Poaceae

Spartochloa C.E.Hubb.

First published in Kew Bull. 7: 308 (1952)
This genus is accepted
The native range of this genus is SW. Australia.

Descriptions

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Morphology General Habit
Perennial. Culms erect; 50-70 cm long; wiry. Leaves with blades commonly suppressed, transferring photosynthetic function to sheath and culm. Ligule a fringe of hairs. Leaf-blades deciduous at the ligule; linear, or triangular. Leaf-blade midrib evident.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle contracted. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels filiform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 4-8 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 6-10 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 4-8 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 6-10 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 1 length of upper glume; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume ovate; 0.75 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; laterally compressed; cartilaginous; without keel; 5-7 -veined. Lemma apex acute. Palea 1 length of lemma; 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; fleshy. Anthers 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; ovoid; trigonous.
Distribution
Australasia.
[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

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 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 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0