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This species is accepted, and its native range is Senegal to Mauritania, NE. & E. Tropical Africa, Arabian Peninsula to N. India.
Cymbopogon commutatus

[FTEA]

Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

Morphology General Habit
Tufted perennial, the basal sheaths persistent; culms 15–150 cm. high.
Morphology Leaves
Leaf-blades filiform to flat, 10–50 cm. long, 1–4 mm. wide, smooth or asperulous on the nerves.
Morphology Reproductive morphology Inflorescences
False panicle linear to narrowly oblong, 5–35 cm. long; racemes 15–30 mm. long, ciliate with hairs up to 2 mm. long, the upper with 5–8 pairs of spikelets, the lowermost pedicel swollen, free from the adjacent internode which is also sometimes swollen.
Morphology Reproductive morphology Inflorescences Spikelets
Sessile spikelet narrowly lanceolate, 4–7 mm. long; lower glume chartaceous, glabrous or pubescent, nerveless (rarely with 2–3 intercarinal nerves in the upper third) and deeply concave between the keels, these rounded in the lower half and often separated by a gibbous swelling at the base, wingless; upper lemma bifid to near the middle, the awn 10–20 mm. long, geniculate, with a distinct column. Pedicelled spikelet narrowly lanceolate, 4.5–7 mm. long.
Sessile
Sessile spikelet narrowly lanceolate, 4–7 mm. long; lower glume chartaceous, glabrous or pubescent, nerveless (rarely with 2–3 intercarinal nerves in the upper third) and deeply concave between the keels, these rounded in the lower half and often separated by a gibbous swelling at the base, wingless; upper lemma bifid to near the middle, the awn 10–20 mm. long, geniculate, with a distinct column.
Pedicelled
Pedicelled spikelet narrowly lanceolate, 4.5–7 mm. long.
Habitat
Deciduous bushland (typically Acacia-Commiphora) and subdesert grassland; 100–1300 m.
Distribution
Mauritania to Somaliathrough Arabia to Iraq and northern India K1 K3 K4 K7 T3 U1

[FSOM]

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

Morphology General Habit
Tufted perennial up to 150 cm high
Morphology Leaves
Leaves attenuate at the base
Morphology Reproductive morphology Inflorescences
False panicle linear to narrowly oblong, 5–35 cm long; racemes 15–30 mm long, ciliate with hairs up to 2 mm long, the lowermost pedicel swollen, free from the adjacent internode which itself is sometimes swollen
Morphology Reproductive morphology Inflorescences Spikelets
Pedicelled spikelet narrowly lanceolate, 4.5–7 mm long. Sessile spikelet narrowly lanceolate, 4–7 mm long; lower glume chartaceous, glabrous or pubescent, nerveless or with 2–3 intercarinal nerves in the upper 1/3, shallowly to deeply concave between the keels, these rounded in the lower 1/2 and often separated by a gibbous swelling at the base; awn of upper lemma 10–20 mm long, geniculate and with a distinct column
Distribution
N1–3; C1 tropical Africa eastwards through Arabia to Iraq and India.
Ecology
Altitude range 200–1590 m.
Vernacular
Arabjib, aus gudud, carowe, daremo-as, hadaf, lebjir (Somali).

[GB]
Morphology General Habit
Perennial; caespitose. Butt sheaths persistent and investing base of culm. Culms 15-150 cm long. Ligule an eciliate membrane. Leaf-blades filiform, or linear; flat, or involute; 10-50 cm long; 1-4 mm wide; aromatic. Leaf-blade surface smooth, or scaberulous.
Morphology Reproductive morphology Inflorescences
Synflorescence compound; linear, or paniculate; 5-35 cm long; dense. Inflorescence composed of racemes; terminal and axillary; subtended by a spatheole; enclosed. Racemes 2; paired; deflexed; 1.5-3 cm long; bearing 5-8 fertile spikelets on each. Rhachis fragile at the nodes; semiterete; ciliate on margins. Rhachis hairs 2 mm long. Rhachis internodes linear. Rhachis internode tip transverse; cupuliform. Raceme-bases flattened; subequal. Spikelets in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels linear; semiterete; ciliate; with 2 mm long hairs.
Sterile
Basal sterile spikelets well-developed; 2 in number (lower raceme); 0 in upper raceme; with normal internodes, or with swollen internode in lower raceme; sessile and pedicelled. Basal sterile spikelet pedicels swollen in lower raceme. Basal sterile spikelets equalling fertile. Companion sterile spikelets well-developed; male; lanceolate; 4.5-7 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes chartaceous; acute; muticous. Companion sterile spikelet lemmas 2; enclosed by glumes.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 4-7 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pilose; base obtuse; inserted. Basal sterile spikelets well-developed; 2 in number (lower raceme); 0 in upper raceme; with normal internodes, or with swollen internode in lower raceme; sessile and pedicelled. Basal sterile spikelet pedicels swollen in lower raceme. Basal sterile spikelets equalling fertile. Companion sterile spikelets well-developed; male; lanceolate; 4.5-7 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes chartaceous; acute; muticous. Companion sterile spikelet lemmas 2; enclosed by glumes.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 4-7 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pilose; base obtuse; inserted.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume linear; 1 length of spikelet; chartaceous; 2-keeled; keeled above; keeled laterally; wingless. Lower glume intercarinal veins absent, or obscure; 0(-3) in number. Lower glume surface concave; impressed with a boss blocking lower end; glabrous, or pubescent. Lower glume apex emarginate. Upper glume lanceolate; 1-keeled. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea. Lemma of lower sterile floret hyaline. Fertile lemma lanceolate; hyaline; without keel. Lemma apex lobed; 2 -fid; incised 0.5 of lemma length; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 10-20 mm long overall; with twisted column. Column of lemma awn glabrous. Palea absent or minute.
Morphology Reproductive morphology Flowers
Anthers 3.
Distribution
Africa: west tropical, northeast tropical, and east tropical. Asia-temperate: western Asia and Arabia. Asia-tropical: India.
Reference
Andropogoneae. FTEA.

[FWTA]

Gramineae, W. D. Clayton. Flora of West Tropical Africa 3:2. 1972

Morphology General Habit
Erect perennial 1·2–1·5 m. high.

Native to:

Afghanistan, Chad, Djibouti, Eritrea, Ethiopia, Gulf States, India, Iran, Iraq, Kenya, Kuwait, Mauritania, Oman, Pakistan, Palestine, Saudi Arabia, Senegal, Somalia, Sudan, Tanzania, Uganda, Yemen

Cymbopogon commutatus (Steud.) Stapf appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Schimper [1801] K000280499
Drake-Brockman [410] K000280502 syntype
Drake-Brockman [410] K000280500 syntype
Drake-Brockman [410] K000280501 syntype
Pearson, R.S. [s.n.], Uttar Pradesh K000245847 holotype
Pearson, R.S. [s.n.], Uttar Pradesh K000245848 isotype
Pearson, R.S. [s.n.], Uttar Pradesh K000974911 isotype
Pearson, R.S. [s.n.], Uttar Pradesh K000974910 isotype
Pearson, R.S. [s.n.], Uttar Pradesh K000974912 isotype
Radcliffe-Smith, A. [5586], Oman K000974918 Unknown type material

First published in Bull. Misc. Inform. Kew 1907: 211 (1907)

Accepted by

  • Audru, J., Cesar, J. & Lebrun, J.-P. (1993). Les Plantes Vasculaires de la République de Djibouti. Flore Illustrée 2(2): 433-968. CIRAD, Départerment d'Elevage et de Médecine vétérinaire, Djibouti.
  • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.
  • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
  • Danin, A. (2004). Distribution Atlas of Plants in the Flora Palaestina area: 1-517. The Israel Academy of Sciences and Humanities, Jerusalem.
  • 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.
  • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.
  • Gillet, H. (1968). Le peuplement végétal du massif de l'Ennedi (Tchad) Mémoires du Muséum National d'Histoire Naturelle. Serie B. Botanique 17: 1-206.
  • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
  • Jongbloed, M., Western, R.A. & Boer, B. (2000). Annotated Check-list for plants in the U.A.E.: 1-90. Zodiac Publishing, Dubai.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Lebrun, J.P. (1973). Énumération des plantes vasculaires du Sénégal: 1-209. Maisons Alfort: Institut d'élevage et de médecine vétérinaire des pays tropicaux.
  • Thulin, M. (ed.) (1995). Flora of Somalia 4: i-ii, 1-298. The Royal Botanic Gardens, Kew.
  • Wood, J.R.I. (1997). A Handbook of the Yemen Flora: 1-434. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of West Tropical Africa

  • F.T.A. 9: 275.
  • in Kew Bull. 1907: 211

Kew Backbone Distributions

  • Al-Rawi, A. (1987). Flora of Kuwait 2: 1-455. Alden Press Ltd., U.K.
  • Audru, J., Cesar, J. & Lebrun, J.-P. (1993). Les Plantes Vasculaires de la République de Djibouti. Flore Illustrée 2(2): 433-968. CIRAD, Départerment d'Elevage et de Médecine vétérinaire, Djibouti.
  • Bor, N.L. (1968). Flora of Iraq 9: 1-588. Ministry of Agriculture & Agrarian Reform, Baghdad.
  • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
  • Clayton, W.D. & Renvoize, S.A. (1982). Gramineae Flora of Tropical East Africa 3: 451-898.
  • Cope, T.A., Knees, S.G. & Miller, A.G. (2007). Flora of the Arabian peninsula and Socotra 5(1): 1-387. Edinburgh University Press.
  • Danin, A. (2004). Distribution Atlas of Plants in the Flora Palaestina area: 1-517. The Israel Academy of Sciences and Humanities, Jerusalem.
  • Gillet, H. (1968). Le peuplement végétal du massif de l'Ennedi (Tchad) Mémoires du Muséum National d'Histoire Naturelle. Serie B. Botanique 17: 1-206.
  • Hedberg, I. & Edwards, S. (eds.) (1995). Flora of Ethiopia and Eritrea 7: 1-430. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Hepper, F.N. (ed.) (1972). Flora of West Tropical Africa, ed. 2, 3(2): 277-574.
  • Jongbloed, M., Western, R.A. & Boer, B. (2000). Annotated Check-list for plants in the U.A.E.: 1-90. Zodiac Publishing, Dubai.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.

Flora of Somalia

  • Flora Somalia, Vol 4, (1995) Author: by T. A. Cope [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Clayton in Flora of West Tropical Africa, ed. 2, 3: 482 (1972).
  • F. W. Andr., The Flowering Plants of the Sudan 3: 422 (1956).
  • Stapf in Bulletin of Miscellaneous Information, Kew 1907: 211 (1907)
  • Stapf in Flora of Tropical Africa 9: 275 (1919).

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

GrassBase - The Online World Grass Flora
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 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

Kew Science Photographs
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