Difference between revisions of "Ammophila breviligulata"
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|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Latest revision as of 16:21, 11 May 2021
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.
Lower Taxa
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 |