Polygonum polygaloides subsp. confertiflorum (nutt. ex Piper) J.c.hickman

Fruitleaf knotweed (en)

Subspecies

Angiosperms > Caryophyllales > Polygonaceae > Polygonum > Polygonum polygaloides

Characteristics

Stems 2-15 cm. Inflorescences mostly confined to tips of branches, rarely interrupted and continuous from bases of branches or stems, ovoid to cylindric, 7-40 × 5-10 mm; bracts ascending to appressed, linear to linear-lanceolate, 4-11 mm, moderately rigid to rigid, margins revolute, white, scarious portion 0.25-0.4 mm wide; midvein moderately to heavily thickened, lateral veins inconspicuous. Flowers: perianth 1.8-2.2(-2.4) mm; tube 22-30% of perianth length; tepals white or red; perianth tube and base of tepals smooth or, sometimes, papillose; stamens 3. Achenes brown to dark brown, ovate-lanceolate to ovate, 1.5-2 mm, reticulate with longitudinal ridges, dull.
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) 4-9

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. confertiflorum world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:923710-1
WFO ID wfo-0000489153
COL ID 7KNKT
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polygonum confertiflorum Polygonum watsonii Polygonum polygaloides subsp. confertiflorum Polygonum kelloggii var. confertiflorum