Bazzania revoluta (Steph.) N.Kitag.

Pócs, Tamás, 2023, New records for the liverwort and hornwort flora of Vietnam 2. Bazzania Gray and some other collections of Pierre Tixier in the National Museum of Natural History, France, Cryptogamie, Bryologie 20 (9), pp. 197-210 : 202

Bazzania revoluta (Steph.) N.Kitag.

( Figs 4C, D ; 6E, F )

SPECIMENS EXAMINED. — Vietnam. Lâm Đồng, Dalat , Manline , épiphyte en forêt dense, 1300 m, Tixier 274 ( PC [ PC0764725 ]); sur tronc en forêt d’Éricacées , 1400 m, Tixier 401 ( PC [ PC0764748 ]); Tuyên Duc, Mts Lang Bian , sur tronc en forêt, 1850 m, Tixier 402 ( PC [ PC0764753 ]).

ILLUSTRATIONS. — Under the synonym name of Bazzania recurvolimbata (Steph.) N.Kitag. in Kitagawa 1967: 266, fig. 6; Pócs 1969: 84-85, figs III-IV; and Zhou et al. 2012: 42, fig. 26.

NOTES

Shoot robust, 2-4 mm wide in wet state, 1-2 mm and convolute, when dry. The side leaves triangular-ovate, almost entire, very shortly tridentate or subentire at apex, The unic character of the species is that the hyaline margin of orbicular, often auriculate underleaves is strongly recurved, sometimes even saccate. Occurs from southern China to northern and central Thailand, in the whole Vietnam and in Sumatra ( Zhou et al. 2012).

Figures

FIG. 4. — Bazzania recurva (Mont.) Trevis.: A, habit, ventral view; B, leaf. Bazzania revoluta (Steph.) N.Kitag.: C, habit, ventral view; D, underleaf. Bazzania spiralis (Reinw. et al.) Meijer: E, habit, ventral view; F, leaf. Scale bars: A, 2 mm; C, 1 mm; B, E, F, 500 µm.

FIG. 6. — Species convolute in dry state.Bazzania praerupta (Reinw.et al.) Trevis.:A, habit,dorsal view;B, ventral view.Bazzania recurva (Mont.) Trevis.:C, D, habit, lateral view. Bazzania revoluta (Steph.) N.Kitag.: E, habit, dorsal view; F, habit, lateral view. Scale bars: A, B, 5 mm; C-F, 1 mm.