 or 3 per side, sinuses very shallow, lobe apex subacute to broadly acute, margins serrate except near base, teeth small, acute or subacute, eglandular, venation craspedodromous, veins 3 or 4 per side, apex broadly acute, abaxial surface glabrous, adaxial pubescent young, glabrescent. Inflorescences 3–12-flowered, flattish, convex panicles; branches sparsely pubescent or glabrous; bracteoles caducous, few, very narrowly elliptic, membranous, margins glandular. Flowers 15 mm diam.; hypanthium glabrous; sepals narrowly triangular, ca. 2/3 length of petals, margins ± entire with some stipitate glands to glandular-serrate, adaxial surface pubescent; stamens 15, anthers purple; styles 3–5. Pomes red, suborbicular (slightly oblate), 10–13 mm diam., glabrous; flesh mealy; sepals or sepal remnants spreading; pyrenes 3–5, dorsally grooved, sides plane.
Life form
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 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 -

Environment

Light 4-9
Soil humidity 3-7
Soil texture 1-4
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 turnerorum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:275266-2
WFO ID wfo-0001010630
COL ID Z8JK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crataegus turnerorum