Fissidens schweinfurthii (Müll.Hal.) Paris

Bruggeman-Nannenga, Maria Alida, 2025, Notes on African Fissidens, including F. colliculosus Brugg. - Nann., sp. nov., F. sciophyllus subsp. capeverdensis subsp. nov. and F. pellucidus var. ripensis comb. nov., stat. nov., Cryptogamie, Bryologie 20 (3), pp. 15-33 : 24-28

Fissidens schweinfurthii (Müll.Hal.) Paris

( Fig. 6 )

Index bryologicus : 484 ( Paris 1896). — Conomitrium schweinfurthii Müll.Hal. , Linnaea 39: 369. ( Müller 1875). — Lectotype (designated by Bruggeman-Nannenga 1997, here refined with barcode): Sudan as Niam-niam-regiones [border area Sudan, Democratic Republic of the Congo and Central African Republic] • in cacumine collis Gumango; 6.II.1870; Schweinfurth s.n.; MNHN[PC0095370]; isolectotype: MNHN[PC0129867].

Fissidens nossianus Besch., Annales des Sciences naturelles, Botanique, série 6, 9: 333 ( Bescherelle 1880). — Lectotype (designated by Bruggeman-Nannenga 1997 here refined with barcode): Madagascar • Nossi Bé, Marie s.n.; BM[BM001094101]; isolectotypes: H-BR, PC, syn. nov.

Fissidens motelayi Renauld & Cardot, Prodrome de la Flore Bryologique de Madagascar, des Mascareignes et des Comores: 117 (Renauld 1898). — Lectotype (designated here): Madagascar • Andriba; 1897; Dorr s.n.; MNHN[ PC0098324 ]; isolectotype: MNHN[ PC0098325 ], syn. nov.

Fissidens ferrugineus Müll.Hal. var. pallidus Thér., Recueil des publications de la société havraise d’études diverses 90: 81 ( Thériot 1923); F. decaryi Bizot, Revue bryologique et lichénologique 40: 131

( Bizot 1974) (new name and rank). — Lectotype (designated by Bruggeman-Nannenga 1997, here refined with barcode): Madagascar • Ambohimanga; Décary 9; MNHN[PC0096226], syn. nov.

DIAGNOSIS (distinctive features in bold). — This African species is characterized by stiff plants, leaves close, in transmitted light obscure with pale, per- to short excurrent costa, vaginant laminae long, reaching 2/3-̚⁄10 the leaf length, proximally about as wide as the stem, with rounded insertion, limbidia reaching the insertion or ending some distance above, marginal throughout ( Fig. 3 G, H ) or intramarginal towards the insertion ( Fig. 3F ), distally nearly or completely reaching the apex of the vaginant lamina; laminal cells with (4-)5-8(-10) well developed, low, blunt, marginal papillae ( Fig. 6I, J ); archegonia typically terminal on short or long stems and/ or on short branches; antheridia terminal on dwarf or larger stems, occasionally on short bud-shaped branches. Most specimens of this species are easily recognized by the bold printed traits.

Fissidens ceylonensis similarly has obscure leaves, short excurrent to percurrent costae and marginal papillae, but differs in the shorter limbidia that do not reach the apex of the vaginant laminae, and are frequently lacking on some or most leaves.

OTHER EXAMINED MATERIAL (specimens used forFig. 6). — Democratic Republic of the Congo • Haute-Shaba; Plateau des Kundelungu, partie supérieure de la Lofoi; Lisowski 4225; KRAM • Haute-Shaba, près de Likasi, rive gauche de la rivière Panda; gallerie forestière; Lisowski 65116; KRAM.

Ivory Coast • Boundiali ; nr 1 B3 ; 9°32’N, 6°29’W; Granitinselberg, auf beschattenen Fels; Porembski & Biedinger 1508; B, private herbarium Bruggeman-Nannenga • Westl. von Bouaké. Granitinselberg (nr IB24 ), terrestrisch; in Afrotrilepis Matte ; 370 m alt.; Porembski 515; private herbarium Bruggeman-Nannenga .

Madagascar • Prov. Majunga; Station forestière d’Ampijoroa, c. 3 km N d’Andranofasika ; on soil, base of tree in forest; 16°20’S, 46°51’E; Dorr 3055; MO, L • 60 km NW of Antanannarivo along Mahajanga road; N of Soaniadanana village ; granite outcrops in secondary plateau grassland, rupicolous-terricolous; 18°29’54”S, 47°17’02”E; 5.IX.1994; Kis 9443EE; L, EGR .

Malawi • Southern District, Zomba Plateau; Long 12529; E; private herbarium Bruggeman-Nannenga .

Nigeria • Ogun State, Ijebe-Ode; savanne area S of Idowa , bank in partial shade; McFarlane 275; private herbarium Bruggeman-Nannenga, a few mixed between F. pellucidus Hornsch .

Sudan • Schweinfurth s.n.; type specimen F. schweinfurthii MNHN [ PC0095370 ] .

Togo • circ. De Klouto ; an der Strasse Palimé-Klouto, etwa auf der halben Höhe des Gebirgsrandes , oberhalb des Wasserfalls; erdig-felsige Böschung; 300-400 m alt.; 8.X.1973; Hiepko & Schultze-Motel 393; NY, MO, L .

Figures

FIG. 6. — Fissidens schweinfurthii (Müll.Hal.) Paris:A, stem; B1-B3, leaves;C, leaf apex;D, leaf apex and mid leaf; E, mid leaf; F, insertion of vaginant lamina with intramarginal limbidium ending above the insertion; G, H, insertions of leaves with marginal limbidium reaching the insertion; I, J, papillae mid vaginant laminal cells (I, deep focused, J, surface view); K, cross-section dorsal lamina and L, cross-section of vaginant lamina. A, from Porembski & Biedinger 1508; B, private herbarium Bruggeman-Nannenga; B1, and F, from Dorr 3055; MO, L; B2, B3, and E, from type F. schweinfurthii; MNHN[PC0095370]; C, from Lisowski 4225; KRAM; D, from Kiss 9443/EE; L, EGR; G, from McFarlane 275; private herbarium Bruggeman-Nannenga; H, from Hiepko & Schultze-Motel 393; NY, MO, L; I, and J, from Lisowski 65116; KRAM;K, from Long 12529; private herbarium Bruggeman-Nannenga;L, from Porembski 515; private herbarium Bruggeman-Nannenga. Scale bars: A, 1 mm; B, 0.5 mm; C-H, 100 μm; I-L, 20 μm.

FIG. 3. — Fissidens sciophyllus Mitt.,subsp. capeverdensis subsp.nov.: A, stem;B and C, perigonial branches (or stems?);D, perichaetial stem;E, leaves;F-I, leaf apices,showing some variations of this subspecies;J, mid leaf;K, basal part of leaf;L, capsule;A, I, from Lindlar 404; B-D, H, J, K, from Lindlar 107; E, from Lindlar 410; F, from Lindlar 93; G, from Lindlar 91 (all private herbarium Bruggeman-Nannenga); L, from holotype (L). Scale bars: A-D, L, 1 mm; E, 0.5 mm; F-K, 100 μm.