FIGURE 1. Lejeunea streimannii Y.M.Wei & R.L.Zhu. A in Lejeunea streimannii (Lejeuneaceae, Marchantiophyta), a remarkable new species with robust stems and 5(or 6)-keeled perianths from Papua New Guinea

FIGURE 1. Lejeunea streimannii Y.M.Wei & R.L.Zhu. A: part of plant with perianth, ventral view. B: part of plant with two androecia, ventral view. C, D: leaves, ventral view. E, F: a perianth showing its keels, ventral view (E), dorsal view (F). G, S: transverse sections of stem. H: marginal cells of leaf lobe. I: median cells of leaf lobe. J: basal cells of leaf lobe. K, L: transverse section of perianths. M, O: female bracts. N: female bracteole. P: leaf lobule with part of stem. Q, R: apex of leaf lobules. T: androecium. U, V: underleaves. A, C−S and U−V from H. Streimann 21509 (holotype), B and T from H. Streimann 33431 (paratype).