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.

Zimbabwe: 1 taxon.

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SpeciesFZ divisionsContent
algiformis Bisch. ex KraussW,C,E

Other sources of information about Sphaerothylax:

Our websites:

Flora of Malawi: Sphaerothylax
Flora of Mozambique: Sphaerothylax
Flora of Zambia: Sphaerothylax

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-23

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Zimbabwe: Genus page: Sphaerothylax.
https://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=640, retrieved 1 April 2023

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