Poaceae
Agrostis

Agrostis inaequiglumis Griseb.

First published in Nachr. Königl. Ges. Wiss. Georg-Augusts-Univ. 3: 80 (1868)
This species is accepted
The native range of this species is Nepal to Myanmar. It is an annual and grows primarily in the temperate biome.

Descriptions

Morphology General Habit
Annual; caespitose; clumped densely. Culms erect; 4-5 cm long. Ligule an eciliate membrane; 1 mm long; erose. Leaf-blades convolute; 2-3 cm long; 1-2 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle contracted; linear; 2.5-4 cm long. Primary panicle branches not whorled, or whorled at most nodes. Panicle branches capillary; smooth. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 1-1.5 mm long; smooth.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets elliptic; laterally compressed; 2-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Spikelet callus glabrous.
Fertile
Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets elliptic; laterally compressed; 2-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Spikelet callus glabrous.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume lanceolate; 2 mm long; 0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 2.5 mm long; 1.7 length of adjacent fertile lemma; membranous; 1-keeled; 1(-3) -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent, or obscure. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 1.5 mm long; hyaline; without keel; 5 -veined. Lemma apex muticous. Palea absent or minute. Rhachilla extension glabrous.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 0.4 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; 1 mm long.
Distribution
Asia-tropical: India.
Reference
Aveneae. Fl Assam 1993.
[GB]

Sources

  • GrassBase - The Online World Grass Flora

    • Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora.
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0