Adiantum mendoncae Alston

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Photo: Bart Wursten
Haroni river, Haroni-Rusitu

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Synonyms:
Common names:
Frequency:	Rare
Status:	Native
Description:	Rhizome short, erect; rhizome scales dark brown. Fronds tufted, herbaceous. Stipe up to 15 cm long, dark brown, glabrous except for narrow, hairlike scales towards the base. Lamina pinnate, narrowly lanceolate to oblong in outline; 30 × 5 cm, excluding a glabrous extension of the rhachis of varying length, which often ends in a proliferous bud or lamina with a terminal pinna. Rhachis, petiole and pinnae glabrous. Pinnae numerous (up to 20 pairs), broadly obcuneate to roughly obtriangular, with thin dark brown petiole up to 7 mm long, alternate; 2 × 1.4 cm, reduced in size towards the apex, margin of the sides entire, outer margin convex and finely toothed; venation flabellate. Sori on apices of the outer pinna margin, indusial flap short, dark brown, glabrous.
Notes:
Derivation of specific name:	mendoncae: the plant was collected by Francisco d' Assensão Mendonça in Mozambique in 1942
Habitat:	Terrestrial or lithophytic, shaded earth banks in ravines, cliff faces, around boulders, in riverine fringes or Brachystegia woodland.
Altitude range:	340 - 600 m
Worldwide distribution:	Only known from Zimbabwe and Mozambique
Mozambique distribution:	N,MS
Growth form(s):	Lithophyte, terrestrial.
Endemic status:	Near Endemic
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Burrows, J.E. (1990). Southern African Ferns and Fern Allies. Frandsen, Sandton. Pages 120 - 122. (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 3. 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 13. Darbyshire, I., Timberlake, J., Osborne, J., Rokni, S., Matimele, H., Langa. C., Datizua, C., de Sousa, C., Alves, T., Massingue, A., Hadj-Hammou, J., Dhanda, S., Shah, T., Wursten, B. (2019). The endemic plants of Mozambique: diversity and conservation status Phytotaxa 136 Page 75. Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 226 - 227. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 9. Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 75. Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 70. Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 111. (Includes a picture). Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 78.

Other sources of information about Adiantum mendoncae:

Our websites:

Flora of Zimbabwe: Adiantum mendoncae

External websites:

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