Genus:
Avena L.

Avena chinensis (Fisch. ex Roem. & Schult.) Metzg.

This species is accepted, and its native range is a cultigen from Central Europe.

[GB]
Morphology Reproductive morphology Flowers
Anthers 3. Ovary pubescent all over.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; 8 mm long; hairy all over. Hilum linear. Disseminule comprising a caryopsis.
Distribution
Europe: central, southwestern, and eastern. Asia-temperate: Siberia, Soviet far east, Soviet Middle Asia, Caucasus, China, and Mongolia.
Reference
Aveneae. Fl Eur 1997.
Morphology General Habit
Annual. Culms erect; 45-90 cm long. Culm-nodes glabrous. Leaves cauline. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane. Leaf-blades 10-20 cm long; 3-7 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; pyramidal; 15-25 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 3-6 fertile florets; with a barren rhachilla extension. Spikelets cuneate; laterally compressed; 25-35 mm long; persistent on plant. Rhachilla internodes glabrous. Floret callus glabrous.
Fertile
Spikelets comprising 3-6 fertile florets; with a barren rhachilla extension. Spikelets cuneate; laterally compressed; 25-35 mm long; persistent on plant. Rhachilla internodes glabrous. Floret callus glabrous.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes similar; shorter than spikelet; similar to fertile lemma in texture. Lower glume lanceolate; 15-25 mm long; 1 length of upper glume; membranous; without keels; 7-9 -veined. Lower glume apex acuminate. Upper glume lanceolate; 15-25 mm long; 0.9-1 length of adjacent fertile lemma; membranous; without keels; 7-9 -veined. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile florets all alike, or with the lowest dissimilar. Lowest fertile lemma muticous, or awned (15-20mm). Fertile lemma lanceolate; 18-25 mm long; membranous; without keel; 7-9 -veined. Lemma lateral veins distinct. Lemma surface glabrous. Lemma apex dentate; 2-4 -fid; muticous.

Native to:

Austria, Germany

Introduced into:

Belarus, China North-Central, China South-Central, China Southeast, Primorye, Xinjiang

Avena chinensis (Fisch. ex Roem. & Schult.) Metzg. appears in other Kew resources:

First published in Eur. Cereal.: 53 (1824)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
  • Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

Literature

Kew Backbone Distributions

  • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
  • Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

  • 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 2022. 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 2022. 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