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Enydra Lour.

Swampwort (en)

Genus

Angiosperms > Asterales > Asteraceae

Characteristics

Annual or perennial herbs, aquatic or bog-dwelling. Stems often rooting at nodes. Leaves opposite, lanceolate to ovate or obovate, entire or serrate. Capitula axillary, solitary, campanulate or hemispherical, radiate or disciform; involucral bracts 4 (or 6, not in Australia), herbaceous, 2 (3) outer larger than 2 (3) inner and longer than disc florets; receptacle convex to minutely conical; paleae present, tightly wrapped around achenes. Ray florets female, in several series; ligules short or absent, 3-toothed. Disc florets bisexual or functionally male, 5-toothed. Achenes subterete, ±compressed, wrapped in palea. Pappus absent.
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Perennial herbs of wet habitats. Leaves opposite. Capitula axillary, sessile or subsessile, radiate or disciform; involucre with 4–6 phyllaries in opposite pairs, the outer leafy; paleae sheathing the florets. Ray florets in 1–several rows, female, the ray short, 3–4-dentate, or absent; disc florets hermaphrodite, fertile or the innermost sterile, tubular, 5-lobed; anthers obtuse at base, with terminal appendage; style arms linear, puberulous. Achenes surrounded by paleae, oblong, compressed; pappus absent.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Usage

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Cultivation

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Images

Enydra unspecified picture

Distribution

Enydra world distribution map, present in Australia and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:8793-1
WFO ID wfo-4000013512
COL ID 4C9L
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Enydra

Lower taxons

Enydra fluctuans Enydra integrifolia Enydra sessilis Enydra radicans Enydra sessilifolia
WorldFloraDB 2024