Trocholejeunea, Schiffner, 1932

Wang, Jian, Gradstein, S. Robbert, Cheng, Xia-Fang & Zhu, Rui-Liang, 2014, A new species of Trocholejeunea (Lejeuneaceae, Marchantiophyta) from China, Phytotaxa 174 (5), pp. 296-300 : 297

Key to the species of Trocholejeunea

1. First tooth of the lobule situated at the extreme end of the free margin, near the junction of the lobule and the lobe ....... T. sinensis

1. First tooth of the lobule not situated at the extreme end of the free margin.......................................................................................3

2. Plants large, 3.0– 3.5 mm wide; leaf lobule with 5–8 teeth ...................................................................................... T. meghalayensis

2. Plants smaller, less than 2.5 mm wide; leaf lobule with 2–5 teeth.....................................................................................................4

3. Leaf lobes obliquely ovate, with narrow, obtuse apex, not squarrose when moist; perianth keels irregularly knot-like and expanded................................................................................................................................................................................................... ........................................................................................................................................................................................... T. infuscata

3. Leaf lobes ovate with broadly rounded apex, squarrose when moist; perianth keels ± flexuose, not irregularly knot-like and expanded ............................................................................................................................................................................................5

4. Apex of leaf lobes and underleaves strongly recurved; underleaves large, 0.8–1 mm wide; dioicous......................... T. crassicaulis

4. Apex of leaf lobes plane, apex of underleaves plane or slightly recurved; underleaves less than 0.8 mm wide; autoicous ............... ...................................................................................................................................................................................... T. sandvicensis