Hypericum montanum L.

Pale st john's-wort (en), Millepertuis des montagnes (fr)

Species

Angiosperms > Malpighiales > Hypericaceae > Hypericum

Characteristics

Stout, erect perennial herb, to 1 m tall; rhizomes 0; stems woody at base, terete, not branched, glabrous. Lvs sessile, 2-5 × 0.8-2 cm, ovate to elliptic, puberulent below, glabrous above, with numerous black intramarginal glands; base ± cordate and ± amplexicaul; apex obtuse. Infl. terminal, a panicle of subcorymbose cymes, dense, glabrous; bracts and bracteoles lanceolate, usually < calyx, with prominent black glandular teeth. Sepals equal, 5-6 mm long, lanceolate-oblong, not accrescent; margin with numerous prominent black glandular teeth; apex sharply acute or shortly acuminate. Corolla 1.5-2.3 cm diam., pale yellow; petals ± obovate, eglandular or nearly so, much > sepals. Stamens in 3 bundles, < petals. Styles 3, recurving, < ovary. Capsule to 8 mm long, ovoid, dry. Seeds 0.7-1.0 mm long, cylindric, reticulate.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination
Spread epizoochory
Mature width (meter) -
Mature height (meter) 0.7 - 0.9
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

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

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity phototoxic (whole)
Animal toxicity toxic (whole)

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 10 - 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Hypericum montanum habit picture by Pietro Brignoli (cc-by-sa)

Leaf

Hypericum montanum leaf picture by Greif Stefan (cc-by-sa)
Hypericum montanum leaf picture by Henning Werth (cc-by-sa)
Hypericum montanum leaf picture by David Nabergoj (cc-by-sa)

Flower

Hypericum montanum flower picture by Cyllène Chatellier (cc-by-sa)
Hypericum montanum flower picture by Greif Stefan (cc-by-sa)
Hypericum montanum flower picture by anja john (cc-by-sa)

Fruit

Hypericum montanum fruit picture by Marijk Hoed (cc-by-sa)

Distribution

Hypericum montanum world distribution map, present in Albania, Andorra, Austria, Belgium, Belarus, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, Estonia, Finland, France, United Kingdom of Great Britain and Northern Ireland, Georgia, Greece, Croatia, Hungary, Italy, Liechtenstein, Lithuania, Luxembourg, Morocco, Netherlands, Norway, New Zealand, Poland, Portugal, Romania, Russian Federation, Serbia, Slovakia, Slovenia, Sweden, Ukraine, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:433620-1
WFO ID wfo-0000727974
COL ID 3NPV9
BDTFX ID 35331
INPN ID 103301
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Hypericum confertum Hypericum elegantissimum Adenosepalum montanum Hypericum glandulosum Hypericum montanum