- Family:
- Poaceae Barnhart
Psathyrostachys juncea (Fisch.) Nevski

[GB]
- Morphology General Habit
- Perennial; caespitose. Butt sheaths grey, or light brown; glabrous. Culms 20-110 cm long; 2-4 -noded. Culm-internodes distally glabrous. Leaf-sheath oral hairs lacking. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 0.2-0.3 mm long. Leaf-blades flat, or involute; 6-30 cm long; 7-18 mm wide; glaucous, or grey-green. Leaf-blade surface scabrous; rough abaxially, or on both sides; glabrous. Leaf-blade margins scabrous.
- Morphology Reproductive morphology Inflorescences
- Inflorescence composed of racemes. Peduncle pubescent above. Racemes 1; single; bilateral; 4.5-12.5 cm long; 5-12 mm wide. Rhachis fragile at the nodes; pubescent on surface; ciliate on margins. Spikelet packing broadside to rhachis. Rhachis internodes cuneate; 3.7-6 mm long; falling with spikelet above. Spikelets in threes. Fertile spikelets sessile; 3 in the cluster; subequal.
- Morphology Reproductive morphology Inflorescences Spikelets
- Spikelets comprising 1-3 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 6.1-9.4 mm long; 1.4-1.8 mm wide; falling entire; deciduous with accessory branch structures.
- Fertile
- Spikelets comprising 1-3 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 6.1-9.4 mm long; 1.4-1.8 mm wide; falling entire; deciduous with accessory branch structures.
- Morphology Reproductive morphology Inflorescences Bracts Glume
- Glumes collateral; similar; exceeding apex of florets; gaping. Lower glume subulate; 4.5-9.4 mm long; 1 length of upper glume. Lower glume surface scabrous; glabrous to pubescent; hairy generally, or below. Lower glume hairs 0.2-0.5 mm long. Upper glume subulate; 4.5-9.4 mm long. Upper glume surface scabrous; glabrous to puberulous; hairy generally, or below. Upper glume hairs 0.2-0.5 mm long.
- Morphology Reproductive morphology Flowers Florets
- Fertile lemma lanceolate; 6.1-9.4 mm long; coriaceous; without keel; 7 -veined. Lemma surface glabrous to pubescent; hairy below. Lemma hairs 0.1-0.5 mm long. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 2-3 mm long overall. Palea coriaceous. Rhachilla extension 3.2-6.2 mm long.
- Morphology Reproductive morphology Flowers
- Anthers 3.8-5.1 mm long. Ovary pubescent on apex.
- Morphology Reproductive morphology Fruits
- Caryopsis with adherent pericarp; 4.3-5 mm long. Hilum linear.
- Distribution
- Europe: eastern. Asia-temperate: Siberia, Soviet Middle Asia, western Asia, China, and Mongolia. South America: western South America.
- Reference
- Triticeae. Baden 1992.
Native to:
Afghanistan, Altay, Central European Rus, China North-Central, East European Russia, Inner Mongolia, Irkutsk, Kazakhstan, Kirgizstan, Krasnoyarsk, Mongolia, South European Russi, Tadzhikistan, Tuva, Uzbekistan, West Siberia, Xinjiang, Yakutskiya
Introduced into:
Alaska, Alberta, Arizona, Bolivia, Colorado, Italy, Manitoba, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Saskatchewan, South Dakota, Texas, Utah, Washington, Wyoming, Yukon
- Elymus alberti Regel
- Elymus altaicus A.Spreng.
- Elymus caespitosus Sukaczev
- Elymus cretaceus Zingone ex Nevski
- Elymus desertorum Kar. & Kir.
- Elymus hyalanthus Rupr.
- Elymus junceus Fisch.
- Elymus kokczetavicus Drobow
- Psathyrostachys caespitosa (Sukaczev) Peschkova
- Psathyrostachys desertorum (Kar. & Kir.) Agaf.
- Psathyrostachys hyalantha (Rupr.) Tzvelev
- Psathyrostachys juncea var. desertorum (Kar. & Kir.) Tzvelev
- Psathyrostachys juncea subsp. hyalantha (Rupr.) Tzvelev
- Psathyrostachys juncea var. hyalantha (Rupr.) S.L.Chen
- Psathyrostachys perennis Keng
- Triticum juncellum F.Herm.
Psathyrostachys juncea (Fisch.) Nevski appears in other Kew resources:
Date | Reference | Identified As | Barcode | Type Status | Has image? |
---|---|---|---|---|---|
Jan 1, 1989 | s.coll. [s.n.], Russian Federation | K000457820 | No | ||
Jan 1, 1989 | s.coll. [s.n.] | K000457821 | No | ||
Jan 1, 1989 | Karelin, G.S. [529], Kazakhstan | K000457829 | isolectotype | Yes | |
Jan 1, 1989 | Maljczev, N. [5342], Russian Federation | K000457819 | No | ||
Jan 1, 1989 | s.coll. [3750], Kazakhstan | K000457823 | No | ||
Jan 1, 1989 | Karelin, G.S. [529], Kazakhstan | K000457828 | isolectotype | Yes | |
Jan 1, 1989 | Schrenck, A.G. von. [s.n.] | K000950536 | Yes | ||
Androssov, N. [3009], Kazakhstan | K000457822 | No | |||
Dewey, D.R. [531826], China | K000457830 | No | |||
Fefissow, L. [s.n.] | K000457825 | No | |||
Renvoize, S.A. [5208], Bolivia | K000457831 | No | |||
Smirnov, N.A. [s.n.], Central European Russia | K000457826 | No | |||
Kuznitzov, N.J. [692], Altay | K000457827 | No | |||
s.coll. [s.n.], Kazakhstan | K000457824 | No | |||
Schrenck, A.G. von. [s.n.], Xinjiang | K000950534 | Yes | |||
Bunge, A. [s.n.] | K000950535 | Yes |
First published in V.L.Komarov (ed.), Fl. URSS 2: 714 (1934)
Accepted by
- Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
- Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
- Engelmaier, P. & Wilhalm, T. (2018). Alien grasses (Poaceae) in the flora of the Eastern Alps Neilreichia 9: 177-245.
- Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
- Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
- Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
- Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
- Nowak, A. & Nobis, M. (eds.) (2020). Illustrated Flora of Tajikistan and adjacent areas 2: 367-766. PAN, Polish academy of sciences.
- Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
- Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
- Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
Literature
Kew Backbone Distributions
- Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
- Engelmaier, P. & Wilhalm, T. (2018). Alien grasses (Poaceae) in the flora of the Eastern Alps Neilreichia 9: 177-245.
- Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
- Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
- Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
- Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
- Merkodovich, N.A. (ed.) (1941). Flora Uzbekistana 1: 1-566. Izd-va Akademii nauk Uzbekskoi SSR, Tashkent.
- Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
- Ri?abinina, Z.N. & Kni?azev, M.S. (2009). Opredelitel sosudistykh rastenii Orenburgskoi oblasti: 1-757. Moskva: KMK.
- Roshevitz, R.J. & al. (eds.) (1950). Flora Kirgizskoi SSR 2: 1-315. Frunze : Izd-vo KirgizFAN SSSR.
- Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
- Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
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GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0
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Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
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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