Blyxa Thouars

Symoens, J.J. (2009) Hydrocharitaceae Flora Zambesiaca 12(2)

Description of the genus

Annual or perennial, submerged, freshwater herbs. Roots simple, adventitious. Stems corm-like or elongate and rhizomatous or stoloniferous, or erect. Leaves sessile, spirally arranged, radical or cauline, linear to elliptic, acuminate to obtuse, attenuate towards apex, translucent, with up to 28 longitudinal veins; margins green, denticulate, at least towards the apex. Nodal scales 2 per leaf, triangular with entire margins. Spathe solitary in leaf-axil, sessile or pedunculate, cylindric, 2-lobed at the apex, somewhat translucent, 2–6-veined, with 1–2(–22) flowers. Sepals 3, linear to linear-lanceolate; petals 3, filiform to lanceolate, acute to obtuse, papillose, often erect. Ovary of 3 carpels, narrowly cylindric. Fruit elongate, narrowly cylindric, disintegrating at maturity. Seeds numerous, ellipsoid or ovoid, smooth, tuberculate, winged, ribbed or spiny.

Worldwide: Species 9, widely distributed in tropical regions of the Old World.

Zambia: 2 taxa.

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SpeciesFZ divisionsProvincesContent
hexandra Cook & Lüönd NN
radicans Ridl B,N,WNw,N,W

Other sources of information about Blyxa:

Our websites:

Flora of Mozambique: Blyxa

External websites:

ePIC (electronic Plant Information Center): Blyxa
Flora Zambesiaca web site: Blyxa
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Blyxa
Wikipedia: Blyxa
IPNI (International Plant Names Index): Blyxa
Kew Herbarium catalogue: Blyxa

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-22

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2022). Flora of Zambia: Genus page: Blyxa., retrieved 27 September 2022

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