Hypericum prolificum L.

Shrubby st. johnswort (en)

Species

Angiosperms > Malpighiales > Hypericaceae > Hypericum

Characteristics

Diffusely branched shrub to 2 m, the twigs sharply 2-edged; lvs articulate at the base, linear to oblong or narrowly elliptic, 3–6 cm × 4–15 mm, usually abruptly narrowed to a short petiole; infl a small terminal cyme of mostly 3–7 fls, often with additional cymules from the upper axils; pet 7–10 mm; styles 3(4), connate at the base and forming a beak on the fr; fr mostly 7–14 mm, quasi-3(4)-locular, the partitions meeting in the center but not joined; 2n=18. Many habitats, from swamp-margins to cliffs and woods; N.Y. to s. Mich. and Minn., s. to Ga. and La. July–Sept. (H. spathulatum)
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0 - 1.5
Mature height (meter) 1.0
Root system -
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 5-7
Soil humidity 8-8
Soil texture -
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 7-10

Usage

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

Cultivation

Can be grown by cuttings.
Mode cuttings
Germination duration (days) 30 - 90
Germination temperacture (C°) 16 - 17
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Hypericum prolificum leaf picture by antigrafika (cc-by-sa)
Hypericum prolificum leaf picture by Larry Johnson (cc-by-sa)
Hypericum prolificum leaf picture by barb mck (cc-by-sa)

Flower

Hypericum prolificum flower picture by Shirley Hutcherson (cc-by-sa)
Hypericum prolificum flower picture by Shirley Hutcherson (cc-by-sa)
Hypericum prolificum flower picture by Cara P (cc-by-sa)

Distribution

Hypericum prolificum world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:433747-1
WFO ID wfo-0001295908
COL ID 3NQ29
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Brathys prolifica Myriandra spathulata Hypericum spathulatum Hypericum cryptopetalum Myriandra prolifica Myriandra prolifica var. spathulata Hypericum kalmianum var. majus Hypericum prolificum