- Family: Poaceae Barnhart
- Genus: Echinochloa P.Beauv.
Echinochloa rotundiflora Clayton
- Genus: Echinochloa P.Beauv.
[GB]
- Morphology General Habit
- Annual. Culms erect; 60-120 cm long; 4-5 -noded. Ligule absent. Leaf-blades linear, or lanceolate; 7-20 cm long; 6-10 mm wide. Leaf-blade margins cartilaginous; tuberculate-ciliate.
- Morphology Reproductive morphology Inflorescences
- Inflorescence composed of racemes. Racemes 5-8; borne along a central axis; unilateral; 2-5 cm long; secondarily branched. Central inflorescence axis 10-30 cm long. Rhachis angular. Spikelet packing irregular; 3-5 -rowed. Spikelets in pairs. Fertile spikelets sessile.
- Morphology Reproductive morphology Inflorescences Spikelets
- Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; obtuse; 3.5-5.5 mm long; falling entire. Spikelet callus oblong; incorporating lowest rhachilla internode with adnate lower glume; 0.5 mm long.
- Fertile
- Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; obtuse; 3.5-5.5 mm long; falling entire. Spikelet callus oblong; incorporating lowest rhachilla internode with adnate lower glume; 0.5 mm long.
- Morphology Reproductive morphology Inflorescences Bracts Glume
- Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; clasping; 0.3-0.4 length of spikelet; membranous, or chartaceous; without keels; 5 -veined. Lower glume apex obtuse. Upper glume ovate; chartaceous; without keels; 5 -veined. Upper glume apex obtuse.
- Morphology Reproductive morphology Flowers Florets
- Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; chartaceous; 5 -veined; obtuse. Fertile lemma elliptic; 3.5 mm long; indurate; shiny; without keel; 5 -veined. Lemma margins involute. Lemma apex obtuse. Palea reflexed at apex; indurate.
- Morphology Reproductive morphology Flowers
- Anthers 3; 2.5 mm long.
- Distribution
- Africa: west tropical, west-central tropical, and northeast tropical.
- Reference
- Paniceae. FTA.
[FWTA]
Gramineae, W. D. Clayton. Flora of West Tropical Africa 3:2. 1972
- Morphology General Habit
- Annual, 2–4 ft. high
- Ecology
- On clay soil with Acacia seyal.
Native to:
Cameroon, Eritrea, Ethiopia, Nigeria, Sudan
Echinochloa rotundiflora Clayton appears in other Kew resources:
| Date | Reference | Identified As | Barcode | Type Status |
|---|---|---|---|---|
| Mar 1, 1988 | Schimper [1553], Ethiopia | K000282404 | isotype | |
| Mar 1, 1988 | Schimper [1553], Ethiopia | K000282405 | isotype |
First published in Kew Bull. 34: 560 (1980)
Accepted by
- Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
- 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.
- 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.
- Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
Literature
Kew Backbone Distributions
- 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.
- Onana, J.M. (2011). The vascular plants of Cameroon a taxonomic checklist with IUCN assessments: 1-195. National herbarium of Cameroon, Yaoundé.
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