Pteridophyta: Ophioglossales

Ophioglossaceae - Adder's-tongue family

Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide Struik Nature

Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria.

Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13

Schelpe, E.A.C.L.E. (1970) Pteridophyta Flora Zambesiaca

Description of the family

Terrestrial ferns, deciduous perennials, often clone forming by root proliferation. Rhizome spherical, subspherical or elongated, erect or creeping, subterranean; roots fleshy without roothairs. Fronds 1 or few, consisting of a simple, hairless sterile, slightly fleshy lamina and a simple or compound, fertile, linear, stalked spike. Sporangia sunken in the tissue on either side of the linear spike, large, thick-walled, dehiscing by a slit into 2 valves, exindusiate, homosporous.

Worldwide: 4 genera and 80 species, cosmopolitan.

Botswana: 1 genus and 3 taxa.

Ophioglossum costatum

Links to genera:     View: living plant images - herbarium specimen images - all images for this family

GenusContent
Ophioglossum L.Description, Image

Other sources of information about Ophioglossaceae:

Our websites:

Flora of Malawi: Ophioglossaceae
Flora of Mozambique: Ophioglossaceae
Flora of Zambia: Ophioglossaceae
Flora of Zimbabwe: Ophioglossaceae

External websites:

African Plants: A Photo Guide (Senckenberg): Ophioglossaceae
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Ophioglossaceae
Wikipedia: Ophioglossaceae


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Botswana: Family page: Ophioglossaceae.
https://www.botswanaflora.com/speciesdata/family.php?family_id=159, retrieved 17 September 2019

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