Skip to main content
  1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis conferta (Keng) P.C.Kuo & S.L.Lu

        This species is accepted, and its native range is Qinghai to N. China.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 60-90 cm long; 2 mm diam.; 1-2 -noded. Leaves mostly basal. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 5-10 mm long. Leaf-blades 15-30 cm long; 2-4 mm wide; glaucous. Leaf-blade surface scabrous; glabrous, or pilose; hairy adaxially. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; linear; continuous, or interrupted; 9-14 cm long; 1-2 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 1-1.1 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 1-1.1 length of lemma.
    Glume
    Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 5 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 1.4 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong; 3.5 mm long; membranous; without keel; 5 -veined. Lemma apex erose; awned; 1 -awned. Principal lemma awn dorsal; arising 0-0.1 way up back of lemma; straight; 3-4 mm long overall; without a column. Rhachilla extension 0.5 mm long; pilose; with 1-2 mm long hairs.
    Flowers
    Lodicules 2. Anthers 3; 2-2.5 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Asia-temperate: China.
    Reference
    Aveneae. Keng 1995.

    Distribution

    Native to:

    China North-Central, Inner Mongolia, Qinghai

    Synonyms

    Other Data

    Calamagrostis conferta (Keng) P.C.Kuo & S.L.Lu appears in other Kew resources:

    Bibliography

    First published in Fl. Intramongolica 7: 172 (1983)

    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.

    Literature

    Kew Backbone Distributions

    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

    Sources

    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 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