Ammophila breviligulata

Fernald
Endemic
Treatment appears in FNA Volume 24. Treatment on page 777.

Culms 50-130 cm. Ligules 1-3 (4.6) mm, truncate to obtuse, ciliolate; blades 15-80 cm long, 4-8 mm wide when flat, usually involute, 0.5-2.5 mm in diameter when involute; flag leaf blades 5-39 cm. Panicles 9-40 cm long, 10-25 mm wide, stramineous. Glumes 8-15 mm, exceeding the florets; callus hairs 1-3 mm; lemmas 8-11.5(14) mm, somewhat thicker than the glumes, apices acute, entire, unawned, rarely mucronate, mucros to 0.2 mm, subterminal; anthers 3-7 mm.

Distribution

Conn., N.J., N.Y., Wash., Va., Del., Wis., N.H., N.C., Pa., R.I., B.C., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Mass., Maine, Vt., Calif., Ill., Ind., Md., Ohio, Minn., Mich., S.C., Oreg.

Discussion

The two subspecies overlap in their morphological characteristics and occupy similar habitats, the primary difference between them being their flowering time.

Selected References

None.

Key

1 Flowering late July to September; panicles (9.5)13-40 cm long; anthers 3.5-7 mm long Ammophila breviligulata subsp. breviligulata
1 Flowering late June to early July; panicles 9-17 cm long; anthers 3-4.5 mm long Ammophila breviligulata subsp. champlainensis
... more about "Ammophila breviligulata"
Mary E. Barkworth +
Fernald +
Conn. +, N.J. +, N.Y. +, Wash. +, Va. +, Del. +, Wis. +, N.H. +, N.C. +, Pa. +, R.I. +, B.C. +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, P.E.I. +, Que. +, Mass. +, Maine +, Vt. +, Calif. +, Ill. +, Ind. +, Md. +, Ohio +, Minn. +, Mich. +, S.C. +  and Oreg. +
Gramineae +
Ammophila breviligulata +
Ammophila +
species +