Crataegus rubribracteolata j.b.phipps & o'kennon

Species

Angiosperms > Rosales > Rosaceae > Crataegus

Characteristics

Shrubs, ?erect, multi-stemmed in open, wide branching in shade?, 20–30 dm. Stems: ?expanding bud-scales bright rufous-red?; twigs: new growth color not recorded, appressed-pubescent, 1-year old mid brown, 2-years old dark red-brown, older gray or dark gray; thorns on twigs usually numerous, straight to slightly curved, 1-year old dark blackish brown, ± stout, 3.5–5.5 cm. Leaves: petiole length 30–35% blade, densely pubescent in adaxial sulcus, ± sessile-glandular; blade ± ovate to ovate-trullate, 4–7 cm, ± thin, base cuneate to broadly cuneate, lobes (4 or)5 or 6 per side, sinuses moderately deep, max LII 25–33%, lobe apex acute to acuminate, margins with regular, acute teeth, often subacute mature, veins (5 or)6 or 7 per side, apex acute to acuminate, abaxial surface glabrous except for sparse hairs along midvein proximally, adaxial ± densely scabrous-pubescent young (variably persistent to maturity). Inflorescences (6–)8–12-flowered; branches ± tomentose; bracteoles ?abundant, deep orange-red or fading?, narrow, margins densely sessile-glandular. Flowers 12–15 mm diam.; hypanthium ± tomentose or densely pubescent; sepals ?greenish or pale green?, triangular, 3–5 mm, margins glandular-denticulate, ?apex ± red or paler red?, abaxially glabrous, adaxially pubescent; stamens 10, anthers ivory or cream; styles 3 or 4. Pomes ?3–10 in ± compact infructescences?, red young, bright red or orange-scarlet in shade mature, ± ellipsoid to suborbicular, 9–13 mm tall, densely to sometimes sparsely pubescent; sepals appressed, ?3–5 mm?; pyrenes 3 or 4(or 5), sides ± deeply concave.
Life form annual
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.01 - 0.01
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 -

Distribution

Crataegus rubribracteolata j.b.phipps & o'kennon world distribution map, present in Canada

Identifiers

LSID urn:lsid:ipni.org:names:77095422-1
WFO ID wfo-0001014440
COL ID 6BB7V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crataegus rubribracteolata j.b.phipps & o'kennon