Skip to main content
This subspecies is accepted, and its native range is NE. U.S.A.

[GB]
Morphology General Habit
Perennial; caespitose. Rhizomes elongated. Culms erect, or geniculately ascending; 70-100 cm long. Ligule an eciliate membrane; 1-3 mm long; scarious. Leaf-blades convolute; 20-60 cm long; 2-6 mm wide. Leaf-blade surface ribbed; scaberulous.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle spiciform; linear; tapering above and tapering below; 13-16 cm long. Primary panicle branches appressed. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 10-11.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded.
Fertile
Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 10-11.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets. Lower glume lanceolate; 9-10.5 mm long; 0.9 length of upper glume; chartaceous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface asperulous. Lower glume apex acute. Upper glume lanceolate; 10-11.5 mm long; 1.1 length of adjacent fertile lemma; chartaceous; 1-keeled; 3 -veined. Upper glume surface asperulous. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 9-10.5 mm long; chartaceous; keeled; 5 -veined. Lemma surface scaberulous. Lemma apex acute. Palea 1 length of lemma; 2-4 -veined. Palea keels approximate. Rhachilla extension 0.25-0.33 length of fertile floret; pilose; hairy throughout but longer above.
Morphology Reproductive morphology Flowers
Anthers 3. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum linear.
Distribution
North America: northeast USA.
Reference
Aveneae. Seymour 2004.

Native to:

Maine, Massachusetts, New York, Vermont

Calamagrostis breviligulata subsp. champlainensis (F.Seym.) Saarela appears in other Kew resources:

First published in PhytoKeys 87: 86 (2017)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Kew Backbone Distributions

  • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0