Persicaria punctata Small

Renouée ponctuée (fr)

Species

Angiosperms > Caryophyllales > Polygonaceae > Persicaria

Characteristics

Plants annual or perennial, 1.5-12 dm; roots also often arising from proximal nodes; rhizomes often present. Stems ascending to erect, branched, without noticeable ribs, glabrous, glandular-punctate. Leaves: ocrea brown, cylindric, (4-)9-18 mm, chartaceous, base inflated, margins truncate, ciliate with bristles 2-11 mm, surface glabrous or strigose, glandular-punctate; petiole 0.1-1 cm, glandular-punctate, leaves sometimes sessile; blade without dark triangular or lunate blotch adaxially, lanceolate to lanceolate-ovate or subrhombic, 4-10(-15) × 0.6-2.4 cm, base tapered or cuneate, margins antrorsely strigose, apex acute to acuminate, faces glabrous or scabrous along midveins, glandular-punctate. Inflorescences mostly terminal, sometimes also axillary, erect, interrupted, 50-200 × 4-8 mm; peduncle 30-60 mm, glabrous, glandular-punctate; ocreolae mostly not overlapping, margins mostly ciliate with bristles to 2 mm. Pedicels ascending, 1-4 mm. Flowers 2-6 per ocreate fascicle, homostylous; perianth greenish proximally, white distally, rarely tinged pink, glandular-punctate with punctae ± uniformly distributed, scarcely accrescent; tepals 5, connate ca. 1/ 3 their length, obovate, 3-3.5 mm, veins prominent or not, not anchor-shaped, margins entire, apex obtuse to rounded; stamens 6-8, included; anthers pink or red, elliptic to ovate; styles 2-3, connate proximally. Achenes included or apex exserted, brownish black, usually 3-gonous, rarely biconvex, (1.8-)2.2-3.2 × 1.5-2.2 mm, shiny, smooth. 2n = 44.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 1.0
Root system rhizome
Rooting depth (meter) 0.4
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-7
Soil humidity 5-5
Soil texture -
Soil acidity 5-8
Soil nutriment -
Hardiness (USDA) 5-11

Usage

Uses medicinal
Edible leaves
Therapeutic use Analgesic (flower), Gastrointestinal Aid (flower), Analgesic (leaf), Gastrointestinal Aid (leaf), Analgesic (root), Orthopedic Aid (root), Psychological Aid (unspecified), Antifertility (unspecified), Astringent (unspecified), Bilious (unspecified), Calculus (unspecified), Emmenagogue (unspecified), Malaria (unspecified), Malignancy (unspecified), Piles (unspecified), Sore (unspecified), Stimulant (unspecified), Arthritis (unspecified), Diuretic (unspecified), Mange (unspecified), Poison (unspecified), Urogenital (unspecified), Vermifuge (unspecified), Scabies (unspecified), Skin (unspecified), Stone (unspecified), Rheumatism (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Persicaria punctata habit picture by Trap Hers (cc-by-sa)
Persicaria punctata habit picture by Trap Hers (cc-by-sa)

Leaf

Persicaria punctata leaf picture by Makoto Makoto (cc-by-sa)
Persicaria punctata leaf picture by Trap Hers (cc-by-sa)

Flower

Persicaria punctata flower picture by Trap Hers (cc-by-sa)
Persicaria punctata flower picture by Trap Hers (cc-by-sa)

Distribution

Persicaria punctata world distribution map, present in Argentina, Bahamas, Belize, Bermuda, Bolivia (Plurinational State of), Brazil, Canada, Colombia, Costa Rica, Cuba, Cayman Islands, Ecuador, Guadeloupe, Guatemala, French Guiana, Guyana, Honduras, Jamaica, Saint Lucia, Mexico, Martinique, Nicaragua, New Zealand, Pakistan, Panama, Peru, Puerto Rico, Paraguay, Suriname, Trinidad and Tobago, Uruguay, United States of America, and Venezuela (Bolivarian Republic of)

Conservation status

Persicaria punctata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:190855-2
WFO ID wfo-0000488288
COL ID 4F9WL
BDTFX ID 51662
INPN ID 769031
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Polygonum punctatum Polygonum epilobioides Polygonum antihaemorrhoidale f. riparium Polygonum punctatum f. stipitatum Polygonum punctatum f. longicollum Polygonum antihaemorrhoidale f. aquatile Polygonum acre Polygonum acre Discolenta punctata Polygonum punctatum var. confertiflorum Polygonum punctatum var. ellipticum Polygonum punctatum var. leptostachyum Polygonum punctatum var. parviflorum Persicaria punctata var. eciliata Persicaria punctata var. tacubayana Polygonum acre var. brachystachyum Polygonum acre var. confertiflorum Polygonum acre var. leptostachyum Polygonum antihaemorrhoidale var. riparium Polygonum punctatum var. aquatile Polygonum punctatum var. mexicanum Polygonum punctatum var. parvum Polygonum punctatum var. riparium Polygonum punctatum var. tacubayanum Polygonum acre var. aquatile Polygonum acre var. majus Polygonum acre var. riparium Polygonum antihaemorrhoidale var. aquatile Polygonum punctatum var. littorale Persicaria punctata