Xyris rubella Malme

This species is accepted, and its native range is Guinea to Mali, S. Chad to Botswana.

[FWTA]

Xyridaceae, F. N. Hepper. Flora of West Tropical Africa 3:1. 1968

Morphology General Habit
Small annual herb about 6 in. high
Morphology Reproductive morphology Inflorescences
Small reddish or pale brownish heads
Morphology Reproductive morphology Flowers
Yellow flowers
Ecology
In seasonal flushes on rock outcrops and sand-dunes.

[FTEA]

Xyridaceae, J. M. Lock, M.A., Ph.D. Flora of Tropical East Africa. 1999

Morphology General Habit
Small annual, forming loose tufts.
Morphology Leaves
Leaves distichous, 2–6 (–14) cm. long, 1–1.5 mm. wide, glabrous, rugulose, apex solid, acuminate to aristate.
Morphology Reproductive morphology Inflorescences
Peduncle 8–20(–30) cm. long, 0.5 mm. in diameter, rugulose, 2- winged, particularly toward the apex; spike subglobose, ± 3 mm. in diameter; lowest bracts broadly elliptic, 1.3 mm. long, 1 mm. wide; sterile bracts broadly spathulate, ± 1.8 mm. long, 1.3 mm. wide, apiculate, smooth, vinous-red to reddish-brown; fertile bracts broadly elliptic, ± 2.7 mm. long, 2.4 mm. wide, keeled, pale red-brown with a darker keel, smooth, apiculate.
Morphology Reproductive morphology Flowers Perianth
Lateral sepals arcuate, folded, pale brown, 2.2 mm. long, 0.5 mm. wide, apiculate, keel smooth; corolla-tube 2 mm. long, lobes suborbicular, ± 1.8 mm. in diameter.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 0.8 mm. long; filament 0.4 mm. long; anthers 0.4 mm. long, divergent at the base; staminodes bifurcate, ± 0.5 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary obovoid, 1.5 mm. long; style 1 mm. long, branches 1 mm. long; stigma branches recurved.
Morphology Reproductive morphology Seeds
Seeds ellipsoid, 0.3 mm. long, 0.15 mm. in diameter, with 12–14 longitudinal ridges.
Figures
Fig. 1/19.
Habitat
Shallow soils on rocky outcrops, between grass tussocks in seasonally wet grassland, often with X. straminea and species of Eriocaulon; 50–1650 m.
Distribution
probably elsewhere in Africa but distribution not clearly understood because of confusion with X. schliebenii T5 T6 T7 T8

Native to:

Angola, Botswana, Burundi, Central African Repu, Chad, Guinea, Malawi, Mali, Mozambique, Tanzania, Zambia, Zimbabwe

Xyris rubella Malme appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Milne-Redhead, E. [9552], Tanzania 38418.000 No
Dalziel, J.M. [240], Nigeria K000321240 Unknown type material Yes
Bidgood, S. [6074], Tanzania K000468351 No
Bidgood, S. [5845], Tanzania K000468580 No
Bidgood, S. [6071], Tanzania K000468354 No

First published in Bot. Jahrb. Syst. 48: 303 (1912)

Accepted by

  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée. Scripta Botanica Belgica 41: 1-517.
  • Timberlake, J.R. & Martins, E.S. (eds.) (2010). Flora Zambesiaca 13(4): 1-151. Royal Botanic Gardens, Kew.

Literature

Flora of West Tropical Africa

  • Hepper in Kew Bull. 21: 424 (1968).
  • in Engl., Bot. Jahrb. 48: 303 (1912)

Kew Backbone Distributions

  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée. Scripta Botanica Belgica 41: 1-517.

Flora of Tropical East Africa

  • Hepper in Flora of West Tropical Africa, ed. 2, 3: 54 (1968).
  • Hepper in Kew Bulletin 21: 424 (1968)
  • Malme in A. Engler, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 48: 303 (1912).

  • Flora of Tropical East Africa

    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of West Tropical Africa

    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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 2022. 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