Festuca versuta

Common names: Texas fescue
Treatment appears in FNA Volume 24. Treatment on page 400.
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Illustrator: Cindy Roché

Copyright: Utah State University

Plants loosely cespitose, without rhizomes. Culms 50-100 cm, glabrous, somewhat glaucous; nodes usually exposed. Sheaths closed for less than 1/3 their length, glabrous or sparsely pubescent, shredding into fibers; ligules 0.5-1 mm; blades 2-10 mm wide, flat, loosely conduplicate, or involute, abaxial surfaces smooth or scabrous, glabrous or puberulent, adaxial surfaces smooth or scabrous, veins 13-35, ribs obscure; sclerenchyma in abaxial and adaxial strands; girders formed at most major veins. Inflorescences (8)10-30(40) cm, open, with 1-2 branches per node; branches lax, spreading, spikelets borne towards the ends of branches. Spikelets 6-11 mm, sometimes glaucous, with (2)3-5 florets. Glumes lanceolate, smooth or scabrous, acuminate; lower glumes 4-7 mm; upper glumes 5-7.5 mm; lemmas 5-8 mm, chartaceous, lanceolate, glabrous, usually smooth, sometimes scabrous towards the apices, apices acute to acuminate, unawned, sometimes mucronate; paleas as long as or slightly shorter than the lemmas, intercostal region puberulent distally; anthers 2-3 mm; ovary apices densely pubescent. 2n = unknown.


Kans., Tenn., Ark., Okla., Tex.


Festuca versuta grows in moist, shaded sites on rocky slopes in open woods, from Oklahoma and Arkansas to Texas. It is an uncommon species.

Selected References


Lower Taxa