Bolboschoenus (Asch.) Palla
  • Syn. Deut. Schweiz. Fl. (ed. 3) 3(16): 2531. 1905.
  • Tuberous bulrush [Greek bolbos, a bulb, and schoenos, a rush, reed, in reference to the presence of corms]


Cite taxon page as 'WFO (2020): Bolboschoenus (Asch.) Palla. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000004911. Accessed on: 18 Feb 2020'

General Information

16. Bolboschoenus (Asch.) Palla

Schoenus subdiv. Bolboschoenus Asch.

Por C.D. Adams.

Perennes rizomatosas, foliosas, de talla mediana. Tallos generalmente simples y remotos entre sí, brotando de un rizoma rastrero, erectos, trígonos, más o menos hinchados en la base, foliosos. Hojas numerosas, con vainas largas y láminas bien desarrolladas, escabriúsculas en los márgenes y en la costilla media en el envés, al menos hacia la punta. Inflorescencia un simple agregado de espiguillas sésiles o pediceladas. Brácteas 2-4 o más, progresivamente más cortas, foliiformes. Espiguillas bisexuales, pocas juntas, ovoides o lanceoladas. Glumas espiraladas, ovadas, deciduas, redondeadas en el envés, con una fuerte nervadura excurrente en el ápice con muescas, las nervaduras laterales inconspicuas y obsoletas; raquilla persistente. Flores bisexuales; perianto de cerdas fugaces; estambres 3; estigmas 3 (en Mesoamérica). Aquenios trígonos o lenticulares, lisos. Aprox. 12 spp. América, Eurasia, Australia.

La única especie en Mesoamérica es Bolboschoenus robustus.

Bibliografía: Koyama, T. J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 7: 288-289 (1958).

  • Provided by: [B].Flora Mesoamericana
    • Source: [
    • 2
    • 1
    • ]. 

    Herbs, perennial. Rhizomes often forming hard ovoid tubers. Culms many nodose, base bulbously thickened. Leaves basal and cauline; sheath tubular; ligule absent; leaf blades linear, flat. Involucral bracts leaflike, surpassing inflorescence, spreading. Inflorescence a terminal anthela or capitate with 1 to many spikelets. Spikelets with many spirally arranged deciduous glumes, each subtending a bisexual flower. Perianth bristles 3-6, shorter to longer than nutlet, deciduous with nutlet. Stamens 3. Style base not distinct, slightly thickened or not, persistent. Nutlet biconvex to 3-sided, smooth, apex beaked.

  • Provided by: [D].Flora Of CHina @ efloras.org
    • Source: [
    • 3
    • ]. 

    Herbs, perennial, cespitose or not, rhizomatous. Culms solitary or not, cormose at base [except eastern Asian Bolboschoenus planiculmis (F. Schmidt) T. V. Egerova], sharply trigonous. Leaves basal and cauline; sheaths tubular; ligules absent; blades flat or V-shaped in cross section, prominently keeled on abaxial surface, distally trigonous. Inflorescences terminal, subumbellate, subcorymbose, or capitate; spikelets to 80, mostly 4–10 mm diam.; involucral bracts surpassing inflorescence 1–5, spreading or proximal erect, leaflike. Spikelets: scales 25 or more, spirally arranged, each subtending flower, abaxially puberulent, often glabrescent, tip notched and awned. Flowers bisexual; perianth of 3–6 bristles, straight or curved, shorter to slightly longer than achene, retrorsely spinulose; stamens 3; styles linear, 2–3-fid, base persistent. Achenes biconvex to trigonous, 2.3–5.5 mm, smooth.

  • Provided by: [C].Flora of North America @ efloras.org
    • Source: [
    • 4
    • ]. 

    Literature

    SELECTED REFERENCES

    Beetle, A. A. 1942. Studies in the genus Scirpus L. IV. The section Bolboschoenus Palla. Amer. J. Bot. 29: 82–88. Browning, J. and K. D. Gordon-Gray. 1993. Studies in Cyperaceae in southern Africa: 21. The taxonomic significance of the achene and its embryo in Bolboschoenus. S. African J. Bot. 59: 311–318. Browning, J. and K. D. Gordon-Gray. 1999. The inflorescence in southern African Bolboschoenus (Cyperaceae). Ann. Bot. Fenn. 36: 81–97. Browning, J., K. D. Gordon-Gray, and S. G. Smith. 1995. Achene structure and taxonomy of North American Bolboschoenus (Cyperaceae). Brittonia 47: 433–445.

  • Provided by: [C].Flora of North America @ efloras.org
    • Source: [
    • 4
    • ]. 

    Other Local Names

    NameLanguageCountry
    Tuberous bulrush [Greek bolbos, a bulb, and schoenos, a rush, reed, in reference to the presence of corms]

     Information From

    Cyperaceae
    • A CC0 1.0 Universal (CC0 1.0).
    Flora Mesoamericana
    http://www.mobot.org/MOBOT/fm/
    Gerrit Davidse, Mario Sousa Sánchez, A. O. Chater, Universidad Nacional Autónoma de México. Instituto de Biología, Missouri Botanical Garden, Natural History Museum (London, England) UNAM, 1994
    • 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
    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.
    • D Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).