Polygonum douglasii subsp. johnstonii (Munz) J.C.Hickman

Subspecies

Angiosperms > Caryophyllales > Polygonaceae > Polygonum > Polygonum douglasii

Characteristics

An annual hermaphrodite deciduous herb.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) -
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) 4-9

Usage

Uses medicinal
Edible -
Therapeutic use Nose Medicine (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 21 - 60
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Polygonum douglasii subsp. johnstonii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:923706-1
WFO ID wfo-0000489505
COL ID 4L9XS
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Polygonum sawatchense Polygonum douglasii subsp. johnstonii Polygonum douglasii var. johnstonii