Crataegus nananixonii j.b.phipps & o'kennon

Nixon's hawthorn (en)

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs, 10–15 dm. Stems ?intricately branched?; twigs: new growth reddish green, pubescent, 1-year old gray to gray-brown, older gray; thorns on twigs straight to slightly recurved, 2-years old dark dull gray, fine, 1–3 cm. Leaves: petiole length 20–40% blade, pubescence not recorded, gland-dotted; blade rhombic-ovate, 1.5–3.5 cm, base broadly cuneate, lobes 0 or with sinuses very shallow, margins ± irregularly serrate, ?some teeth gland-tipped, especially proximally?, veins 3 per side, apex acute, abaxial surface glabrous, veins sparsely pubescent, adaxial sparsely scabrous young, glabrescent. Inflorescences 3–5-flowered; branches pubescent; bracteole margins short-stipitate-glandular. Flowers 12–15 mm diam.; hypanthium glabrous; sepals ?lanceolate?, 4–5 mm, margins glandular, ?abaxially glabrous?; ?petals slightly clawed?; stamens 10, anthers rose-purple; styles 3–5. Pomes coppery red, suborbicular, 10 mm diam., glabrous; sepal ?remnants present or not?, on collar, patent-reflexed; pyrenes 3–5.
Life form annual
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 1.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
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 nananixonii j.b.phipps & o'kennon world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:317238-2
WFO ID wfo-0001010514
COL ID 7SPNC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crataegus nananixonii j.b.phipps & o'kennon