Phyllorachis Trimen
  • J. Bot. 17: 353 (1879) 

Notes: Distribution: Tanzania to S. Trop. Africa

General Description

HABIT Perennial. Culms decumbent; 60-120 cm long. Ligule a ciliolate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate. Leaf-blade venation with obscure cross veins. INFLORESCENCE Monoecious; with male and female spikelets in the same inflorescence. Inflorescence composed of racemes; terminal and axillary. Racemes borne along a central axis; in a unilateral false spike; appressed; lanceolate; bearing few fertile spikelets; bearing 1 fertile spikelets on each. Central inflorescence axis foliaceous; tip subulate. Rhachis deciduous from axis; broadly winged; terminating in a barren extension; extension flattened. Sexes segregated; on bisexual branches; with male above. Spikelets in threes. Fertile spikelets sessile; 1 in the cluster. Male spikelets sessile; 2 in a cluster. FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; gibbous; 10-16 mm long; falling entire; deciduous with accessory branch structures. GLUMES Glumes shorter than spikelet; thinner than fertile lemma. Lower glume subulate. Upper glume oblong; 0.3-0.5 length of adjacent fertile lemma; membranous; 1-keeled; 5-9 -veined. Upper glume apex acute. FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret ovate; coriaceous; 15 -veined; sulcate; acute. Fertile florets female. Fertile lemma ovate; chartaceous; keeled; 11-17 -veined. Lemma margins involute. Lemma apex caudate. Palea 1 length of lemma; chartaceous; 8-12 -veined. FLOWER Lodicules 2; membranous. Anthers 6. Stigmas 2. FRUIT Caryopsis with adherent pericarp; linear; laterally compressed; biconvex. Hilum punctiform. MALE Male spikelets similar to female but less developed. Male spikelet glumes 2. DISTRIBUTION Africa.

Distribution Map

  • Native distribution
Found in
  • Africa East Tropical Africa Tanzania
  • South Tropical Africa Angola
  • Malawi
  • Mozambique
  • Zambia


  • 1 Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

 Information From

GrassBase - The Online World Grass Flora
Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora. [accessed 24 January 2012; 14:30 GMT]
  • A © Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; Retrieved 2011 onwards
  • C See You may use data on these Terms and Conditions and on further condition that: The data is not used for commercial purposes; You may copy and retain data solely for scholarly, educational or research purposes; You may not publish our data, except for small extracts provided for illustrative purposes and duly acknowledged; You acknowledge the source of the data by the words "With the permission of the Trustees of the Royal Botanic Gardens, Kew" in a position which is reasonably prominent in view of your use of the data; Any other use of data or any other content from this website may only be made with our prior written agreement.