Crataegus margarettae Ashe

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs, 60–70 dm. Stems: twigs: new growth ?becoming shiny, brownish tan by fall in 1st year?, glabrous, 1-year old brownish gray, older dull gray; thorns on twigs ?few to numerous?, straight to recurved, 1-year old blackish, ± shiny, slender, 2.5–5 cm. Leaves: petiole length 30–60% blade, glabrous, usually with small glands at first, becoming eglandular, ?glands ± caducous, small?; blade ?green to bluish green?, suborbiculate, ovate, or obovate, rarely elliptic-rhombic to elliptic or lance-elliptic, 3–5 cm (less than 2.5 in var. meiophylla), subcoriaceous, base cuneate to broadly cuneate, lobes 1–3(or 4) per side, sinuses usually shallow, sometimes deep, lobe apex obtuse to angled, margins crenate to finely, sharply serrate, veins 3 or 4 per side, apex subacute to obtuse, abaxial surface glabrous, adaxial ± sparsely appressed-short-pubescent young, glabrescent. Inflorescences 6–15-flowered; branches glabrous, rarely pubescent; bracteoles ?late caducous?, linear, subherbaceous, margins glandular. Flowers (8–)12–17 mm diam.; hypanthium glabrous; sepals narrowly triangular, 4–5 mm, margins entire or subentire, glandular, ?abaxially glabrous?; stamens 20, anthers ivory; styles 2 or 3(or 4). Pomes yellow, orange-red, red, or dull burgundy, broadly ellipsoid to suborbicular, 7–12 mm diam., glabrous; sepals reflexed, ?often on collar?; pyrenes 2–4. 2n = 34.
Life form annual
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 6.0 - 7.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

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

Conservation status

Crataegus margarettae threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:68594-2
WFO ID wfo-0001010484
COL ID Z876
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crataegus margarettae Crataegus evansiana Crataegus margarettae f. margarettae Crataegus margarettae var. brownii Crataegus margarettae var. meiophylla Crataegus margarettae var. margarettae Crataegus margarettae var. angustifolia