Festuca subg. Obtusae

E.B. Alexeev
Treatment appears in FNA Volume 24. Treatment on page 400.

Plants loosely cespitose, without rhizomes. Innovations extravaginal. Blades lax, flat or convolute; ribs shallow and indistinct; sclerenchyma girders present at the major veins. Calluses wider than long, scabrous at the margins; lemmas stiffly chartaceous, entire, unawned; ovary apices densely pubescent.

Discussion

Festuca subg. Obtusae has been divided into two sections. The two species which occur in eastern North America belong to Festuca sect. Obtusae E.B. Alexeev. A third species, F. japonica Makino, belongs in Festuca sect. Fauria E.B. Alexeev.

Selected References

None.

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Stephen J. Darbyshire +  and Leon E. Pavlickf +
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Gramineae +
Festuca subg. Obtusae +
subgenus +