Polygonum vacciniifolium Wall. ex Meisn.

Species

Angiosperms > Caryophyllales > Polygonaceae > Polygonum

Characteristics

Subshrubs densely tufted, 10-20 cm tall, much branched. Bark black-brown, longitudinally exfoliating; branches nearly prostrate; branchlets suberect, dense. Petiole short; leaf blade elliptic, 1-2 × 0.6-1 cm, thinly leathery, midvein prominent abaxially, base narrowly cuneate, margin entire, slightly revolute; ocrea brown, tubular, ca. 1 cm, membranous, veins numerous, large, apex oblique, not ciliate, usually lacerate. Inflorescence terminal, spicate, lax, 4-8 cm, 6-8 mm in diam.; bracts narrowly ovate, membranous, apex acute, each 1-or 2-flowered. Pedicels longer than bracts. Perianth purple-red, 5-parted; tepals narrowly elliptic, 3.5-4.5 mm. Stamens 8, exserted; anthers purple. Styles 3; stigmas capitate. Achenes included in persistent perianth, dull, narrowly ellipsoid, trigonous, 3-4 mm. Fl. Aug-Sep, fr. Sep-Oct.
Life form -
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0 - 1.5
Mature height (meter) 0.1 - 0.5
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 4-9
Soil humidity -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 7-8

Usage

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

Cultivation

Can be grown by divisions.
Mode divisions
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 vacciniifolium world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:60468107-2
WFO ID wfo-0001245491
COL ID 4F9YW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polygonum vacciniifolium Persicaria vacciniifolia