Polygonum sinomontanum Sam.

Species

Angiosperms > Caryophyllales > Polygonaceae > Polygonum

Characteristics

Herbs perennial. Rhizomes horizontal, black-brown, large, ca. 12 cm, 1-3 cm in diam. Stems usually numerous from rhizome, erect, 30-50 cm tall, glabrous, simple, sometimes branched at lower part. Basal leaves long petiolate; petiole 4-14 cm; leaf blade broadly lanceolate or lanceolate, 6-16 × 1-3 cm, subleathery, abaxially sometimes puberulent along veins, adaxially glabrous, both surfaces with prominent veins, base cuneate or truncate, decurrent along petiole forming a narrow wing, margin revolute, apex acuminate. Cauline leaves shortly petiolate, lanceolate, smaller; upper leaves subsessile; ocrea brown throughout, tubular, 3-6 cm, membranous, apex oblique, not ciliate, cleft to base. Inflorescence terminal, spicate, 2-6 cm, 1-1.5 cm in diam.; bracts ovate-lanceolate, 3-4 mm, apex acuminate, each 2-or 3-flowered. Pedicel 4-5 mm, slender. Perianth red, 5-parted; tepals oblong, 3-5 mm. Stamens 8, exserted. Styles 3; stigmas capitate. Achenes included in persistent perianth, brown, shiny, broadly ellipsoid, trigonous, 3-4 mm. Fl. Jul-Aug, fr. Sep-Oct.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.5
Root system rhizome
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 medicinal
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 -

Images

Polygonum sinomontanum unspecified picture

Distribution

Polygonum sinomontanum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:696466-1
WFO ID wfo-0001245405
COL ID 4L9Z9
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polygonum sinomontanum