Oenanthe sarmentosa Presl ex Dc.

Water parsely (en), Œnanthe (fr)

Species

Angiosperms > Apiales > Apiaceae > Oenanthe

Characteristics

Procumbent or floating and ascending, aquatic biennial to perennial, with fibrous roots. Stems hollow, striate, grooved, up to 150 cm long, usually rooting at nodes. Mature stem lvs usually 2-pinnate, sometimes 3-pinnate at base, petiolate; ultimate segments ovate, lobed or not, serrate, 10-35 mm long; lvs associated with infl.-branches reduced and 1-pinnate with smaller segments; submerged lvs similar. Umbels terminal or lf-opposed, shortly pedunculate or sessile, 2-5 cm diam.; rays 10-20; rays and pedicels somewhat thickened at fruiting; bracts 0-1, linear; bracteoles numerous, linear. Fls numerous, white, c. 2 mm diam. Fr. cylindric, 2.5-3.5 mm long; ribs prominent, broad and corky; styles slender, c. = length of fr.
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A herb that keeps growing from year to year. It can grow 50-1.2 m long. The leaves are green and have small leaflets. The leaves are usually twice divided. The flowers are white. The stems form roots where they touch the ground.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 1.0
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant. It grows in open marshes and forests.
More
Low wet places.
Light 6-9
Soil humidity 5-9
Soil texture 1-4
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-10

Usage

CAUTION: The tuber-like roots are boiled and eaten. The stems are eaten raw or cooked.
Uses medicinal
Edible roots stems
Therapeutic use Cathartic (root), Emetic (root), Laxative (root), Gynecological Aid (root), Ceremonial Medicine (root), Emetic (seed), Poison (unspecified), Emetic (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Oenanthe sarmentosa unspecified picture

Distribution

Oenanthe sarmentosa world distribution map, present in Canada, New Zealand, and United States of America

Conservation status

Oenanthe sarmentosa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:845373-1
WFO ID wfo-0001067922
COL ID 74JPL
BDTFX ID 102081
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Helosciadium californicum Oenanthe sarmentosa

Lower taxons

Oenanthe sarmentosa var. californica