Genus:
Poa L.

Poa masenderana Freyn & Sint.

This species is accepted, and its native range is Turkey to Caucasus and Iran.

[GB]
Morphology General Habit
Perennial; caespitose; clumped loosely. Rhizomes elongated. Butt sheaths herbaceous. Culms decumbent; 25-30(-45) cm long. Culm-internodes terete; smooth. Lateral branches lacking. Leaves mostly basal. Ligule an eciliate membrane; 0.5-1.5 mm long. Leaf-blades 10-30 cm long; 2-3(-5) mm wide; flaccid. Leaf-blade surface scaberulous; rough adaxially. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle; comprising 8-12 fertile spikelets. Panicle open; ovate; effuse; 7-15 cm long; bearing few spikelets. Primary panicle branches ascending, or spreading; 1-2 -nate; bearing 1 fertile spikelets on each lower branch. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth. Floret callus glabrous.
Fertile
Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth. Floret callus glabrous.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet. Lower glume ovate; 2-2.5 mm long; 0.8 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 2.5-3 mm long; 0.8 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; oblong in profile; 3-4 mm long; membranous; keeled; 5 -veined. Lemma lateral veins obscure. Lemma surface pilose; hairy below. Lemma apex acute. Palea 0.9 length of lemma. Palea keels scabrous. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 1-1.7 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum punctiform.
Distribution
Asia-temperate: Caucasus and western Asia.
Reference
Poeae. Fl Turk.

Native to:

Iran, Iraq, North Caucasus, Transcaucasus, Turkey

Poa masenderana Freyn & Sint. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Sintenis, P.E.E. [354], Iran K000789580 Yes
Sintenis, P.E.E. [1486], Iran K000789579 Yes
Sintenis, P.E.E. [1486], Iran K000789578 Yes

First published in Bull. Herb. Boissier, sér. 2, 2: 915 (1902)

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.
  • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
  • Kavousi, M., Assadi, M. & Nejadsattari, T. (2015). Taxonomic revision of the genus Poa L. in Iran, new additions to Flora Iranica, and a new identification key Turkish Journal of Botany 39: 105-127.
  • Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.

Literature

Kew Backbone Distributions

  • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
  • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
  • Takhtajan, A.L. (ed.) (2006). Konspekt Flora Kavkaza 2: 1-466. Editio Universitatis Petropolitanae.

  • GrassBase - The Online World Grass Flora

    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    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 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