Polygonum muricatum Meisn.

Species

Angiosperms > Caryophyllales > Polygonaceae > Polygonum

Characteristics

Herbs annual. Stems ascending, nearly prostrate at base, 80-100 cm tall, branched, angulate, with retrorse prickles 0.5-1 mm along angles; petiole 0.7-2 cm, sparsely retrorsely prickly; leaf blade ovate or oblong-ovate, 2.5-6 × 1.5-3 cm, abaxially sparsely stellate pubescent, shortly pubescent, with retrorse prickles along midvein, adaxially usually glabrous or sparsely pubescent, rarely stellate pubescent, base broadly truncate, orbicular, or subcordate, margin ciliate, apex acuminate or acute; ocrea tubular, 1-2 cm, membranous, glabrous, apex truncate, long ciliate. Inflorescence spicate, several spikes aggregated and panicle-like; peduncles densely pubescent, sparsely glandular hairy; bracts broadly elliptic or ovate, 2.5-3 mm, apex acuminate, margin ciliate, usually each 2-flowered. Pedicels shorter than bracts, ca. 2 mm. Perianth white or pinkish, 5-parted; tepals broadly elliptic, 2-3 mm. Stamens 6-8, in 2 whorls, included. Styles 3, free; stigmas capitate. Achenes included in persistent perianth, brown, shiny, ovoid, trigonous, 2-2.5 mm, smooth. Fl. Jul-Aug, fr. Sep-Oct.
More
A herb. It grows each year from seed. It lies along the ground and then grows 1 m tall. The branches are angular and have prickles. The leaf blade is 3-6 cm long by 2-3 cm wide. There are some hairs underneath. The flowers are in several spikes grouped together. The fruit are dry, brown, shiny and 3 sided. They are 2-3 mm long.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.9 - 1.0
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

It grows in wet valleys. It grows from sea level to 3,300 m above sea level. It grows in wet valleys and ditches. In Sichuan and Yunnan.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

The leaves are cooked as a vegetable.
Uses medicinal
Edible leaves
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 muricatum world distribution map, present in China, India, Japan, Nepal, Korea (Democratic People's Republic of), Thailand, and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:696111-1
WFO ID wfo-0001245700
COL ID 7D8T7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Persicaria nipponensis Polygonum oliganthum Truellum nipponense Polygonum nipponense Persicaria muricata Truellum muricatum Persicaria nipponensis Polygonum uniflorum Polygonum muricatum Tracaulon muricatum Polygonum kirinense Polygonum hastatosagittatum var. latifolium Polygonum thunbergii var. spicatum Polygonum strigosum var. muricatum