Bulbostylis igneotonsa Raymond

This species is accepted, and its native range is Tanzania to S. Tropical Africa.

[FTEA]

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

Type
Type: Zambia, 15 km E of Kasama, Robinson 4732 (Herb. Raymond, holo.; K!, MTJB, iso.)
Morphology General Habit
Perennial herb 13–60 cm tall with thick strong horizontal rhizome.
Morphology Roots
Roots rigid.
Morphology Stem
Stems many, in all specimens seen the old ones burnt right down leaving stubs of ± equal length on the horizontal rhizome and new leaves and flowering shoots arising from within these burnt bases. Stems 1 mm wide, sulcate, graceful but stiff, glabrous or very shortly pilose.
Morphology Leaves
Leaves with sheaths cinnamon-coloured, short and acute, the mouth with many long multicellular hairs up to 2 cm long, often forming tangled woolly masses
Morphology Reproductive morphology Inflorescences
Inflorescence pale to dark brown, capitate, obturbinate, ± 1 cm long and wide, mostly with long white hairs at the base but sometimes glabrous.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 2–5, sessile, oblong, acute.
Morphology Reproductive morphology Inflorescences Bracts
Bracts 2–4, ± equalling the head, long-awned.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes orange-brown to red-brown, ovate, 8–9 mm long, long-acuminate, glabrous to densely shortly pubescent and often erose-ciliate at the margin
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmas 3, thick
Morphology Reproductive morphology Fruits
Nut pale brownish, triangular-rhomboid, 1.5–2.3 mm long, 1 mm wide, the angles blunt, thickened, with transverse rows of raised vertically elongate cells.
Morphology Reproductive morphology Flowers Gynoecium Style
Style base conic, thick, persistent
Ecology
" Brachystegia woodland, rocky grassy places near streams; 1100–1200(–2100) m
Note
This is a fire-resisting species, very common in Zambia but less so in East Africa. Richards 18536 cited above (from 2100 m) has some inflorescences with 1–2 of the spikelets with pedicels 10–15 mm long, not noted in any other material.
Distribution
Flora districts: T4 T7 Range: Angola, Zambia, Malawi

Native to:

Angola, Malawi, Tanzania, Zambia

Bulbostylis igneotonsa Raymond appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Jun 26, 2007 Richards, H.M. [13640], Zambia K000480682 No
Jun 26, 2007 Richards, H.M. [13635], Tanzania K000480671 No
Jun 26, 2007 Robinson, E.A. [6331], Zambia K000480676 No
Jun 26, 2007 Robinson, E.A. [3969], Zambia K000480677 No
Jun 26, 2007 Robinson, E.A. [4187], Zambia K000480675 No
Jun 26, 2007 Kornas, J. [2745], Zambia K000480673 No
Jun 26, 2007 Synge, A.H.M. [368], Malawi K000480678 No
Jun 26, 2007 Robinson, E.A. [4178], Zambia K000480683 No
Jun 25, 2007 Gossweiler, J. [3790], Angola K000480679 No
Jun 25, 2007 Robinson, E.A. [4732], Zambia K000480674 isotype Yes
Feb 1, 2007 Richards, H.M. [18536], Tanzania K000480672 No
Aug 7, 2006 Richards, H.M. [11559], Tanzania K000480670 No
Jul 16, 1995 Pawek, J. [13341], Malawi K000480684 No
Jul 15, 1995 Robinson, E.A. [4504], Malawi K000480685 No
Bidgood, S. [5405], Tanzania K000190635 No
Greenway, P.J. [8225], Zambia K000480680 No
Williamson, G. [1417], Zambia K000480681 No

First published in Naturaliste Canad. 99: 29 (1972)

Accepted by

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. 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.
  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Literature

Kew Backbone Distributions

  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Flora of Tropical East Africa

  • Nat. Canad. 99: 29, fig. 2 (1972).

  • Flora of Tropical East Africa

    Flora of Tropical East 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