Phleum arenarium

L.
Common names: Sand timothy
Introduced
Treatment appears in FNA Volume 24.

Plants annual. Culms 2-35 cm. Sheaths of the flag leaves inflated; auricles not developed; ligules 1.5-3 mm, rounded to acute; blades 1-5(7) cm long, 1.5-5 mm wide, flat or folded. Panicles 0.5-5.5 cm long, 3-7 mm wide, ovoid to shortly cylindrical, cuneate at the base, widest at or above midlength. Glumes 2.2-4.4 mm, oblong-lanceolate, keels ciliate, tapered, apices parallel or divergent, awns 0.3-1 mm, usually parallel, sometimes divergent; lemmas about 1/3 as long as the glumes, glabrous or pubescent; anthers 0.3-1.2 mm. 2n = 14.

Discussion

Phleum arenarium is native to maritime sands and shingles of southern and western Europe. It is known only from old ballast dump records in the Flora region.

Selected References

None.

Lower Taxa

None.