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This species is accepted, and its native range is W. Tropical Africa to Somalia and Zimbabwe.

[FTEA]

Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

Type
Type: Ghana, Isert s.n. (C, holo.)
Morphology General Habit
Tufted annual.
Morphology Roots
Roots shallow.
Morphology Stem
Stems 3–20, tufted, bright green, 4–40 cm long excluding the inflorescence bract (which may add another 20 cm), round, 0.6–1.5 mm thick, slightly ridged, filled with pith
Morphology Leaves
Leaves absent. Leaf sheaths pale green, ending in a linear lobe to 5 mm long; sometimes with cleistogamous flower with style to 10 mm long and dark brown nutlet 2–3 × 1.5–2 mm, transversely wrinkled
Morphology Reproductive morphology Inflorescences
Inflorescence a dense apparently lateral cluster of 1–10 sessile spikelets, sometimes appearing stalked through falling of lower glumes; main inflorescence bract stemlike, erect, 6–20 cm long, slightly flattened.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets green and pale brown or orange-green, 4–10 × 0.5–1.5 mm, 5-ridged with spiralling ridges.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes golden yellow to almost orange with green midrib, ovate, 2.5–3 mm long
Morphology Reproductive morphology Flowers Perianth
Perianth absent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3
Morphology Reproductive morphology Flowers Gynoecium Style
Style 3-branched
Morphology Reproductive morphology Fruits
Nutlet pale when young turning dark brown, bluntly triangular, 1 × 0.8–0.9 mm, transversely strongly wrinkled.
Ecology
On moist sandy soil, in seasonal pools and swamps, along drainage lines, sometimes in standing water; 0–600 m
Note
" Glover et al. 879 from Kenya, Masai District: Loita plains 6.5 km from Goregore must be from a higher altitude – but which?
Distribution
Range: Ghana, Togo, Sudan, Somalia Flora districts: U2 K1 K6 K7 T3 T6 Z

[FWTA]

Cyperaceae, Miss S. S. Hooper. Flora of West Tropical Africa 3:2. 1972

Morphology General Habit
Tufted annual up to 60 cm. with soft rounded stems and bracts
Morphology Leaves
Leaves reduced to sheaths
Morphology Reproductive morphology Inflorescences
Spikelets often golden at maturity
Ecology
Margin of ponds and swamps.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Tufted leafless glabrous annual with shallow root-system
Morphology Stem
Stems few to numerous, 4–25 cm long, or total length 10–40 cm when including the bract, 0.6–1.5 mm thick, terete with rounded ridges, pith-filled without transverse septa
Morphology Leaves
Leaf-blade absent; leaf-sheath pale, the upper with distinct translucent margin, ending in a 5 mm long linear lobe
Morphology Reproductive morphology Inflorescences
Inflorescence consisting of 1–12 sessile apparently lateral spikelets in a dense head-like cluster (rarely with a few sessile spikelets on c. 5 mm long stalk)
Morphology Reproductive morphology Inflorescences Bracts
Main inflorescence-bract leafy to stem-like, 6–25 cm long and 0.5–1.5 mm wide, flattened with longitudinal ridges, usually about as long as the stem
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 5–9 mm long and 3–4 mm wide, greyish golden, angular with the acute spreading glumes
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 2.5–3 mm long, ovate, concave, arranged in longitudinal rows, golden yellow (but young glumes often uncoloured) occasionally with golden-brown patches or borders; midrib green, 1-nerved, excurrent in a short mucro
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3
Morphology Reproductive morphology Flowers Gynoecium Style
Style-branches 3
Morphology Reproductive morphology Fruits
Nutlet c. 1 mm long and 0.8 mm wide, triangular with very distinct transverse frills, as mature dark brown to black
Morphology Reproductive morphology Flowers
Basal cleistogamous flowers sometimes present, with c. 10 mm long style and nutlet 2–2.5 mm long and c. 1.5 mm wide, transversely wavy and dark brown when mature.
Distribution
S3 Old World tropics.
Ecology
Altitude from near sea-level to c. 500 m.

Native to:

Benin, Burkina, Chad, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Mauritania, Nigeria, Senegal, Somalia, Sudan, Tanzania, Togo, Uganda, Zimbabwe

Schoenoplectiella juncea (Willd.) Lye appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Bidgood, S. [5894], Tanzania Schoenoplectus junceus K000468531

First published in Lidia 6: 25 (2003)

Accepted by

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso Boissiera 65: 1-391.

Literature

Kew Backbone Distributions

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Jones, M. (1991). A checklist of Gambian plants: 1-33. Michael Jones, The Gambia College.
  • Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso Boissiera 65: 1-391.

Flora of Tropical East Africa

  • Lidia 6, 1: 25 (2003).

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

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

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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