Cyperus pannonicus, Jacq.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 287

16. C. pannonicus Jacq. , FI. Austr. 5: 29 (1778)

( Acorellus pannonicus (Jacq.) Palla ).

Caespitose, usually leafless annual or perennial; rhizomes very short; stems 1-40 cm; uppermost sheath sometimes with a lamina up to 5 cm x 1 mm. Bracts 2-3, conspicuously dilated at the base, the lower erect, forming an apparent prolongation of the stem, exceeding the inflorescence, the upper patent, shorter than to exceeding the inflorescence. Inflorescence a fascicle of 2-8 sessile spikelets. Spikelets 5-15 x 2-4 mm, broadly lanceolate or ovate, obtuse, with 10-40 flowers, ascending. Rhachilla not winged. Glumes l-5-2x 1- 5-2-5 mm, ovate or suborbicular, obtuse, reddish or purplishbrown, with pale greenish stripe c. 1 mm wide in the centre. Stamens 3. Nut | as long as to equalling the glumes, yellowishbrown. C. & S.E. Europe. Al Au Bu Cz Hu Ju Rm Rs (C, W, K, E).