Thalassia K.D. König

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

Description of the genus

Submerged, marine, perennial herbs. Stem elongate, rhizomatous or shortly erect, the latter produced from nodes along the rhizome. Roots 1 per node, sand-binding, covered with fine hairs. Leaves sessile, usually 2–6, distichously arranged on the erect stems, linear, distinctly sheathing at the base, opaque or somewhat translucent, margins green, entire. Flowers spathes 1–2 in the leaf-axil, pedunculate, 1-flowered, composed of 2 bracts connate on one side only, translucent; tepals 3, elliptic, cucullate, strongly recurved at anthesis. Fruit globose, beaked, densely hairy, opening by stellate dehiscence of the carpels. Seeds conical with a thickened basal portion.

Worldwide: Two species in tropical waters.

Mozambique: 1 taxon.

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Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
hemprichii (Solms) Asch.N,GI,M

Other sources of information about Thalassia:

External websites:

African Plants: A Photo Guide (Senckenberg): Thalassia
BHL (Biodiversity Heritage Library): Thalassia
EOL (Encyclopedia of Life): Thalassia
GBIF (Global Biodiversity Information Facility): Thalassia
Google: Web - Images - Scholar
iNaturalist: Thalassia
IPNI (International Plant Names Index): Thalassia
JSTOR Plant Science: Thalassia
Mansfeld World Database of Agricultural and Horticultural Crops: Thalassia
Plants of the World Online: Thalassia
Tropicos: Thalassia
Wikipedia: Thalassia

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-23

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Mozambique: Genus page: Thalassia., retrieved 24 September 2023

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