Polygonum delicatulum Meisn.

Species

Angiosperms > Caryophyllales > Polygonaceae > Polygonum

Characteristics

Herbs annual. Stems tufted, erect, 8-15 cm tall, slender, glabrous. Petiole short or nearly absent; leaf blade ovate, 4-8 × 3-5 cm, both surfaces glabrous, base cordate, margin entire, not ciliate, apex acute; ocrea yellow-brown, tubular, membranous, glabrous, 1.5-2 mm, apex 2-cleft. Inflorescence axillary, capitate, small; peduncle very short; bracts ovate, membranous. Pedicel short, articulate at apex. Perianth white, 5-parted; outer tepals 2, smaller, apex obtuse; inner tepals 3, broadly ovate, large, ca. 1.5 mm, apex acute. Stamens 3. Styles 3, ca. 0.3 mm; stigmas capitate. Achenes exceeding persistent perianth, yellow-brown, shiny, narrowly ovoid, trigonous, 2-2.5 mm. Fl. Jul-Aug, fr. Aug-Sep. 2n = 28.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.08 - 0.15
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 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 -

Distribution

Polygonum delicatulum world distribution map, present in China and Pakistan

Identifiers

LSID urn:lsid:ipni.org:names:695638-1
WFO ID wfo-0001101825
COL ID 7867N
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polygonum delicatulum Koenigia delicatula