Lythrum alatum Pursh

Winged lythrum (en)

Species

Angiosperms > Myrtales > Lythraceae > Lythrum

Characteristics

Erect, glabrous, virgately branched perennial 4–8 dm, the stem 4-angled; lvs thick and firm, sessile, linear-oblong to lance-ovate, usually only the lowest opposite, thosebelow the branches to 4 cm, broadest below the middle or near the truncate to broadly rounded or subcordate base, those of the branches crowded, proportionately narrower, obtuse to rounded at the base; fls solitary in most of the upper axils, heterostylic, either the stamens or the style exserted; pedicels 1–3 mm; hypanthium 4–7 mm, sharply but narrowly 12-winged; intersepalar appendages twice as long as the sep; pet purple, obovate, 2–6 mm; disk present; 2n=20. Moist or wet soil, especially on prairies; Me. to N.D. and se. Wyo., s. to Fla. and Tex., and locally elsewhere, perhaps as an introduction. June–Sept. Most of our plants are var. alatum, as described above. (L. dacotanum) Var. lanceolatum (Elliott) Torr. & A. Gray, more robust, to 12 dm, with lanceolate lvs narrowed to the base, is chiefly more southern, barely reaching our range in se. Va.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
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Mature height (meter) -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Hardiness (USDA) 4-10

Usage

Uses medicinal
Edible -
Therapeutic use Cancer (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 15 - 30
Germination temperacture (C°) 18 - 21
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Optimum temperature (C°) -
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Images

Lythrum alatum unspecified picture

Distribution

Lythrum alatum world distribution map, present in Canada, Mexico, and United States of America

Conservation status

Lythrum alatum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:553649-1
WFO ID wfo-0001075910
COL ID 3WVDD
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Lythrum virginicum Salicaria alata Lythrum dacotanum Lythrum alatum Lythrum satureifolium Lythrum alatum var. alatum

Lower taxons

Lythrum alatum var. lanceolatum