Poaceae
Agrostis

Agrostis subulifolia Stapf

First published in Bull. Misc. Inform. Kew 1910: 130 (1910)
This species is accepted
The native range of this species is S. Africa. It is a perennial or annual and grows primarily in the subtropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/44392615/44416648

Conservation
LC - least concern
[IUCN]

Morphology General Habit
Perennial; caespitose. Culms weak; 5-30 cm long. Ligule an eciliate membrane. Leaf-blades filiform; conduplicate; 1-7 cm long; 0.5-1 mm wide; stiff.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open, or contracted; linear, or lanceolate; 1.5-8 cm long. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 2-3 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 2-3 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume lanceolate; 2-3 mm long; 1 length of upper glume; membranous; purple; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 2-3 mm long; 1.1-1.2 length of adjacent fertile lemma; membranous; purple; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 1.7-2.7 mm long; membranous; without keel; 5 -veined. Lemma surface glabrous. Lemma apex dentate; 4 -fid; truncate; muticous, or awned. Principal lemma awn dorsal; arising 0.33 way up back of lemma; straight; 0-1.5 mm long overall; without a column. Palea 0.66 length of lemma; hyaline; 2 -veined.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum linear. Endosperm farinose.
Distribution
Africa: south.
Reference
Aveneae. Gr S Afr 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/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/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