Poaceae
Elymus

Elymus lenensis (Popov) Tzvelev

First published in Novosti Sist. Vyssh. Rast. 10: 24 (1973)
This species is accepted
The native range of this species is Siberia. It is a perennial and grows primarily in the temperate biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: low confidence
[AERP]

Morphology General Habit
Perennial; caespitose. Culms 20-40 cm long. Culm-internodes distally glabrous. Ligule an eciliate membrane. Leaf-blades involute; 1-1.5 mm wide. Leaf-blade surface smooth; glabrous.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 1; single; straight; bilateral; 4-6 cm long. Rhachis flattened. Spikelet packing broadside to rhachis; lax. Spikelets solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 4-7 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 4-7 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet. Lower glume oblong; 5 mm long; 0.75 length of upper glume; coriaceous; without keels; 3 -veined. Lower glume lateral veins ribbed. Lower glume apex acute; mucronate. Upper glume oblong; 7 mm long; 1 length of adjacent fertile lemma; coriaceous; without keels; 5 -veined. Upper glume lateral veins ribbed. Upper glume apex acute; awned; 1 -awned. Upper glume awn 2 mm long.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate to oblong; 7-8 mm long; coriaceous; keeled; keeled above; 5 -veined. Lemma apex acute; awned; 1 -awned. Principal lemma awn 7-8 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; elliptic; membranous. Anthers 3. Stigmas 2. Ovary pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Asia-temperate: Siberia.
Reference
Triticeae. Popov 1997.
[GB]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • 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 2026. 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 2026. 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