Compilation
Adiantum poiretii

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Name

Identification
Adiantum poiretii Wikstr. [family ADIANTACEAE ] (stored under name); Verified by Burrows, J.E.,
Related name
  • Adiantum pellucidum
  • Adiantum sulphureum
  • `
  • Adiantum gratum
  • Adiantum poiretii
  • Adiantum scabrum
  • Adiantum thalictroides
  • Adiantum not on sheet
  • Adiantum crenatum
  • Adiantum chilense

Flora

Entry for ADIANTUM poiretii Wikstr. [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
ADIANTUM poiretii Wikstr. [family ADIANTACEAE], in Kongl. Vet. Akad. Handling. 1825: 443 (1826); Sim, Ferns S. Afr. ed. 2: 247, t. 123/1 (1915); Pic. Serm. in Webbia 12: 694, fig. 14/a (1957); Alston, Ferns W.T.A.: 39 (1959); Tardieu, Fl. Cameroun 3: 148, t. 19/5 (1964); R.M. Tryon in Contr. Gray Herb. 194: 171, fig. 129/a (1964); Manton in Proc. Roy. Soc. B 170: 369 (1968); Schelpe in Contr. Bolus Herb. 1: 56 (1969) & F.Z., Pterid.: 112, 36/d (1970) & C.F.A., Pterid.: 89 (1977); Schelpe & M.A. Diniz, Fl. Moçamb., Pterid.: 111 (1979); Kornaś, Distr. Ecol. Pterid. Zambia: 66, fig. 37b (1979); A.R. Sm. in Fl. Chiapas 2: 24 (1981); W. Jacobsen, Ferns S. Afr.: 230, fig. 163a, map 56 (1983); Schelpe & N.C. Anthony, F.S.A., Pterid.: 103, fig. 30/2, map 81 (1986); J.E. Burrows, S. Afr. Ferns: 123, t. 19/2, figs. 125, 125a, b, map (1990); Schippers in Fern Gaz. 14: 183 (1993); Faden in U.K.W.F. ed. 2: 19, t. 170 (1994). Type: Tristan da Cunha, Petit-Thouars in Herb. Juss. 1427 (P, holo., microfiche!)
Information
Rhizome creeping, slender but with thicker branches; scales brown, lanceolate, up to 8 mm long, 0.8 mm wide, appressed, acuminate, slightly ciliate. Fronds closely spaced, erect, (10–)20–60(–100) cm tall, 3(–4)-pinnate, the branching irregular, with main branching subpinnate with small branches often dichtomously arranged; stipe and rhachis dark brown or black and glabrous, save for brown lanceolate scales at base of stipe; pinnules triangular to fan-shaped, 0.5–1.5(–2) cm long, 0.5–1.5(–2.2) cm wide, usually broader than long, truncate to rounded or more rarely cuneate at the base, crenate on upper and outer margins and also shortly incised, often breaking off and leaving stalklet at maturity, glabrous or in some variants with yellow powder or gland-tipped hairs beneath; stalklets 2–5(–7) mm long, brown, glabrous. Sori curved, rounded-oblong to kidney-shaped, situated in marginal sinuses, ± 1 mm long, 1–2.5 mm wide. Fig. 13/6 (p. 51).

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