Helleborus niger subsp. macranthus (Freyn) Schiffn.

Hellébore à grandes fleurs (fr)

Subspecies

Angiosperms > Ranunculales > Ranunculaceae > Helleborus > Helleborus niger

Characteristics

A perennial hermaphrodite evergreen herb. It grows 0.2-0.3m high.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.3
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 4-6
Soil humidity 5-7
Soil texture 1-2
Soil acidity -
Soil nutriment -
Hardiness (USDA) 3-3

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings. Seeds needs soaking.
Mode divisions seedlings
Germination duration (days) 42
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Helleborus niger subsp. macranthus world distribution map, present in Croatia and Italy

Identifiers

LSID urn:lsid:ipni.org:names:711342-1
WFO ID wfo-0000735067
COL ID 5HMYG
BDTFX ID 118878
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Helleborus macranthus Helleborus niger subsp. macranthus