Blotiella crenata (Alston) Schelpe

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Synonyms: Lonchitis crenata (Alston) Schelpe
Common names:
Frequency: Common
Status: Native
Rhizome creeping, c. 1.5 cm in diameter, with reddish-brown hairs c. 5 mm long. Fronds closely spaced. Stipe straw coloured, densely set at first with small pale hairs c. 0.8 mm. long, becoming hairless with age. Lamina lanceolate in outline, pinnate in smaller fronds to deeply 2-pinnatifid or rarely 2-pinnate, texture papery, apex with a prominent deeply crenate cultrate segment grading into petiolulate pinnae. Pinnae narrowly triangular in outline often with the lowest segments the largest, apex sharply pointed, margins wavy to deeply lobed; pinnules oblong, rounded to bluntly pointed; ventral surface dark-green almost shining but with curved white hairs set densely along the costa and thinly along the veins; dorsal surface paler dull-green with white hairs up to 2 mm long on the costa, costules and veins and infrequently in the areoles. Rhachis and costa straw-coloured and set with white scales 2–4 mm long. Sori up to 2 mm in diameter, mostly semicircular, set in the smaller sinuses but with larger lunulate sori in the larger sinuses; indusia pale, membranous.
Type location:
Derivation of specific name: crenata: said of taxa that have the margins set with blunt or rounded teeth.
Habitat: Shaded streambanks in evergreen riverside forest and in swamp forest.
Altitude range: 1150 - 1700 m
Worldwide distribution: Angola, Burundi, DRC, Tanzania, Uganda, Zambia.
Zambian distribution (Flora Zambesiaca): N,W
Zambian distribution (Provinces): Nw,Lp,N,C
Growth form(s): Terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Pages 85 - 86.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 12.

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 91.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 108.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 82. (Includes a picture).

Other sources of information about Blotiella crenata:

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Flora of Caprivi: cultivated Blotiella crenata

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Species information: Blotiella crenata., retrieved 28 November 2023

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