Sacciolepis Nash
  • N.L.Britton, Man. Fl. N. States: 89 (1901) 


General Description

HABIT Annual (11), or perennial (14). Rhizomes absent (17), or short (6), or elongated (3). Stolons absent, or present (1). Culms erect (6/13), or geniculately ascending (6/13), or decumbent (6/13); slender (1/3), or weak (2/3); 10-59.18-200 cm long; spongy (5), or compressible (1), or firm (18), or wiry (1); without nodal roots (1/6), or rooting from lower nodes (5/6), or with aerial roots from the nodes (1/6). Culm-internodes terete (1/1). Lateral branches lacking (1/2), or sparse (1/2), or ample (1/2). Leaf-sheath auricles absent (24), or erect (2). Ligule an eciliate membrane (12), or a ciliolate membrane (12), or a fringe of hairs (1), or absent (1). Leaf-blades filiform (2), or linear (23), or lanceolate (1). Leaf-blade apex muticous (24), or pungent (1). INFLORESCENCE Inflorescence a panicle. Panicle open (1), or contracted (2), or spiciform (24). Spikelets solitary, or in pairs (1). Fertile spikelets pedicelled. Pedicels tip discoid (4/4). STERILE SPIKELETS Basal sterile spikelets absent (24), or rudimentary (1). FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (1), or elliptic (7), or oblong (1), or ovate (16), or orbicular (1); laterally compressed (22), or subterete (1), or dorsally compressed (2); symmetrical (2), or gibbous (23); 0.7-2.638-5 mm long; falling entire. GLUMES Glumes reaching apex of florets (20), or exceeding apex of florets (5); thinner than fertile lemma; parallel to lemmas (24), or gaping (1). Lower glume lanceolate (2), or elliptic (3), or oblong (1), or ovate (16), or orbicular (3), or oblate (1); clasping (1/1); hyaline (20), or membranous (5); without keels; 1-2 -veined (1/24), or 3 -veined (12/24), or 4 -veined (3/24), or 5 -veined (12/24), or 6 -veined (5/24), or 7 -veined (8/24), or 8-9 -veined (1/24). Lower glume lateral veins distinct (24), or unequally thickened (1). Lower glume surface glabrous (21), or pubescent (2), or pilose (1), or hirsute (1). Lower glume apex obtuse (14), or acute (16). Upper glume lanceolate (2), or elliptic (10), or oblong (7), or ovate (9); not gibbous (2), or gibbous (23); 1-1.588-2.2 length of adjacent fertile lemma; membranous (19), or chartaceous (2), or herbaceous (2), or coriaceous (3); with undifferentiated margins (24), or hyaline margins (1); without keels; 5-8-13 -veined. Upper glume primary vein eciliate (24), or ciliate (1). Upper glume lateral veins ribbed. Upper glume surface glabrous (18), or puberulous (1), or pubescent (8), or hispidulous (1); with simple hairs (9/10), or tubercle-based hairs (1/10). Upper glume apex obtuse (7), or acute (18), or acuminate (1). FLORETS Basal sterile florets male (12), or barren (17); with palea (20), or without significant palea (6). Lemma of lower sterile floret lanceolate (2), or elliptic (10), or oblong (5), or ovate (10); 1.1 length of fertile lemma; hyaline (1), or membranous (18), or chartaceous (2), or herbaceous (2), or coriaceous (3); 3-4 -veined (1), or 5 -veined (6), or 6 -veined (3), or 7 -veined (12), or 9 -veined (8), or 11 -veined (1), or 15 -veined (1); without ribs (1), or ribbed (24); obtuse (5), or acute (18), or acuminate (2). Fertile lemma elliptic (15), or oblong (8), or ovate (2); dorsally compressed; chartaceous (3), or coriaceous (21), or indurate (1); without keel; 5 -veined (14/14). Lemma margins involute. Lemma apex obtuse (5/23), or acute (18/23). Palea involute; chartaceous (3), or cartilaginous (2), or coriaceous (19), or indurate (1). FLOWER Lodicules 2 (2/2); fleshy (2/2). Anthers 2 (1/11), or 3 (10/11). FRUIT Caryopsis with adherent pericarp (5/5); ellipsoid (3/4), or oblong (1/4); plano-convex (1/1). Embryo 0.4-0.5-0.6 length of caryopsis. Hilum punctiform (4/4). DISTRIBUTION Africa (18), or Temperate Asia (3), or Tropical Asia (7), or Australasia (2), or Pacific (1), or North America (3), or South America (6).

  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.