Polygonum polygaloides subsp. kelloggii (Greene) J.C.Hickman

Kellogg's knotweed (en)

Subspecies

Angiosperms > Caryophyllales > Polygonaceae > Polygonum > Polygonum polygaloides

Characteristics

Stems 2-15 cm. Inflorescences mostly terminal, prolonged almost to base of stems, ovoid, 3-15 × 5-15 mm, or ± continuous; bracts ± patent, linear to linear-lanceolate, 7-25 mm, soft, margins flat or revolute, green, not scarious; lateral and midveins inconspicuous. Flowers: perianth 1.5-2.3 mm; tube 19-34% of perianth length; tepals pink or white; perianth tube and base of tepals smooth; stamens 3. Achenes light yellow to greenish brown, ovate, 1.3-1.7 mm, smooth to obscurely longitudinally reticulate, shiny.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
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) 4-10

Usage

Uses -
Edible -
Therapeutic use -
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 polygaloides subsp. kelloggii world distribution map, present in Canada, China, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:923712-1
WFO ID wfo-0000489152
COL ID 4L9JT
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polygonum kelloggii Polygonum minutissimum Polygonum unifolium Polygonum polygaloides subsp. kelloggii