Compilation
Pteris acanthoneura

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Name

Identification
Pteris acanthoneura Alston [family PTERIDACEAE ] (stored under name);
Related name
  • Pteris biaurita
  • `
  • Pteris atrovirens
  • Pteris hamulosa
  • Pteris acanthoneura
  • Pteris appendiculata
  • Pteris spinulifera

Flora

Entry for PTERIS hamulosa (Christ) Christ [family ]
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
PTERIS hamulosa (Christ) Christ [family ], in Ann. Mus. Congo, Bot. sér. 5, 3: 30 (1909); Schelpe in Contr. Bolus Herb. 1: 62 (1969) & in F.Z. Pterid.: 120 (1970) & C.F.A., Pterid.: 94 (1977); Schelpe & M.A. Diniz, Fl. Moçamb., Pterid.: 121 (1979); W. Jacobsen, Ferns S Afr.: 243, fig. 175 (1983); Pic.-Serm. in Webbia 37: 125 (1983); Schippers in Fern Gaz. 14: 186 (1993). Type: Congo (Kinshasa), near Kisantu, Gillet s.n. (BR, holo.)
PTERIS quadriaurita Christ var. hamulosa [family ], in Ann. Mus. Congo, Bot., sér. 5, 1: 4 (1903)
PTERIS acanthoneura Alston [family ], in Contr. Conhec. Fl. Moçambique 2 in Est. Ens. Doc. Junta Invest. Ultramar 12: 15, t. 4–5 (1952); Tardieu in Mém. I.F.A.N. 28: 78, t. 11, fig. 6 (1953); Alston, Ferns W.T.A.: 42 (1959); Cavaco in Publ. Cult. Comp. Diam. Angol. 42: 189, t. 10, figs. 1–3 (1959); Tardieu, Fl. Cameroun 3: 164 (1964). Type: Uganda, Bunyoro District, Budongo Forest, G. Taylor 3337 (BM!, syn.) (two sheets)
Information
Rhizome woody, erect or shortly creeping with linear subentire to lacerate scales up to 5 mm long with a dark central stripe and pale margins. Fronds tufted, 0.6–1.5 m tall. Stipe straw-coloured, darker at the base, 30–90 cm long. Lamina oblong to ovate in outline, pinnate-pinnatifid above with 2–4 pairs of pinnae and a basal pair of pinnae with a basiscopic pinnule from near base. Pinnae oblong to oblong-lanceolate in outline, 10–25 cm long, 2.5–7 cm wide; ultimate lobes in 12–26 pairs, 0.3–4 cm long, 3–10 mm wide, narrowly oblong, obtuse to acute, slightly falcate, rarely forked, glabrous, the sterile margin crenate-serrate; apical segment narrowly lanceolate, 3.5–9 cm long, 5–10 mm wide at base, crenulate beyond the sori; costae and sometimes costulae spinulose beneath; veins only anastomosing along the costa to form narrow areoles. Sori extending from near or at base of sinuses to near apex of lobes. Fig. 2/5, lobes (p. 7)
Range
DISTR. U 2–4; K 5, 7; P
Altitude range
15–400 and 950–1200 m
Distribution
KENYA Central Kavirondo District “Victoria Nyanza”, Jan. 1894, Scott Elliot 7138!;KENYA Kwale District Shimba Hills, Longomwagandi, 17 Mar. 1991, Luke & Robertson 2729!TANZANIA Pemba, Ngezi Forest, 30 Aug. 1929, Vaughan 603!UGANDA Bunyoro District Budongo Forest Reserve, between Nature Reserve and the Royal Mile, 30 Aug. 1995, Poulsen et al. 864!;UGANDA Kigezi District Queen Elizabeth National Park, S Maramagambo Central Forest Reserve, 6.4–11 km up Kaizi–Bitereko road, 18 Sept. 1969, Faden et al. 69/1121!;UGANDA Mengo District Entebbe Road [from Kampala], Nov. 1931, Lab. Staff in Agr. Dept. S2368!
Distribution (external)
; Ivory Coast
Nigeria
Central African Republic
Cameroon
Congo (Kinshasa)
Sudan
Mozambique

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