3159.000 Sphaerothylax Bisch. ex Krauss

Cusset, C. (1997) Podostemaceae Flora Zambesiaca 9(2)

Description of the genus

Submerged freshwater herbs; basal part firmly appressed and attached to substrate, ribbon-like and branched. Stems absent or very short and hardly emerging from the thallus, or elongate and branched. Leaves floating and repeatedly forked. Spathellas (spathaceous bracts with enclosed flower) solitary or aggregated, ± sessile on the thalloid part, and in clusters in the axils of leaves on the elongated stems, subtended by 2 scale-like bracts, dehiscing irregularly at the apex, or laterally; the flower inverted (reflexed) within the unruptured spathella before anthesis. Pedicel long, bearing the flower erect. Tepals 2, minute. Fruit a subspherical capsule, 8-ribbed, dehiscing into 2 slightly unequal valves. Seeds black, numerous, flattened ovate.

Worldwide: Two species in Angola, Tanzania, Kenya and Madagascar.

Malawi: 1 taxon.

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SpeciesFZ divisionsContent
algiformis Bisch. ex KraussS

Other sources of information about Sphaerothylax:

Our websites:

Flora of Mozambique: Sphaerothylax
Flora of Zambia: Sphaerothylax
Flora of Zimbabwe: Sphaerothylax

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-23

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Malawi: Genus page: Sphaerothylax.
https://www.malawiflora.com/speciesdata/genus.php?genus_id=640, retrieved 6 December 2023

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