Cheilanthes angustifrondosa Alston

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Synonyms:
Common names:
Frequency: Rare
Status: Native
Description:
Rhizome creeping, rhizome scales brown, linear and tapering to a fine point 4.5–5 × 0.5 mm, with a dark central stripe and pale margins. Fronds tufted, 22–55 cm tall. Stipe purple-brown or chestnut to black, 3–14 cm long, glabrous except at the extreme base. Lamina narrowly oblong-lanceolate in outline, 17–49 × 3–8.5 cm, 1–2-pinnate, if 1-pinnate then pinnae deeply pinnatifid; pinnae in 15–18 pairs, oblong-lanceolate in outline, 1–6 × 0.5–2.8 cm; pinnules or ultimate segments narrowly oblong, 0.5–1 cm × 2–5 mm, apex rounded, crenate to pinnatifid, glabrous; venation obscure. Sori minute, less than 1 mm in diameter, on margins of segments; indusium minute, membranous, entire.
Type location:
Notes: Differs from other Cheilanthes species by lacking a powdery substance on the undersurface of the lamina, the lamina is glabrous on both surfaces and the fronds are narrowly elliptic & 2-3 pinnatifid.
Derivation of specific name:
Habitat: Among rocks in woodland.
Altitude range: 1050 - 1470 m
Worldwide distribution: Angola, DRC, Mozambique, Tanzania, Zambia
Zambian distribution (Flora Zambesiaca): N
Zambian distribution (Provinces): Lp,N
Growth form(s): Lithophyte, terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 47.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 15.

Roux, J.P. (2001). Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13 Page 61.

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 180.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Pages 123 - 124.

Other sources of information about Cheilanthes angustifrondosa:

Our websites:

Flora of Mozambique: Cheilanthes angustifrondosa

External websites:

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


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-20

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2020). Flora of Zambia: Species information: Cheilanthes angustifrondosa.
https://www.zambiaflora.com/speciesdata/species.php?species_id=213820, retrieved 22 February 2020

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