Compilation
Pteridella holstii

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Name

Identification
Pteridella holstii Hieron [family PTERIDACEAE ] Verified by Verdcourt, B., Pellaea dura (Willd.) Hook. [family PTERIDACEAE ] (stored under name); Verified by Not on sheet.,
Related name
  • Pellaea holstii
  • Pellaea dura
  • Pteridella holstii

Flora

Entry for PELLAEA dura var. dura [family ADIANTACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (2002) Author: BERNARD VERDCOURT
Names
PELLAEA dura var. dura [family ADIANTACEAE], ; Schelpe in Contr. Bolus Herb. 1: 79 (1969); W. Jacobsen, Ferns S. Afr.: 273 (1983)
Pteris dura Willd. [family ], Sp. Pl. ed. 4, 5: 376 (1810)
Allosorus durus (Willd.) Presl [family ADIANTACEAE], Tent. Pterid.: 153 (1836)
Litobrochia dura (Willd.) Moore [family PTERIDACEAE], Ind. Fil.: 44 (1857)
Pteridella dura (Willd.) Kuhn [family ADIANTACEAE], in von der Decken, Reisen Ost Afr. 3, 3 Bot.: 14 (1879)
Pteridella holstii Hieron. [family ADIANTACEAE], in P.O.A. C: 78 (1895);. Type: Tanzania, Lushoto District, W Usambaras, Mtai, Holst 2543 (B, lecto., K!, isolecto.)
Pellaea holstii (Hieron.) Diels [family ADIANTACEAE], E. & P. Pf. 1(4): 267 (1899); Hieron. in V.E. 2: 38 (1908); F.D.-O.A.: 37 (1929)
Pellaea dura (Hieron.) Schelpe var. holstii [family ADIANTACEAE], in Contrib. Bolus Herb. 1: 79 (1969); Schippers in Fern Gaz. 14: 181 (1993)
Pellaea doniana [family ADIANTACEAE], sensu Peter, F.D.-O.A.: 36 (1929) pro parte quoad saltem 11719, non Hook. (Peter cites other specimens I have not seen)
Pellaea schweinfurthii [family ADIANTACEAE], sensu Schippers in Fern Gaz. 14: 181 (1991) pro parte
Information
Simply pinnate, bipinnate or only basal pinnae 3-pinnulate; pinnules ± or quite glabrous.
Range
DISTR. U 2; T 2, 3, 6, 7
Altitude range
600–1800 m
Distribution
TANZANIA Mbulu District Pienaar’s Heights, 3 Dec. 1958, Napper 1477!;TANZANIA Pare District N Pare Mts, Lembeni to Kilomeni, June 1915, Peter 11719TANZANIA Morogoro District E slopes of Mindu Mts, 7 km SW of Morogoro, 24 Dec. 1971, Bjørnstad 535!UGANDA Ankole District Buhweju, Nyarwambu Hill, Rugongo, 19 Feb. 1990, Rwaburindore 2953! & Buhweju, Rwengwe, 8 Mar. 2000, Rwaburindore 4600!
Distribution (external)
; Angola
Zambia
Malawi
Mozambique
Zimbabwe
South Africa
Madagascar
Réunion
Notes
Schelpe op. cit. (1969), separates var. holstii as having lamina and undersurface of rhachis pilose but the type has the lamina ± glabrous. Apart from the tripinnulate basal pinnae it is simply pinnate. I do not see how it differs from typical P. dura .

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