Leersia denudata Launert

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Common names:
Status: Native
A densely caespitose perennial. Culms up to 70 cm. tall, 4-many-noded, erect or geniculately ascending, often rooting at the lower nodes, slender, terete, usually branched, striate, smooth, glabrous except for the nodes which are densely sericeous or villous. Leaf-sheaths striate, tight when young, later loose and slipping off the culm, slightly shorter than the internodes, auricled at the mouth, smooth, glabrous, or scattered with very short hairs. Ligule c. 1·5 mm. long, obliquely truncate, slightly retuse. Leaf-laminae 3-9(-14) x 0·15-0·4(-0·6) cm., narrowly linear, acute or tapering to a fine point, usually expanded or folded about the midrib, rarely involute, pale green, flaccid, densely arranged along the culm, glabrous, smooth on the upper surface. Inflorescence as described for L. hexandra, usually salmon-pink or purple in colour. Spikelets (3·2)3·6-4·4(-5·5) x (1·2)1·3-1·5 mm., similar in shape to L. hexandra. Lemma usually with an acute or subacute apical prolongation slightly longer than observed in L. hexandra, with the keels and margins shortly ciliolate (often only towards the apex) or more rarely scabrous. Palea acute or with a prolongation akin to that of the lemma, with the keel ciliolate (often only in the upper part). Sexual apparatus and caryopsis as in L. hexandra.
Type location:
Derivation of specific name:
Habitat: Forming usually dense masses on fringes of ponds and lakes, or large glades in swamp grassland on black alluvial soil. Often appearing in pure stands covering 100 acres or more
Altitude range:
Flowering time:
Worldwide distribution: Botswana, Kenya, Lesotho, South Africa, Tanzania, Zambia, Zimbabwe
Zambian distribution (Flora Zambesiaca): B,N,W,C,S
Zambian distribution (Provinces): Cb,N,S,W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Launert, E. (1971). Poaceae Flora Zambesiaca 10(1) Pages 28 - 29.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 106.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 140.

Other sources of information about Leersia denudata:

Our websites:

Flora of Botswana: Leersia denudata
Flora of Zimbabwe: Leersia denudata

External websites:

African Plants: A Photo Guide (Senckenberg): Leersia denudata
African Plant Database: Leersia denudata
BHL (Biodiversity Heritage Library): Leersia denudata
EOL (Encyclopedia of Life): Leersia denudata
GBIF (Global Biodiversity Information Facility): Leersia denudata
Google: Web - Images - Scholar
iNaturalist: Leersia denudata
IPNI (International Plant Names Index): Leersia denudata
JSTOR Plant Science: Leersia denudata
Mansfeld World Database of Agricultural and Horticultural Crops: Leersia denudata
Plants of the World Online: Leersia denudata
Tropicos: Leersia denudata
Wikipedia: Leersia denudata

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Leersia denudata.
https://www.zambiaflora.com/speciesdata/species.php?species_id=103470, retrieved 24 June 2024

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