Christella microbasis (Baker) Holttum

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Synonyms: Dryopteris microbasis (Baker) Kuntze
Lastrea microbasis (Baker) Pic. Serm.
Nephrodium microbasis Baker
Thelypteris microbasis (Baker) Tardieu
Common names:
Frequency:
Status: Native
Description:
Rhizome shortly ascending, c. 10 mm in diameter. Stipe up to 60 cm long, strawcoloured, without hairs or scales. Lamina up to 60 cm long, elliptic to lanceolate in outline, deeply 2-pinnatifid, basal 2-3 pairs of pinnae reduced, lowest pair much reduced (up to 2.5 cm long). Pinnae narrowly oblong, pinnatifid, apex tapering to a point; ultimate lobes oblong, basal acroscopic lobe enlarged; both surfaces with scattered pale hairs, more so on the veins, costae and costules, lower surface also with short, glandular or capitate, yellowish hairs; veins not anostomosing or almost so in the sinus. Rhachis pilose. Sori round; indusia covered with short, yellow, glandular hairs and a few white hairs.
Notes: Christella chaseana closely resembles C. microbasis but does not have the glandular hairs on the lower surface of the lamina nor the yellow glands on the indusia.
Derivation of specific name: mikros: small, basis: base; most likely referring to the much reduced pair of basal pinnae.
Habitat: In deciduous Brachystegia miombo woodland growing in shade in water-created recesses at the base of sandstone cliffs.
Altitude range: (metres) 860 m (approx)
Worldwide distribution: Essentialy a tropical West African species, sporadically in Kenya and Tanzania, Zimbabwe.
Zimbabwe distribution: N
Growth form(s): Terrestrial.
Endemic status:
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. Page 265. As Thelypteris microbasis (Includes a picture).

Jacobsen, W.B.G. (1983). The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 390 - 391. (Includes a picture).

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 121.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 203.


Other sources of information about Christella microbasis:

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Zimbabwe: Species information: Christella microbasis.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=101790, retrieved 20 April 2019

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