Novelties inThelypterissubg.Goniopteris (Thelypteridaceae, Pteridophyta)in Cuba

Manuel G. Caluff, Carlos Sánchez
2004 Willdenowia  
Caluff, M. G. & Sánchez, C.: Novelties in Thelypteris subg. Goniopteris (Thelypteridaceae, Pteridophyta) in Cuba. -Willdenowia 34: 511-523. -ISSN 0511-9618; © 2004 BGBM Berlin-Dahlem. Four new species and one new subspecies are described from Cuba: Thelypteris minutissima, T. crassipila, T. jarucoensis, T. leonina and T. sclerophylla subsp. latifolia. New records for Cuba are T. abrupta, T. alata and T. alata var. subpinnata, the latter name being a new combination validated here. Thelypteris
more » ... nutissima Caluff & C. Sánchez, sp. nova Holotype: E Cuba, Prov. Guantánamo, "Yunque de Baracoa", 400-500 m, 22.1.2002, Sánchez & al. PFC 79469 (HAJB; isotypes: B, BSC) -Fig. 1. Rhizoma breviter repens, 5-10 mm longum, 1.5-2 mm crassum, paleis deltato-acuminatis vel deltato-lanceolatis, 0.7-1 mm longis, 0.2-0.4 mm latis obsitum. Folia monomorpha, ad 7 cm longa; petiolus 10-23 mm longus, 2-3 mm crassus; lamina pinnata, 3-5 cm longa, 1.3-1.5 cm lata; pinnae 6-10-jugae, ovatae vel ovato-oblongae, maximae ad 8 mm longae et 4-5 mm latae; nervi liberi, in quaque pinna (2-)3(-4)-jugi; petiolus cum rhachide et lamina pilis 0.7-1 mm longis simplicibus pluricellularibus translucidis abunde pubescens, pilis bifurcatis et stellatis sparsim intermixtis. Sori exindusiati; sporangia glabra. Rhizome short-creeping, 5-10 mm long and 1.5-2 mm in diameter; scales basifixed, deltate-attenuate to deltate-lanceolate, 0.7-1 × 0.2-0.4 mm, reddish brown, lustrous, apex gradually attenuate, base truncate, entire, with scattered stellate trichomes 0.1-0.2 mm long. Leaves monomorphic, 8-16 per plant, fasciculate, erect-arched, up to 7 cm long; petiole 10-23 mm long and 0.2-0.3 mm thick, reddish brown, densely covered with simple, pluricellular, semitranslucent, erect 0.7-1 mm long trichomes and very sporadic, much smaller, forked and stellate ones, also with numerous yellowish red, shortly stipitate glands, and, at the base, with scales similar to those of the rhizome, almost hidden in the dense pubescence; blade deltate-attenuate to deltate-lanceolate, 1-pinnate, 3-5 × 1.3-1.5 cm, apex very shortly pinnatifid, non-proliferous, with an apical lobe Willdenowia 34 -2004 511
doi:10.3372/wi.34.34214 fatcat:f25lrgqabnhutg3h43jszrarcm