Compilation
Cheilanthes triangula

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Name

Identification
Cheilanthes triangula Kunze [family PTERIDACEAE ] Verified by Anthony, N.C., Cheilanthes quadripinnata (Forssk.) Kuhn [family PTERIDACEAE ] (stored under name); Verified by Not on sheet.,
Related name
  • Pellaea quadripinnata
  • Cheilanthes firma
  • Cheilanthes triangula
  • Cheilanthes quadripinnata

Flora

Entry for Pellaea quadripinnata Forsk. Prantl [family ADIANTACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 0, Part 0, page 98, (1970) Author: E. A. C. L. E. Schelpe
Names
Pellaea quadripinnata Forsk. Prantl [family ADIANTACEAE], in Engl., Bot. Jahrb. 3: 420 (1882).—Sim, Ferns S. Afr. ed. 2: 202, t. 92 (1915).—Tardieu in Mém. Inst. Fr. Afr. Noire, 28: 92, t. 14 fig. 5 (1953); Fl. Madag., Polypod. 1: 166, t. 23 fig. 7 (1958).—Alston, Ferns W. Trop. Afr.: 44 (1959). TAB. 41. Type from Yemen.
Pteris quadripinnata Forsk. [family ADIANTACEAE], Fl. Aegypt.-Arab.: CXXIV, 186 (1775). Type as above.
Allosorus quadripinnatus Forsk. C. Presl [family ADIANTACEAE], Tent. Pterid.: 154 (1836) reimpr. in Abh. Königl. Böhm. Ges. Wiss., Ser. 4, 5: 154 (1837). Type as above.
Pteris consobrina Kunze [family ADIANTACEAE], in Linnaea, 10: 526 (1836). Type from S. Africa.
Cheilanthes triangula Kunze [family ADIANTACEAE], tom. cit.: 536 (1836). Type from S. Africa.
Cheilanthes atherstonei Hook. [family ADIANTACEAE], Sp. Fil. 2: 107 (1852). Type from S. Africa.
Cheilanthes firma Moore [family ADIANTACEAE], in Journ. of Bot. 5: 225 (1853). Type from S. Africa.
Cheilanthes linearis Moore [family ADIANTACEAE], tom. cit.: 226 (1853). Type from S. Africa.
Pellaea consobrina Kunze Hook. [family ADIANTACEAE], Sp. Fil. 2: 145 (1858). Type as for Pteris consobrina.
Allosorus consobrinus Kunze Pappe & Raws. [family ADIANTACEAE], Syn. Fil. Afr. Austr.: 31 (1858). Type as above.
Cheilanthes quadripinnata Forsk. Kuhn [family ADIANTACEAE], Fil. Afr.: 74 (1868). Type as for Pellaea quadripinnata.
Pteridella quadripinnata Forsk. Mett. ex Kuhn [family ADIANTACEAE], Von Deck. Reisen, Bot., 3, 3: 16 (1879). Type as above.
Information
Rhizome up to 6 mm. in diam., short, creeping, with tufted fronds and with narrowly attenuate entire rhizome-scales up to 5 mm. long, some concolorous pale-brown mixed with others with a black central stripe and pale margins. Stipe castaneous, up to 40 cm. long, glabrous, shallowly channelled on the ventral surface. Frond erect to arching, thinly coriaceous. Lamina up to 58 x 40 cm., triangular in outline, mostly 4-pinnatifid (3-pinnate in juvenile fronds) to 4-pinnate with the lowest pinnae well developed basiscopically; ultimate segments 1–2 cm. long, oblong, subacute to acute, pinnatifid with oblong to triangular lobes, subentire when fertile, evidently crenate when sterile, both surfaces glabrous; venation free, evident; rhachis and secondary rhachises castaneous, glabrous, channelled on the ventral surface. Sori forming a marginal soral line; indusium continuous, sub-entire, membranous.
Habitat
Around boulders on forest margins and in grassland
Altitude range
1700–2050 m.
2050
1700
Distribution
Malawi S Shire Highlands, 1885, Buchanan 31 (K).Mozambique MS Gorongosa Mt., Gogogo Peak, 5.vii.1953, Schelpe 5520 (SM; BOL).Malawi N Karonga Distr., Nganda Hill, Nyika Plateau, 6.ix.1962, Tyrer 836 (SRGH).Zimbabwe E Inyanga, 19.x.1946, Wild 1397 (K; SRGH).
Distribution (external)
S. Africa
Tanzania
Kenya
Ethiopia
Cameroon
Arabia
Madagascar
Comoro Is

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