Thalassia K.D. König

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

Other sources of information about Thalassia:

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-18

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2018). Flora of Mozambique: Genus page: Thalassia.
https://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=2351, retrieved 20 February 2018

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