Compilation
Arthropteris orientalis

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Name

Identification
Isotype of Aspidium boutonianum Hook. [family DRYOPTERIDACEAE ] Arthropteris boutoniana (Hook.) Pic.Serm. [family TECTARIACEAE ] Verified by Rodolfo E. G. Pichi-Sermolli, Arthropteris albopunctata J.Sm. [family TECTARIACEAE ] Aspidium albo-punctatum Bory ex Willd. [family DRYOPTERIDACEAE ] Arthropteris orientalis (Hook.) C.Chr. [family OLEANDRACEAE ] (stored under name);
Related name
  • Nephrodium punctatum
  • Aspidium boutonianum
  • Arthropteris cameroonensis
  • Dryopteris humblotii
  • Nephrodium wilsonii
  • Aspidium pauciflorum
  • Arthropteris orientalis
  • Aspidium albopunctatum
  • Nephrodium biamisudulum
  • Nephrodium variolarium
  • Aspidium tetragonum
  • Nephrodium humblotii
  • Nephrodium trichophlebium
  • Arthropteris pectinata
  • Aspidium thonningii
  • Polypodium albopunctatum
  • Arthropteris albopunctata
  • Polypodium pectinatum
  • Dryopteris orientalis
  • Dryopteris wilsonii
  • `
  • Dryopteris trichophlebia
  • Aspidium albo-punctatum
  • Arthropteris boutoniana
  • Nephrodium albo-punctatum
  • Polypodium sarmentosum
Common name
  • okbaka ovu ebwe nkwu (NWT) (NIGERIA, IGBO (Agukwu)), Burkill, H.M. 1985. The useful plants of west tropical Africa, Vol. 5

Flora

Entry for ARTHROPTERIS orientalis (J.F.Gmel.) Posth. [family OLEANDRACEAE]
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, (2001) Author: B Verdcourt, B.Sc., Ph.D.
Names
ARTHROPTERIS orientalis (J.F.Gmel.) Posth. [family OLEANDRACEAE], in Recueil Trav. Bot. Néerl. 21: 218 (1924); Tardieu in Mém. I.F.A.N. 28: 159, t. 7/11–12 (1953) & Fl. Madag. 5 (l): 56, t. 5/3–6 (1958); Alston, Ferns W.T.A.: 52, fig. 12 (1959); Tardieu, Fl. Cameroun 3, Ptérid.: 116, t. 11/11–12 (1964) & Fl. Gabon 8, Ptérid.: 90 (1964); Schelpe, F.Z., Pterid.: 163 (1970) & in Expl. Hydrobiol. Bassin L. Bangweolo & Luapula 8 (3) Ptérid.: 70(1973); Faden in U.K.W.F.: 44 (1974); Schelpe, C.F.A., Pterid.: 130 (1977); Kornaś, Distr. Ecol. Pterid. Zambia: 114, fig. 77b (1979); Schelpe & M.A. Diniz, Fl. Moçamb., Pterid.: 168 (1979); W. Jacobsen, Ferns S. Afr: 325, fig. 237, map 104 (1983); Pic. Serm. in B.J.B.B. 55: 189 (1985); J.E. Burrows, S. Afr. Ferns: 207, t. 34/3, fig. 47/211 (1990); Faden in U.K.W.F. ed. 2: 25 (1994). Type: Arabia, Yemen, Bolghose, Forsskål 807 & 822 (C, syn., K!, photo.)
Polypodium pectinatum Forssk. [family POLYPODIACEAE], Fl. Aegypt.-Arab.: CXV, 185 (1775), non L.
Polypodium orientale J.F. Gmel. [family POLYPODIACEAE], Syst. Nat., ed. 13, 2 (2): 1312 (1791)
Aspidium albopunctatum Willd. [family DRYOPTERIDACEAE], Sp. Pl., ed. 4, 5: 242 (1810):. Type: Réunion, Bory de St. Vincent (B-WILLD, holo., microfiche!)
Nephrodium albopunctatum (Willd.) Desv. [family DRYOPTERIDACEAE], in Mém. Soc. Linn., Paris 6 (2): 255 (1827); Hook. & Baker, Syn. Fil. 264 (1867); Carruth. in Cat. Afr. Pl. Welw. 2: 272 (1901)
Arthropteris pectinatum (Forssk.) Kuhn [family OLEANDRACEAE], in K. Schumach., Fl. Kais. Wilh. Land: 10 (1889); F.D.-O.A.: 65 (1929), nom. illegit .
Nephrodium wilsonii Baker [family DRYOPTERIDACEAE], in Ann. Bot. 5: 321 (1891). Type: Uganda, probably Mengo near Lake Victoria, C.T. Wilson 5/80 (K!, holo.)
Aspidium wilsonii (Baker) Hieron. [family DRYOPTERIDACEAE], in P.O.A. C: 84 (1895)
Dryopteris orientalis (J.F. Gmel.) C. Chr. [family DRYOPTERIDACEAE], Ind. Fil.: 281 (1905)
Dryopteris wilsonii (Baker) C. Chr. [family DRYOPTERIDACEAE], Ind. Fil.: 301 (1905)
Information
Epiphytic or on rocks. Rhizome up to 3(–5) mm in diameter when dried, widely creeping, frequently producing short lateral axes with fronds variously spaced and with brown peltate broadly ovate, obtuse, entire rhizome-scales up to 1.5 mm long, darker around the point of attachment. Frond erect, seldom arching, firmly herbaceous to thinly coriaceous; stipe articulated in the upper half, stramineous, pale to dark brown, up to 26 cm long, matt, glabrous to shortly ferruginous pubescent; lamina up to 40 cm long, 17 cm wide, deeply 2-pinnatifid, lanceolate-acute to -attenuate in outline; basal pinnae somewhat or not reduced; pinnae up to 9.5 cm long, 1.8 cm wide, very narrowly oblong-attenuate, very broadly cuneate at the base, deeply pinnatifid into narrowly oblong, obtuse, entire lobes, thinly pubescent on both sides or ± glabrous above save for costa; lobes up to 9 mm long, 2.5 mm wide, nearly always with submarginal white dots above (hydathodes with lime secretion); rhachis stramineous to dark brown, densely pubescent with minute white hairs. Sori ± 1 mm in diameter, up to 9 per lobe, circular, borne about halfway between the costules and the margin; indusium 0.6 mm in diameter, glabrous, entire.
Range
DISTR. U 1–4; K 1, 3–7; T 1–8 very common and widely distributed from Guinea, Sudan, Ethiopia, and Yemen to Angola and Zimbabwe, Madagascar and Mascarenes
Altitude range
900–2450 m
Distribution
UGANDA W Nile District 1.2 km S of Metu Rest Camp, 9 Sept. 1953, Chancellor 238!KENYA Nandi District Kapsabet, Kaimosi Farm, 15 June 1953, Williams Sangai 573!TANZANIA Musoma District Nyaroboro Range, 3 Jan. 1963, Greenway & Harvey 10925!UGANDA Kigezi District Kirwa, Dec. 1938, Chandler & Hancock 2548a!UGANDA Mbale District Samia–Bugwe, 9.5 km N of Busia, Oruchor Hill, 7 Mar. 1951, G. Wood 233!KENYA N Kavirondo District Webuye [Broderick] Falls, Mar. 1967, Tweedie 3421!KENYA Teita District footpath from Wuzi–Ngerenyi road to Bura Bluff, 17 Sept. 1953, Drummond & Hemsley 4393!TANZANIA Moshi District Kilimanjaro, Marangu R., Himo, 6 Sept. 1964, Beesley 15!TANZANIA Kondoa District Kolo, 29 Jan. 1928, B.D. Burtt 1262!
Notes
A strange cultivated form with pinnatifid pinnules has been grown in gardens in Monrovia, Liberia, and may occur elsewhere.

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