1. Family: Poaceae Barnhart
    1. Genus: Rostraria Trin.
      1. Rostraria obtusiflora (Boiss.) Holub

        This species is accepted, and its native range is Aegean Islands to Afghanistan.

    [GB]
    Habit
    Annual. Culms erect, or geniculately ascending; 20-45 cm long. Leaf-sheaths glabrous on surface, or pilose. Ligule an eciliate membrane. Leaf-blades convolute; 7-15 cm long; 2-3 mm wide; glaucous. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; linear, or lanceolate; 3-7 cm long; 0.5-1 cm wide. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; dissimilar; exceeding apex of florets; similar to fertile lemma in texture; shiny; gaping. Lower glume lanceolate; 2-2.5 mm long; 0.66 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface glabrous. Lower glume apex acute. Upper glume ovate; 3-3.5 mm long; 0.75 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume lateral veins ribbed. Upper glume surface glabrous. Upper glume apex acute.
    Florets
    Fertile lemma obovate; 4 mm long; membranous; much thinner on margins; keeled; 5 -veined. Lemma lateral veins ribbed. Lemma surface glabrous. Lemma apex dentate; 2 -fid; obtuse; muticous, or mucronate. Palea gaping; hyaline. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3. Ovary glabrous.
    Distribution
    Asia-temperate: Soviet Middle Asia and western Asia.
    Reference
    Aveneae. Fl Iran 1993.

    Images

    Distribution

    Native to:

    Afghanistan, Cyprus, East Aegean Is., Greece, Iran, Iraq, Kriti, Lebanon-Syria, Palestine, Sinai, Tadzhikistan, Turkey

    Rostraria obtusiflora (Boiss.) Holub appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Kotschy, K.G.T. [131], Iran K000795075 isotype
    Kotschy, K.G.T. [131], Iran K000795071 isotype
    Gaillardot, C. [s.n.], Syria Rostraria amblyantha K000808755
    Gaillardot, C. [s.n.], Syria Rostraria amblyantha K000808757
    Blanche, E. [1870], Syria Rostraria amblyantha K000808756

    First published in Folia Geobot. Phytotax. 9: 271 (1974)

    Accepted by

    • Vladimirov, V. & al. (eds.) (2017). New floristic records in the Balkans: 33 Phytologia Balcanica 23: 281-329.
    • Bergmeier, E., Blockeel, T., Böhling, N., Fournaraki, C., Gotsiou, P., Jahn, R., Lansdown, R. & Turland, N. (2011). An inventory of the vascular plants and bryophytes of Gavdopoula island (S Aegean, Greece) and its phytogeographical significance Willdenowia 41: 179-190.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
    • Danin, A. (2004). Distribution Atlas of Plants in the Flora Palaestina area: 1-517. The Israel Academy of Sciences and Humanities, Jerusalem.
    • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.

    Literature

    Kew Backbone Distributions
    • Vladimirov, V. & al. (eds.) (2017). New floristic records in the Balkans: 33 Phytologia Balcanica 23: 281-329.
    • Hassler, M. (2012). Flora of Rhodes. Systematic list of flora of Rhodes http://www.rz.uni-karlsruhe.de/~db111/flora/rhodos/list.php.
    • Bergmeier, E., Blockeel, T., Böhling, N., Fournaraki, C., Gotsiou, P., Jahn, R., Lansdown, R. & Turland, N. (2011). An inventory of the vascular plants and bryophytes of Gavdopoula island (S Aegean, Greece) and its phytogeographical significance Willdenowia 41: 179-190.
    • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
    • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
    • Meikle, R.D. (1985). Flora of Cyprus 2: 833-1970. The Bentham-Moxon Trust Royal Botanic Gardens, Kew.
    • Ovczinnikov, P.N. (ed.) (1957). Flora Tadzhikskoi SSR 1: 1-547. Izd-vo Akademii nauk SSSR, Moskva.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. 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 2020. 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