FIGURE 1 in A new synonym and a new combination in Stipa aliena Keng (Poaceae: Stipa sect. Regelia)

FIGURE 1. SEM morphology of the callus and lemma in Stipa turkestanica subsp. trichoides (1), S. regeliana (2), S. aliena (3), Achnatherum pekinense (4): (a) callus; (b–c) structure of the dorsal surface of lemma, (b) superior view, (c) lateral view. Abbreviations: h—hook, l—long cell, mh—macrohair, s—silica body, c—cork cell. All hooks are orientated to the distal apex. Vouchers: (1) Tajikistan, Zeravshan Mts, Iskanderdaria River Valley, E of Serimadarun Lake (near Iskanderkul Lake), 14 June 2011, M. Nobis (KRA); (2) A.A. Yunatov, Yuan U-fen 623 (LE); (3) R.J. Soreng, P.M. Peterson, S. Hang (KUN 96455); (4) Japan, Shitoo Bitchuu-choo, prof. Okayama (prov. Bitchuu), 13 October 1983, M. Furuse 52250 (NY).