Halophila Thouars

Description of the genus

Submerged, marine perennials. Stems elongate, rhizomatous or shortly erect. Roots 1(–3) at each node where the erect stems produced, sand binding, covered with fine hairs. Leaves in pairs, whorls or distichously arranged on the erect stems, sessile or petiolate; blade linear to ovate, opaque or somewhat translucent, usually glabrous; margins green, entire or serrulate. Stipules 2, subtending each pair or whorl of leaves. Flowers spathes, solitary in leaf-axils, sessile, 1–2-flowered, composed of 2 free, overlapping bracts, translucent, the margins entire or serrulate; tepals 3, ovate, cucullate. Fruit ovoid to globose, membranous, opening by decay of pericarp. Seeds subglobose to globose, tuberculate.

Worldwide: Eight species, four of which are found in East African coastal waters.

Mozambique: 4 taxa.

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SpeciesFZ divisionsContent
minor (Zoll.) HartogN
ovalis (R. Br.) Hook. f. subsp. linearis (Hartog) HartogGI,M
ovalis (R. Br.) Hook. f. subsp. ovalis N,GI,M
stipulacea (Forssk.) Asch.N

Other sources of information about Halophila:

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Mozambique: Genus page: Halophila.
http://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=2350, retrieved 13 December 2017

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