Stipellula capensis (Thunb.) Röser & Hamasha

Vázquez, Francisco Maria, Márquez, Francisco, García, David & Oualidi, Jalal El, 2025, A taxonomic revision of Stipeae s. l. tribe (Poaceae) in N Africa, Phytotaxa 699 (1), pp. 1-174 : 114

Stipellula capensis (Thunb.) Röser & Hamasha ( Figure 65 (1)).

Lemma dorsal surface: Characterised by rectangular to quadrangular long cells of (7–)8–24(–31) × 12–14(–16) µm, smooth to undulated walls up to 1 µm thick, linear distribution. Short cells: main Silica cells 12–19(–22) × 14–20(–24) µm, circular to ovoid, frequently solitary, occasionally in pairs or threes with cork cells, between long cells, density 42–61(–64) silica cells/100 µm 2; Cork cells (2–)4–8(–9) × 12–18 µm, fusiform to reniform, sporadic, in all cases with silica cells. Spines and hairs: Hooks not studied; Prickles obovate to circular base (17–)22–29(–35) × 20–27(–29) µm, and up to 75 µm long, irregularly distributed between long cells, solitary, density <3 prickles/100 µm 2; Macro-hairs 600–1100(–1370) µm long, circular to obovate base 22–36(–43) × 22–29(–32) µm, irregularly distributed across entire surface, combined with Macro-hairs up to 210 µm long, and circular to obovate base 20–32(–38) × 21–27(–30) µm irregularly distributed between long cells.

Lemma apical surface: Characterised by similar long cell morphology, wall characteristics and distribution, length to 42 µm. Short cells: Silica cells equal in size, morphology and distribution, lower density to 28 silica cells/100 µm 2; Cork cells of equal size, morphology, distribution and density. Spines and hairs: Hooks not studied; Prickles of equal size, morphology and distribution, denser up to> 4 prickles/100 µm 2; Macro-hairs of equal size, morphology and distribution, more frequent towards distal end of lemma apex.

Material studied: Morocco: Benslimane , Ben Slimane , Ziaida. Entre Boulhaut y Sidi Bettache. Jebel Ech Charef, 33.53753, -6.96475, 16-IV-2019, Suelo pizarroso, M . Chambouleyron , R . Lorenz & F . M . Vázquez , HSS n.n; Khémisset , Tiddas (Tedders), Camino hacia Moslem cemetery, 33.58129, -6.2469, 17-IV-2019, Roquedos cuarcíticos, M . Chambouleyron , R . Lorenz & F . M . Vázquez , HSS n.n.

Figures

FIGURE 65. Lemma surface Stipellula. capensis. (1) and Stipellula nitens (2). A. Lemma central dorsal surface view. B. Lemma dorsal margin surface view. C. Lemma apex. lc. Long cell. sc. Silica cell. cc. Cork cell. h. Hook. p. Prickle. mh: Macro-hair. Bars indicate 100 µm.