Frullania gibbosa Nees

Silva, Jainara Pereira, Oliveira-da-Silva, Fúvio Rubens, Ilkiu-Borges, Anna Luiza & Fernandes, Rozijane Santos, 2021, Leafy liverworts of Chapada das Mesas National Park: a floristic survey and checklist of the leafy liverworts of Maranhão state, Brazil, Check List 17 (1), pp. 479-495 : 483

* Frullania gibbosa Nees

Material examined. BRAZIL • Maranhão, município de Carolina, Parque Nacional Chapada das Mesas, Rio Buenos Aires , sobre serrapilheira, mata de galeria, próxima a margem do rio; 06°56′S, 047°20′W; alt. 228 m; 29 Oct. 2017; JAS Silva 156; CCAA 1585 .

** Frullania intumescens (Lehm. & Lindenb.) Lehm.

& Lindenb.

Figure 3A

Material examined. BRAZIL • Maranhão, Parque Nacional Chapada das Mesas, Rio Laje, sobre rochas próximo à casa do Síduca; 06°59′S, 047°22′W; alt. 243 m; 4 Feb. 2020; JAS Silva 467; CCAA 2343 . Maranhão, Parque Nacional Chapada das Mesas, Trilha morro do Dodô , sobre rochas; 07°05′S, 047°26′W; alt. 256 m; 5 Feb. 2020; JAS Silva 515; CCAA 2337 .

Identification. Plants green, brown, or reddish-brown, irregularly pinnate, bipinnate to tripinnate branched. Hemiphyll entire associated with a lobule. Leaves imbricate, ovate, strongly convex, margins entire, dorsal base auriculate, apex slightly acute to apiculate, incurved; median cells elongated, trigones nodulose. Lobules erect, subparallel to the stem, subcylindrical (attenuated at base), rarely laminate, beak absent. Stylus filiform, 2‒4 cells in a row, 1 cell wide at base. Underleaves subimbricate to imbricate, ovate, 1/3‒1/4 bifid, margins entire, recurved, apex acute, base rounded to auriculate, recurved, insertion line curved.

Frullania intumescens is characterized by leaf lobes strongly convex, with strongly incurved, acute to apiculate margin, underleaves usually subimbricate, with margin recurved and base varying from rounded to auriculate.

Description and illustration. Lima et al. (2018: 978– 980, fig. 5).

Figures

Figure 3. Leafy liverworts of the Chapada das Mesas National Park; A. Frullania intumescens; B. Frullania platicalyx; C. Frullania rio-janeirensis; D. Ceratolejeunea cubensis; E. Cheilolejeunea acutangula; F. Cheilolejeunea adnata var.adnata; G. Cheilolejeunea intertexta; H. Cheilolejeunea trifaria; I. Lejeunea juruana; J. Lejeunea quinqueumbonata; K. Metalejeunea cucullata; L. Zoopsidella integrifolia; M. Zoopsidella macella; N. Lophocolea bidentata; O. Plagiochila raddiana; P. Plagiochila simplex (Scale bar: A-B, F-G, P= 20 µm; C-D, H-O= 100 µm; E= 300 µm).