Polygonella macrophylla Small

Largeleaf jointweed (en)

Species

Angiosperms > Caryophyllales > Polygonaceae > Polygonella

Characteristics

Subshrubs, perennial, gynodio-ecious, 8-11 dm. Stems erect, simple proximally, sometimes branched distally, glabrous. Leaves persistent; ocrea margins not ciliate; blade oblanceolate to obovate or broadly spatulate, (9-)26-56(-68) × (3-)9-30 mm, base attenuate to obtuse, margins hyaline, apex obtuse, glabrous. Inflorescences (14-)30-50(-70) mm; ocreola encircling rachis, only the base adnate to rachis, apex acute. Pedicels spreading in anthesis, reflexed in fruit, 1.2-2.1 mm, much longer than subtending ocreola. Flowers bisexual or pistillate; outer tepals loosely appressed in anthesis, reflexed in fruit, white, pink, or red, obovate, 1.6-2.4 mm in anthesis, margins entire; inner tepals loosely appressed in anthesis, reflexed in fruit, white, red, or pink, obovate, 1.7-2.8 mm in anthesis, margins entire; filaments dimorphic; anthers white or yellow; styles and stigmas 0.3-0.6 mm in anthesis. Achenes included, yellow-brown, 3-gonous, 3.1-4.1 × 1.5-1.9 mm, shiny, smooth. 2n = 28.
Life form perennial
Growth form subshrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.8 - 1.1
Root system -
Rooting depth (meter) -
Root diameter (meter) -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
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Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
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Optimum temperature (C°) -
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Distribution

Polygonella macrophylla world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:206003-2
WFO ID wfo-0001101007
COL ID 4L8WR
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Polygonella macrophylla