Psilolemma S.M.Phillips
  • Kew Bull. 29: 267 (1974) 


General Description

HABIT Perennial. Stolons present. Culms erect; 7-35 cm long; wiry. Lateral branches sparse. Ligule a fringe of hairs. Leaf-blades stiff. Leaf-blade apex pungent. INFLORESCENCE Inflorescence composed of racemes. Racemes single, or borne along a central axis; appressed; bearing few fertile spikelets; bearing 1-5 fertile spikelets on each. Rhachis subterete. Spikelet packing broadside to rhachis; lax. Spikelets ascending; solitary. Fertile spikelets sessile, or pedicelled. Pedicels linear. FERTILE SPIKELETS Spikelets comprising 4-14 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 5-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident. GLUMES Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate, or elliptic, or oblong, or ovate; 0.6-0.8 length of upper glume; hyaline; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.6-0.8 length of adjacent fertile lemma; hyaline; without keels; 1 -veined. Upper glume apex obtuse, or acute. FLORETS Fertile lemma oblong; laterally compressed; membranous; without keel; 3 -veined. Lemma lateral veins stopping well short of apex. Lemma apex emarginate, or obtuse. Palea 0.9 length of lemma; 2 -veined. Palea apex entire. Apical sterile florets resembling fertile though underdeveloped. FLOWER Anthers 3. Stigmas 2. FRUIT Caryopsis with tardily free pericarp; ellipsoid; isodiametric; biconvex. Embryo 0.4 length of caryopsis. DISTRIBUTION Africa.

  Bibliography

  • 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
http://www.kew.org/data/grasses-db/
Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora. http://www.kew.org/data/grasses-db.html. [accessed 24 January 2012; 14:30 GMT]
  • A © Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
  • C See http://kew.org/about-kew/website-information/legal-notices/index.htm 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.