Stipa almeriensis F. M. Vazquez 2006

Stipa almeriensis F.M. Vázquez (Figure 56 (1)). Lemma dorsal surface: Characterised by long rectangular cells of (10–)16–65(–81) × 10–18(–24) µm, surface concave to flat, sinuous walls up to 9 µm thick, linear distribution. Short cells: Silica cells of 8–16 × 8–12 µm, circular to obovate, occasional and in pairs with hook or in threes with hook and cork cells, situated between long cells, never solitary; Cork cells (2–)3–8(–12) × 8–12 µm, fusiform to arched, with a silica cell, sporadic. Spines and hairs: Hooks with short points (blunt), circular base 10–20(–24) × <2 µm high, regularly distributed between long cells, in pairs or threes with silica and cork cells, occasionally solitary, density 12–18 hooks/100 µm 2; Macro-hairs circular base 3–(–7) µm, more than 600 µm long, 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 longer up to 100 µm and up to 11 µm thick, sinuous wall. Short cells: Silica cells of 7–12 × 4–7 µm, similar distribution to those of dorsal part, but ovate to oblong morphology; Cork cells (2–)3–6 × 5–10 µm, oblong to sub-reniform (fewer), more frequent in the dorsal area. Spines and hairs: Hooks unpointed, ovate base 7–12(–14) × 5–9 µm, lower density than in dorsal area 6–10 hooks/100 µm 2; Prickles absent; Macro-hairs of obovate to circular base, located at margin leading up to apex. Awn base surface: Characterised by long cells of acute to oblique apex up to 290 µm in twisted, flat and angled parts. Short cells absent. Spines and hairs: Hooks absent; Prickles absent; Macro-hairs absent. Stomata paracytic (Parallel-sided subsidiary cells type), of linear distribution in flat parts and in groove between twists, density 40–80(– 100) stomata/ 1 cm 2. Material studied: Spain: Granada, Albuñuelas, sierra de Albuñuelas, 1356 msnm, 4-VI-2022, L. Concepción, D. M. & F. M. Vázquez HSS80853.