Plagiothecium funale J.T.Wynns, Cladistics 34(5): 483. 2018 [11 October 2017]

Wolski, Grzegorz J., Latoszewski, Mikolaj, Cargill, D. Christine & Buck, William R., 2024, Re-assessment of type material of Plagiothecium novae-seelandiae Broth. and descriptions of four new Plagiothecium taxa (Bryophyta, Plagiotheciaceae) from Australasia, PhytoKeys 238, pp. 95-117 : 95

Plagiothecium funale J.T.Wynns, Cladistics 34(5): 483. 2018 [11 October 2017]

Type.

Holotype: New Zealand, Nelson Province, growing on bark of Nothofagus menziesii in beech forest along highway between Reefton and Spring Junction, leg. L. Visch 618, 14 Jan. 1974 (DUKE156843). Isotypes: (MO2408073!, CHR267040!) .

Description.

Plants medium-size, yellowish to yellow-green, forming fairly dense mats; stems 2.0-4.0 cm long, in cross-section rounded, the central strand well developed, epidermal cells thick-walled, the parenchyma thin-walled; leaves asymmetrical, lanceolate, plicate and undulate, i.e., transversely folded, concave, long-acuminate; leaves from middle of stem 1.6-2.2 μm long and width measured at widest point 0.6-0.8 μm; apex not denticulate; costae two, weak and thin, not exceeding more than ⅓ of the leaf length; laminal cells asymmetrical, length and width variable but dependent on location: 100-150 × 6-7 μm at midleaf, cell areolation narrow; decurrency of 2-3 rows of rectangular cells forming triangular or wedge-shaped auricles, 150-200 μm long; sporophytes orange, seta reddish below, 2 cm long; capsules cylindrical and inclined; sexual condition unknown (Fig. 6 ).

Plagiothecium funale types were recorded from New Zealand, Nelson Province, along highway between Reefton and Spring Junction (MO2408073!, CHR267040!), on bark of Nothofagus menziesii in beech forest (MO2408073!, CHR267040!).

Figures

Figure 6. Selected taxonomic features of Plagiothecium funale A, B shape and dimensions of leaves C folding of the apex of the leaf D dimensions and shape of cells from middle part of the leaf E narrow decurrency composed of rectangular cells (from the type of material of P. funale CHR 267040!, MO 2408073!, photo. G. J. Wolski, November 2022 and July 2023).