Salvinia hastata Desv.

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Synonyms: Salvinia hildebrandtii Baker
Salvinia mollis Desv.
Common names:
Frequency:
Status:
Description:
Rhizome c. 1 mm. in diameter, horizontal, upper surface with dark-brown multicellular hairs up to 2 mm. long. Floating leaves up to 2 × 1.3 cm., opposite, oblong in outline, sometimes slightly broadened towards the base, emarginate at the apex, base cordate to almost truncate, flat (or infolded along the midrib when leaves closely spaced), upper surface papillate with minute whitish simple multicellular hairs, pilose beneath with brownish multicellular hairs; submerged leaf up to 6.5 cm. long, dissected, lobes densely set with dark-brown multicellular hairs up to 3 mm. long. Sporocarps spherical, hairy, up to 6, arranged in 2 rows along the midrib of one dissected leaf-lobe.
Notes: Differs from other species by having more oblong leaves with a truncate apex and heartshaped base, the apex of the leaf-papilla does not have an open basket of 4 curved cells.
Derivation of specific name: hastata: spearshaped, not a very good description since the leaves are more heartshaped than spearshaped at the base.
Habitat: Sluggish streams and backwaters.
Altitude range:
Worldwide distribution: Kenya, Malawi, Mozambique, Mascarene Islands, Tanzania
Malawi distribution: C,S
Growth form(s): Aquatic.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 83.

Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 15.

Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 491 - 492. (Includes a picture).

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 178.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 59.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 67 - 68. (Includes a picture).

Other sources of information about Salvinia hastata:

Our websites:

Flora of Mozambique: Salvinia hastata

External websites:

African Plants: A Photo Guide (Senckenberg): Salvinia hastata
African Plant Database: Salvinia hastata
BHL (Biodiversity Heritage Library): Salvinia hastata
EOL (Encyclopedia of Life): Salvinia hastata
ePIC (electronic Plant Information Center): Salvinia hastata
Flora Zambesiaca web site: Salvinia hastata
GBIF (Global Biodiversity Information Facility): Salvinia hastata
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Salvinia hastata
iNaturalist: Salvinia hastata
IPNI (International Plant Names Index): Salvinia hastata
JSTOR Plant Science: Salvinia hastata
Kew Herbarium catalogue: Salvinia hastata
Mansfeld World Database of Agricultural and Horticultural Crops: Salvinia hastata
Plants of the World Online: Salvinia hastata
The Plant List (version 1.1): Salvinia hastata
Tropicos: Salvinia hastata
Wikipedia: Salvinia hastata


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 Malawi: Species information: Salvinia hastata.
https://www.malawiflora.com/speciesdata/species.php?species_id=175650, retrieved 15 September 2019

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