Cyclosorus striatus (Schumach.) Ching

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Synonyms: Aspidium striatum Schumach.
Dryopteris hemitelioides Christ.
Dryopteris striata (Schumach.) C.Chr.
Polipodium pallidivenium Hook.
Thelypteris striata (Schumach.) Schelpe
Common names:
Status: Native
Rhizome up to 5 mm in diameter, widely creeping, rhizome scales dark brown, ovate in outline, apex gradually tapering to a sharp point, margin entire, up to 2 mm. long. Frond erect, spaced up to 15 cm. apart, non-proliferous, firmly herbaceous. Stipe up to 90 cm. long, pale brown, becoming very dark at the base, glabrous. Lamina up to 77 × 25 cm, 2-pinnatifid, narrowly oblong-ovate in outline, acute, the basal pinnae not reduced; pinnae up to 21 × 2.5 cm., narrowly oblong or attenuate in outline often somewhat contracted towards the base, incised more than 1/2-way to the costa into oblong to narrowly oblong often slightly falcate subacute lobes up to 6 mm. broad, usually with more than 18 pairs of veins per lobe, the basal pair anastomosing below the sinus, the sub-basal pair reaching the sinus, glabrous ventrally except for a pilose costa, densely to thinly pilose on the costa, costules, veins and lamina dorsally. Rhachis mostly glabrous with age but thinly pilose at first with stiff white hairs. Sori circular, up to 35 per pinna lobe, contiguous at maturity, borne 1/2-way between the costule and margin; indusium c. 0.5 mm. in diameter, thinly pilose.
Type location:
Notes: May be confused with C. interruptus which has less veins per lobe (6-13) and pinnae that are incised only half way to the costa.
Derivation of specific name:
Habitat: Papyrus swamp and swamp forest.
Altitude range: 780 - 1320 m
Worldwide distribution: Widespread in tropical Africa
Zambian distribution (Flora Zambesiaca): B,N
Zambian distribution (Provinces): Cb,Lp,N,W
Growth form(s): Terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Burrows, J.E. & Burrows, S.M. (1993). An annotated check-list of the pteridophytes of Malawi Kirkia 14(1) Page 96. As Thelypteris striata

Kornas, J. (1979). Distribution and ecology of the Pteridophytes in Zambia Polska Akademia Nauk Wydzial II Nauk Biologicznych Page 93. As Thelypteris striata

Roux, J.P. (2009). Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands Page 205.

Schelpe, E.A.C.L.E. (1970). Pteridophyta Flora Zambesiaca Page 199. As Thelypteris striata

Other sources of information about Cyclosorus striatus:

Our websites:

Flora of Malawi: Cyclosorus striatus

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Cyclosorus striatus., retrieved 27 February 2024

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