Polygonum wallichii Meisn.

Species

Angiosperms > Caryophyllales > Polygonaceae > Polygonum

Characteristics

Herbs annual. Stems suberect or ascending, 20-30 cm tall, angulate, glabrous. Petiole 1-2 cm, not winged, usually auriculate at base; leaf blade broadly cordate or ovate-cordate, 3-5 × 2-3.5 cm, abaxially sparsely strigose, adaxially subglabrous, base subcordate, margin entire, shortly ciliate, apex acuminate; ocrea tubular, 6-8 mm, membranous, pilose, apex truncate, shortly ciliate. Inflorescence usually geminate, capitate, 5-8 mm in diam.; peduncle glabrous; bracts ovate, apex obtuse, glabrous. Perianth white, 5-parted; tepals broadly elliptic, 2-3 mm. Stamens usually 8. Styles 3, connate to below middle; stigmas capitate. Achenes black, opaque, ovoid, trigonous, 2-2.5 mm, densely punctate. Fl. Jul-Aug, fr. Aug-Oct.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

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 wallichii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:696635-1
WFO ID wfo-0001245542
COL ID 6W69S
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polygonum wallichii Persicaria microcephala var. wallichii