Stipa bufensis F. M. Vazquez, H. Scholz & Sonnentag 1999

Stipa bufensis F.M. Vázquez (Figure 60 (1)). Lemma dorsal surface: Characterised by rectangular to quadrangular long cells of 12–34 × 10–18 µm, smooth walls, up to 8 µm thick, linear distribution. Short cells: main Silica cells of 20–14 × 7–10 µm, oblong to obovate, sporadic and in pairs or threes with a hook, occasionally with a cork cell, situated between long cells, never solitary, more frequent at dorsal and less at margins; Cork cells 8–12 × 7–10 µm, fusiform to oblong, sporadic, always with a silica cell. Spines and hairs: Hooks circular to reniform base 10–14(–15) × 5–8 µm high, regularly distributed between long cells, in pairs or threes with silica, cork or additional hook cells, more frequently solitary, density 11–16 hooks/100 µm 2; Macro-hairs 180–350(–400) µm long, circular base 15–22 µm, regularly distributed in lines from mid-dorsal to base of lemma. Lemma apical surface: Characterised by long cells similar to those of the dorsal area, slightly shorter 8–22 × 7–12 µm. Short cells similar to those of dorsal area in size, morphology and distribution. Spines and hairs: Hooks of equal size, density, distribution, and morphology to dorsal; Prickles circular base 18–24 µm and up to 70 µm long, distributed at distal part of apex and up to 4 prickles/100 µm 2; Macro-hairs similar to those of dorsal area but up to 480 µm long, located at distal part of apex. Material studied: Morocco: Enjil, -459543/3714765, 1600 m.s.a.l., 20-V-2013, M. Chambouleyron (ECWP s.n. (HSSrf 43 (1/2)); Maatarka, 0504317/3657382, 1480 m.s.a.l., 27-IV-2017, M. Chambouleyron (ECWP s.n. (HSSrf 77 (1/2)).