Scleria sumatrensis Retz.
  • Observ. Bot.


Cite taxon page as 'WFO (2020): Scleria sumatrensis Retz. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000553059. Accessed on: 23 Feb 2020'

General Information

Perennials. Culms 2-4 m tall, 6-7 mm wide, 3-angled, glabrous. Leaves ± in whorls of 3; sheaths ca. 4 cm, papery, glabrous, basal ones winged; contraligule nearly semicircular, very short, margin ciliate; leaf blade linear, ca. 40 × 1-1.3 cm, thickly papery, slightly scabrous, apically attenuate. Involucral bracts leaflike, basalmost to 25 cm, sheathing; bractlets setaceous, laterally hairy, base dilated. Inflorescences compound paniculate, with several branches; lateral branches often 2 or 3 in a cluster, 6-7 × ca. 10 cm, spreading, axes angled. Spikelets 1 or 2 in a cluster, brown, ca. 5 mm, unisexual, basal glumes distichous. Male spikelets oblong-ovoid, apex truncate; glumes rust-colored to brown, 2-3.5 mm, membranous, basal ones keeled and with a cuspidate apex. Female spikelets narrowly ovoid, apex acuminate; glumes broadly ovate-lanceolate, ovate, or oblong-ovate, keeled. Male flowers: stamens 3; anthers linear, ca. 1.2 mm; connective apex protruding, ca. 1/4 as long as anther. Female flowers: stigmas 3. Disk brown, purple, yellowish, or bright shiny red, cup-shaped, 1/2-4/5 height of nutlet and enclosing it, 3-lobed; lobes smooth, shiny, apex dentate. Nutlet flattened globose, ca. 1.5 × 2-2.5 mm, with hexagonal reticulation, sparsely pubescent, apex cuspidate. Fl. and fr. Apr.

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

      • 1 Observ. Bot.

       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
      World Flora Online consortium
      http://www.worldfloraonline.org/organisation/WFO
      World Flora Online Data. 2018.
      • C CC0 1.0 Universal (CC0 1.0).