Xyris angularis N.E.Br.
  • Fl. Trop. Afr. 8: 22 (1901) 


Cite taxon page as 'WFO (2023): Xyris angularis N.E.Br. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000608713. Accessed on: 04 Oct 2023'

Local Descriptions

Order descriptions by:

Morphology

Leaves 8–15(–40) cm. long, 3–4 mm. wide; sheaths lightly furrowed, brown, glabrous, with narrow scarious margins; ligule acute, ± 1 mm. long; lamina linear, glabrous, smooth or minutely rugulose on one surface, dark- speckled when dry; apex acute, straight or slightly incurved, serrulate, sometimes with a group of small finger-like hairs at the extreme tip. Peduncles 20–50(–85) cm. long, 1–1.5 mm. in diameter, terete with 4–6 longitudinal ridges, glabrous; spike subspherical to broadly ellipsoid, up to 8 mm. long, 8 mm. in diameter, at maturity, reddish brown; the four outermost sterile bracts very broadly ovate, ± 2 mm. long and wide, apex rounded; other sterile bracts broadly ovate, 5 mm. long, 3.5 mm. wide, coriaceous, reddish brown with a very distinct grey central area, margins laciniate-ciliate, apex rounded, sometimes with a distinct tuft of arachnose hairs, later glabrous; fertile bracts similar but larger, 5 mm. long, 3.5 mm. wide. Lateral sepals arcuate, 4.5 mm. long, 1 mm. wide, keel ciliate-dentate, sometimes with an apical tuft of hairs; corolla yellow, tube ± 3 mm. long, lobes oblong, ± 3.5 mm. long, 1.5 mm. wide, dentate at the apex. Perennial herb forming loose clumps. Seeds narrowly ellipsoid, ± 1 mm. long, 0.25 mm. in diameter, with numerous irregular longitudinal ridges or reticulations. Fig. 1/9. Stamens ± 1 mm. long; anther 0.5 mm. long, lobes spreading below; staminodes small bunches of hairs. Ovary oblong, ± 2 mm. long, 0.5 mm.; style 4 mm. long, 3-branched in upper third; stigmas many- lobed.

  • Provided by: [A].Plants Of the World Online Portal - FTEA
    • Source: [
    • 2
    • ]. 
    Plants Of the World Online Portal - FTEAMorphology

    Leaves 8–15(–40) cm. long, 3–4 mm. wide; sheaths lightly furrowed, brown, glabrous, with narrow scarious margins; ligule acute, ± 1 mm. long; lamina linear, glabrous, smooth or minutely rugulose on one surface, dark- speckled when dry; apex acute, straight or slightly incurved, serrulate, sometimes with a group of small finger-like hairs at the extreme tip. Peduncles 20–50(–85) cm. long, 1–1.5 mm. in diameter, terete with 4–6 longitudinal ridges, glabrous; spike subspherical to broadly ellipsoid, up to 8 mm. long, 8 mm. in diameter, at maturity, reddish brown; the four outermost sterile bracts very broadly ovate, ± 2 mm. long and wide, apex rounded; other sterile bracts broadly ovate, 5 mm. long, 3.5 mm. wide, coriaceous, reddish brown with a very distinct grey central area, margins laciniate-ciliate, apex rounded, sometimes with a distinct tuft of arachnose hairs, later glabrous; fertile bracts similar but larger, 5 mm. long, 3.5 mm. wide. Lateral sepals arcuate, 4.5 mm. long, 1 mm. wide, keel ciliate-dentate, sometimes with an apical tuft of hairs; corolla yellow, tube ± 3 mm. long, lobes oblong, ± 3.5 mm. long, 1.5 mm. wide, dentate at the apex. Perennial herb forming loose clumps. Seeds narrowly ellipsoid, ± 1 mm. long, 0.25 mm. in diameter, with numerous irregular longitudinal ridges or reticulations. Fig. 1/9. Stamens ± 1 mm. long; anther 0.5 mm. long, lobes spreading below; staminodes small bunches of hairs. Ovary oblong, ± 2 mm. long, 0.5 mm.; style 4 mm. long, 3-branched in upper third; stigmas many- lobed. Peduncles 20–50(–85) cm. long, 1–1.5 mm. in diameter, terete with 4–6 longitudinal ridges, glabrous; spike subspherical to broadly ellipsoid, up to 8 mm. long, 8 mm. in diameter, at maturity, reddish brown; the four outermost sterile bracts very broadly ovate, ± 2 mm. long and wide, apex rounded; other sterile bracts broadly ovate, 5 mm. long, 3.5 mm. wide, coriaceous, reddish brown with a very distinct grey central area, margins laciniate-ciliate, apex rounded, sometimes with a distinct tuft of arachnose hairs, later glabrous; fertile bracts similar but larger, 5 mm. long, 3.5 mm. wide. Lateral sepals arcuate, 4.5 mm. long, 1 mm. wide, keel ciliate-dentate, sometimes with an apical tuft of hairs; corolla yellow, tube ± 3 mm. long, lobes oblong, ± 3.5 mm. long, 1.5 mm. wide, dentate at the apex. Perennial herb forming loose clumps. Seeds narrowly ellipsoid, ± 1 mm. long, 0.25 mm. in diameter, with numerous irregular longitudinal ridges or reticulations. Fig. 1/9. Stamens ± 1 mm. long; anther 0.5 mm. long, lobes spreading below; staminodes small bunches of hairs. Ovary oblong, ± 2 mm. long, 0.5 mm.; style 4 mm. long, 3-branched in upper third; stigmas many- lobed.

     Information From

    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • A
    Vahliaceae
    http://www.worldfloraonline.org/organisation/Vahliaceae
    World Flora Online Data. 2021.
    • B CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature and Natural Resources
    https://www.iucnredlist.org/
    IUCN 2022. The IUCN Red List of Threatened Species. Version 2021-3. ISSN 2307-8235
    • C See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use
    Xyridaceae
    https://powo.science.kew.org/
    World Flora Online Data. 2022.
    • D CC0 1.0 Universal (CC0 1.0).