Kobresia Willd.
  • Sp. Pl. 4(1): 205. 1805.
  • Kobrésie [for J. P. von Cobres, 1747–1823, German bibliophile]


Cite taxon page as 'WFO (2020): Kobresia Willd. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000020102. Accessed on: 18 Feb 2020'

General Information

Herbs, perennial, cespitose, short-rhizomatous. Culms rounded-trigonous. Leaves basal and cauline; basal leaf sheaths persistent; ligules present; blades involute to filiform. Inflorescences terminal, spicate or paniculate, simple or compound; spikelets mostly 10–30; proximal bracts subtending spikes leaflike or scalelike; bracts subtending spikelets scalelike. Spikelets: terminal and distal spikelets usually 1-flowered, staminate; proximal spikelets 1-flowered and pistillate, or 2–4-flowered and bisexual with 1 pistillate flower proximally and 1–3 staminate flowers distally, all enclosed by scalelike bract open to one side (perigynium), perigynium sometimes enclosing additional sterile scales. Flowers unisexual; perianth absent; stamens 3; styles linear, usually 3-fid, base persistent. Achenes usually trigonous, included in perygynium.

  • Provided by: [C].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Herbs, perennial. Rhizomes usually very short, sometimes obliquely and shortly creeping, rarely stoloniferous and spreading. Stems usually tufted, rarely scattered. Leaves basal or sub-basal; basal leaf sheaths persistent and usually prominent; blade with midrib not distinct abaxially (margin involute, sometimes filiform), or with midrib distinct abaxially (flat, sometimes folded). Inflorescence terminal, paniculate to spicate, sometimes unisexual; lowest involucral bract leafy or glumelike, sheathless; branches of inflorescence sessile. Spikelets subtended by glumes, unisexual or bisexual; bisexual spikelets with 1 female flower at base and 1 to several male flowers at distal parts enclosed by prophylls; unisexual spikelets with a solitary female flower within prophylls. Sterile rachilla in female spikelet usually present. Flowers unisexual. Female flowers reduced to naked pistils; ovary 2- or 3-carpellate; style elongated; stigmas 2 or 3. Male flowers subtended by male glumes; stamens 1-3; filaments free, longer than glumes, slender; male glumes usually distinct in shape from glumes of female spikelets. Nutlets trigonous or flattened, usually included in prophylls, beaked or not, stipitate or not.

  • Provided by: [B].Flora Of CHina @ efloras.org
    • Source: [
    • 2
    • ]. 

    Included Species

    Other Local Names

    NameLanguageCountry
    Kobrésie [for J. P. von Cobres, 1747–1823, German bibliophile]

     Information From

    Cyperaceae
    • A CC0 1.0 Universal (CC0 1.0).
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Missouri Botanical Garden
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • C Flora of North America Association
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).