- Family: Polypodiaceae J.Presl & C.Presl
- Genus: Dryopteris Adans.
Dryopteris athamantica (Kunze) Kuntze
- Genus: Dryopteris Adans.
[FWTA]
Aspidiaceae, A. H. G. Alston. Flora of West Tropical Africa. Ferns and Fern-Allies Supplement. 1959
- Ecology
- Terrestrial on banks and forest margins; 3, 500 to 5, 500 ft. alt.
[FTEA]
Dryopteridaceae, JP Roux, M Shaffer-Fehre, B Verdcourt. Flora of Tropical East Africa. 2007
- Type
- South Africa, ad portum Natalensem, Feb. 1842, Gueinzius s.n. (LZ†, holo.; K!, lecto., here designated)
- Morphology General Habit
- Terrestrial or epilithic.
- Vegetative Multiplication Rhizomes
- Rhizome short-decumbent to suberect, rarely branched, to 13 mm in diameter, with ferrugineous oblong-acuminate to narrowly lanceolate scales up to 18 × 2 mm, entire
- Morphology Leaves
- Fronds tufted, erect, up to 1.3 m long.
- Morphology Leaves Stipes
- Stipe stout, proximally castaneous, stramineous higher up, up to 54 cm long and 14 mm in diameter, with ferrugineous linear to oblong scales up to 24 × 2.5 mm, acuminate, entire, with long twisted filiform outgrowths or with a few scattered glandular cells.
- Morphology Leaves Leaf lamina
- Lamina firmly herbaceous, narrowly ovate, up to 78 cm long, up to 2-pinnate pinnatifid.
- Morphology Leaves Rachis
- Rachis stramineous to greenish, narrowly winged towards apex, moderately to sparsely set with twisted ferrugineous to stramineous linear to filiform scales up to 6 × 0.6 mm and hairs.
- Morphology Leaves Pinnae
- Pinnae up to 23 stalked pairs, basal pinnae inaequilaterally broadly ovate, those higher up symmetrically lanceolate, basal pinna pair mostly longest, mostly basiscopically developed, up to 19 × 12 cm, with up to 8 stalked pinnule pairs; pinna-rachis narrowly winged for most of its length, with sparse scales up to 4 × 0.4 mm, similar to, but smaller than those on rachis; pinnules lanceolate, acroscopically developed, acroscopic pinnule on basal pinnae up to 48 × 28 mm, basiscopic pinnule on basal pinnae up to 72 × 30 mm; costa narrowly winged; segments narrowly trullate, narrowly triangular, narrowly rhomboid or oblongobtuse, up to 20 × 7 mm, basiscopically decurrent, often shallowly lobed, lobes denticulate to crenate, adaxially glabrous or with a few filiform scales along the costae, abaxially sparsely set with filiform scales, uniseriate hairs bearing one or more glandular cells near base, isocytic hairs, and often also with unicellular glands (50–)78(–142) mm long
- Morphology Reproductive morphology Sori
- Sori inframedial on the predominantly anadromous vein branches, discrete or touching at maturity, circular, up to 1.6 mm in diameter at maturity; sporangium stalk simple or haired; indusium brown, firmly herbaceous, reniform, entire to erose, up to 1.7 mm in diameter
- Morphology Reproductive morphology Spores
- Spores ellipsoidal monolete, perispore with narrow to broad reticulate ridges, granulate, 38–52 × 26–36 mm
- Ecology
- Grassland, scattered tree grassland, miombo woodland, often near water or in shade of rocks; (1000–)1200–2000(–3050) m
- Conservation
- Widespread; least concern (LC)
- Note
- Vida in Helv. Chim. Acta 56: 2129 (1973) report the species as diploid: 2n = 80 ±2.
- Distribution
- Range: Throughout West and southern Africa Flora districts: U1 U2 U3 U4 U5 K3 K5 T1 T4 T7 T8
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Native to:
Angola, Burundi, Cameroon, Cape Provinces, Central African Repu, Free State, Gabon, Guinea, Kenya, KwaZulu-Natal, Lesotho, Malawi, Mozambique, Nigeria, Northern Provinces, Rwanda, Sierra Leone, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe
Dryopteris athamantica (Kunze) Kuntze appears in other Kew resources:
Date | Reference | Identified As | Barcode | Type Status |
---|---|---|---|---|
Nov 1, 2008 | Cheek, M. [13509], Cameroon | K000580267 | ||
Sep 1, 1998 | Onana, J.-M. [512], Cameroon | K000746840 | ||
Peter, A. [37290], Tanzania | K000675769 | |||
Peter, A. [37743], Tanzania | K000675770 | |||
Bidgood, S. [5796], Tanzania | K000468629 | |||
s.coll. [s.n.], South Africa | K000675781 | Unknown type material |
First published in Revis. Gen. Pl. 2: 812 (1891)
Accepted by
- Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
- Roux, J.P. (2016). The Lycopods and Ferns of Drakensberg and Lesotho: 1-384. Briza academic books, Pretoria, South Africa.
Literature
Flora of West Tropical Africa
- Tard in Mém. I.F.A.N. 28: 151, t. 29, fig. 7 (1953).
- Sim F.S.A. 107, t. 19 (1915)
- Rev. Gen. Pl. 2: 812 (1891)
Flora of Tropical East Africa
- J.P. Roux, Conspect. southern Afr. Pterid.: 127 (2001).
- U.K.W.F., ed. 2: 36, t. 175 (1994);
- Burrows, S. Afr. Ferns.: 300, t. 50/ 4, fig. 70/ 305, map (1990);
- Schelpe & Anthony, F.S.A., Pterid.: 247, t. 84/ 2, map 213 (1986);
- B.J.B.B. 55: 157 (1985)
- Jacobsen, Ferns S. Afr.: 433, fig. 326, map 159 (1983)
- Korna´s, District: Ecol. Pterid. Zambia: 107, map 71a (1979)
- Schelpe & Diniz, Fl. Moçamb., Pterid.: 237 (1979)
- Schelpe, Expl. Hydrobiol. L. Bangweolo & Luapula: 89 (1973)
- Schelpe, F.Z., Pterid: 221 (1970)
- Tardieu-Blot, Fl. Cameroon, Pterid.: 262, t. 40/ 7 (1964)
- Alston, Ferns W.T.A.: 70 (1959)
- Mém. I.F.A.N. 28: 151, t. 29/ 7 (1953)
- C.Chr., Ind. Filic.: 253 (1905)
- Rev. Gen. Pl. 2: 812 (1891)
Flora of Tropical East Africa
Flora of Tropical East Africa
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Flora of West Tropical Africa
Flora of West Tropical Africa
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Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0