Crataegus roribacca Ashe

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Trees, 40–70 dm. Stems: ?trunk bark dark gray, thin, scaly?; twigs: new growth not recorded, 1-year old mid brown, ± glossy, older dark gray; thorns on twigs ?few?, 1-year old color not recorded, 3–5 cm. Leaves: petiole length 50–60% blade, glandularity not recorded; blade ovate to broadly elliptic (suborbiculate or broadly deltate on extension shoots), 4–5.5 cm (larger on extension shoots), base broadly cuneate to truncate (truncate to cordate on extension shoots), lobes 0, or 3 or 4 per side, sinuses shallow, lobes often mere apiculi, margins serrate, ?teeth 1.5–3 mm?, veins 6 or 7 per side, apex acuminate, adaxial surface densely crisp-pubescent young, glabrescent. Inflorescences 8–20-flowered; branches glabrous; bracteoles few, linear. Flowers 13–15 mm diam., hypanthium glabrous; sepal length not recorded, margins entire, abaxially glabrous; stamens 20, anthers purple; styles 3. Pomes dark red, sometimes with orange or orange-red spots, broadly pyriform, 14–17 mm diam., ?smooth?; ?flesh pale yellow?; sepals recurved; pyrenes 3, dorsally deeply grooved.
Life form annual
Growth form tree
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 4.0 - 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) -

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 -

Identifiers

LSID urn:lsid:ipni.org:names:68921-2
WFO ID wfo-0000987166
COL ID -
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crataegus roribacca