Arundinella Raddi
  • Agrostogr. Bras.: 36 (1823) 


Notes: Distribution: Trop. & Subtrop. to Temp. Asia

General Description

HABIT Annual (15), or perennial (35). Rhizomes absent (37), or short (4), or elongated (8). Culms erect (30/34), or geniculately ascending (13/34), or decumbent (3/34); robust (6/14), or slender (8/14); 5-77.68-400 cm long; without nodal roots (3/4), or rooting from lower nodes (4/4). Culm-nodes swollen (1/1). Lateral branches lacking (17/19), or sparse (3/19), or fastigiate (1/19). Ligule an eciliate membrane (22), or a ciliolate membrane (22), or a ciliate membrane (4), or a fringe of hairs (1), or absent (1). Leaf-blades filiform (1), or linear (41), or lanceolate (13), or oblong (4); membranous (1), or herbaceous (44), or coriaceous (5); stiff (8), or firm (36), or flaccid (5). Leaf-blade midrib indistinct (1/5), or conspicuous (4/5). Leaf-blade margins cartilaginous (1/1). INFLORESCENCE Inflorescence a panicle. Panicle open (38), or contracted (11), or spiciform (1). Primary panicle branches not whorled (48), or whorled at most nodes (1). Spikelets solitary (17/48), or in pairs (43/48). Fertile spikelets sessile (1), or pedicelled (48); 1 in the cluster (6/36), or 2 in the cluster (36/36). Pedicels filiform (4/4). FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (36), or elliptic (4), or ovate (9), or cuneate (2); laterally compressed (48), or dorsally compressed (1); 1.5-4.56-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Spikelet callus pilose (1/1). Floret callus glabrous (4/44), or pubescent (15/44), or pilose (13/44), or bearded (12/44). GLUMES Glumes persistent; reaching apex of florets (21), or exceeding apex of florets (28); thinner than fertile lemma; parallel to lemmas (25), or recurved at apex (4), or gaping (22). Lower glume lanceolate (14), or elliptic (11), or ovate (26), or orbicular (2); 0.5-0.7568-1 length of upper glume; membranous (46), or chartaceous (3); 1-keeled; 1 -veined (1), or 3 -veined (39), or 4 -veined (14), or 5 -veined (22), or 6 -veined (1), or 7 -veined (2). Lower glume lateral veins absent (1), or distinct (45), or prominent (3); without ribs (46/48), or ribbed (2/48). Lower glume surface smooth (33), or asperulous (4), or scabrous (14); glabrous (33), or pilose (15), or hispid (3), or setose (2). Lower glume apex obtuse (1/48), or acute (20/48), or acuminate (25/48), or attenuate (2/48), or setaceously attenuate (4/48); muticous (41), or mucronate (2), or awned (7). Upper glume lanceolate (15), or elliptic (15), or oblong (1), or ovate (23), or orbicular (1); 1-2.298-6 length of adjacent fertile lemma; membranous (46), or chartaceous (3); 1-keeled (48/48); 1 -veined (1), or 3 -veined (6), or 4 -veined (4), or 5 -veined (45), or 6 -veined (3), or 7 -veined (4). Upper glume lateral veins without ribs (47/48), or ribbed (1/48). Upper glume surface smooth (38), or asperulous (4), or scabrous (9); glabrous (35), or pilose (15), or hispid (4), or setose (2); with simple hairs (5/21), or tubercle-based hairs (16/21). Upper glume apex entire, or dentate (1); 2 -fid (1/1); obtuse (2/48), or acute (12/48), or acuminate (20/48), or attenuate (1/48), or rostrate (1/48), or caudate (15/48). FLORETS Basal sterile florets male (47), or barren (17); with palea. Lemma of lower sterile floret lanceolate (13), or elliptic (10), or oblong (8), or ovate (23); 1.3 length of fertile lemma; membranous (44), or chartaceous (5); 2 -veined (1), or 3 -veined (25), or 4 -veined (2), or 5 -veined (25), or 6-7 -veined (1); truncate (1/47), or obtuse (13/47), or acute (32/47), or acuminate (2/47); muticous (46), or mucronate (2), or awned (1). Palea of lower sterile floret hyaline (47), or membranous (2). Fertile lemma lanceolate (14), or elliptic (13), or oblong (25), or ovate (12); dorsally compressed (3/3); lanceolate in profile (1/1); chartaceous (4), or coriaceous (45); without keel; 1 -veined (1/38), or 3 -veined (20/38), or 5 -veined (17/38). Lemma lateral veins obscure (41/41). Lemma surface smooth (6), or asperulous (41), or scabrous (1), or papillose (1); glabrous (48), or pubescent (1). Lemma margins flat (1), or involute (48); exposing palea (1), or interlocking with palea keels (48); eciliate (48), or ciliolate (1). Lemma apex entire (19), or dentate (32), or lobed (1); 2 -fid (33/33); incised 0.5 of lemma length; truncate (1/7), or obtuse (4/7), or acuminate (1/7), or setaceously attenuate (1/7); muticous (7), or mucronate (1), or awned (44); 1 -awned (36/44), or 3 -awned (8/44). Principal lemma awn apical (12/45), or from a sinus (33/45); straight (4/45), or geniculate (42/45). Palea 1 length of lemma; membranous (1), or chartaceous (4), or coriaceous (44); 2 -veined (47/47). Palea surface glabrous (47), or pubescent (2). Palea apex dentate (1/1). FLOWER Lodicules 2 (43/43); fleshy (41/41). Anthers 2 (1/47), or 3 (46/47). Stigmas 2 (42/42). FRUIT Caryopsis with adherent pericarp (45/45); ellipsoid (2/3), or oblong (2/3), or ovoid (1/3). Embryo 0.5-0.5667-0.6 length of caryopsis. Hilum punctiform (42/42). DISTRIBUTION Africa (2), or Temperate Asia (22), or Tropical Asia (34), or Australasia (4), or North America (3), or South America (3).

Distribution Map

 
  • Native distribution
Found in
  • Africa East Tropical Africa Kenya
  • Tanzania
  • Northeast Tropical Africa Ethiopia
  • South Tropical Africa Angola
  • Malawi
  • Zambia
  • Zimbabwe
  • Southern Africa Cape Provinces
  • Free State
  • KwaZulu-Natal
  • Lesotho
  • Northern Provinces
  • Swaziland
  • West Tropical Africa Ghana
  • Guinea
  • Mali
  • Nigeria
  • Senegal
  • Sierra Leone
  • West-Central Tropical Africa Burundi
  • Cameroon
  • Central African Republic
  • Western Indian Ocean Madagascar
  • Asia-Temperate Arabian Peninsula Oman
  • China China North-Central
  • China South-Central
  • China Southeast
  • Hainan
  • Inner Mongolia
  • Manchuria
  • Tibet
  • Eastern Asia Japan
  • Korea
  • Taiwan
  • Mongolia Mongolia
  • Russian Far East Amur
  • Khabarovsk
  • Kuril Is.
  • Primorye
  • Siberia Chita
  • Asia-Tropical Indian Subcontinent Assam
  • Bangladesh
  • East Himalaya
  • India
  • Nepal
  • Pakistan
  • Sri Lanka
  • West Himalaya
  • Indo-China Andaman Is.
  • Cambodia
  • Laos
  • Myanmar
  • Nicobar Is.
  • Thailand
  • Vietnam
  • Malesia Jawa
  • Lesser Sunda Is.
  • Malaya
  • Philippines
  • Sulawesi
  • Sumatera
  • Papuasia New Guinea
  • Australasia Australia Queensland
  • Northern America Mexico Mexico Central
  • Mexico Gulf
  • Mexico Northeast
  • Mexico Northwest
  • Mexico Southeast
  • Mexico Southwest
  • Southern America Brazil Brazil North
  • Brazil Northeast
  • Brazil South
  • Brazil Southeast
  • Brazil West-Central
  • Caribbean Cuba
  • Dominican Republic
  • Haiti
  • Jamaica
  • Leeward Is.
  • Puerto Rico
  • Trinidad-Tobago
  • Windward Is.
  • Central America Belize
  • Costa Rica
  • El Salvador
  • Guatemala
  • Honduras
  • Nicaragua
  • Panamá
  • Northern South America French Guiana
  • Guyana
  • Suriname
  • Venezuela
  • Southern South America Argentina Northeast
  • Argentina Northwest
  • Paraguay
  • Uruguay
  • Western South America Bolivia
  • Colombia
  • Ecuador
  • Peru

Included Species

  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.