Eragrostis biflora Hack. ex Schinz

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Synonyms:
Common names: Shade love grass (English) Tweesaadgras (Afrikaans) Two-flowered eragrostis (English)
Frequency:
Status:
Description:
Caespitose annual; culms up to 80 cm tall, erect, unbranched, glabrous at the nodes, eglandular; leaf sheaths glabrous or thinly pilose below; ligule a line of hairs; leaf laminas 9–30 cm × 1.5–5(8) mm, linear, flat or involute, glabrous, eglandular.Panicle 16–30 cm long, narrowly ovate-elliptic, delicate and open, the spikelets evenly distributed on slender pedicels 1.5–5 mm long, the primary branches (or at least the lowermost) in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.Spikelets 1.5–2.5 × 0.5–1.2 mm, narrowly elliptic, becoming broadly ovate at maturity, laterally compressed (1)2–3-flowered, the lemmas disarticulating from below upwards, the rhachilla becoming fragile above; glumes subequal, 0.9–1.3 mm long, keeled, narrowly ovate to narrowly lanceolate in profile, scaberulous on the keel, otherwise glabrous, subacute to acute at the apex, the inferior reaching to about 2/3 or more the way along the adjacent lemma, the superior to about the middle; lemmas 1–1.5 mm long, keeled, ovate-elliptic in profile, membranous with distinct lateral nerves, scarcely divergent from the rhachilla, those of a pair (or group of three) without overlapping margins, the rhachilla visible between them, pallid to dark greyish-green, glabrous, subacute and often mucronate at the apex; palea persistent, glabrous on the flanks, the keels slender, wingless, smooth or scaberulous; anthers 3, 0.2–0.3 mm long.Caryopsis 0.6–0.7 mm long, obovate.
Notes:
Derivation of specific name: biflora: 2-flowered
Habitat: Hot dry country, usually in shade of Acacia woodland and Albizia anthelmintica thickets, on sandy soils, at base of rocky outcrops and in dense bush at pan margins
Altitude range: (metres) 930 - 1160 m
Flowering time:
Worldwide distribution: Botswana, Namibia, South Africa, Zimbabwe
Zimbabwe distribution: W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Cope, T.A. (1999). Poaceae Flora Zambesiaca 10(2) Pages 129 - 130.

Isaiah, A.M. & Komi, T. (2015). Grasses in the Botswana National Botanic Garden South African National Biodiversity Institute, Pretoria Page 17. (Includes a picture).

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 103.

Poilecot, P. (2007). Eragrostis species of Zimbabwe Éditions Quae,Versailles, France Pages 168 - 169. (Includes a picture).

Roodt, V. (2015). Grasses & Grazers of Botswana and the surrounding savanna Struik Nature, South Africa Pages 104 - 105. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 136.


Other sources of information about Eragrostis biflora:

Our websites:

Flora of Botswana: Eragrostis biflora

External websites:

African Plants: A Photo Guide (Senckenberg): Eragrostis biflora
African Plant Database: Eragrostis biflora
BHL (Biodiversity Heritage Library): Eragrostis biflora
EOL (Encyclopedia of Life): Eragrostis biflora
ePIC (electronic Plant Information Center): Eragrostis biflora
Flora Zambesiaca web site: Eragrostis biflora
GBIF (Global Biodiversity Information Facility): Eragrostis biflora
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Eragrostis biflora
iNaturalist: Eragrostis biflora
IPNI (International Plant Names Index): Eragrostis biflora
JSTOR Plant Science: Eragrostis biflora
Kew Herbarium catalogue: Eragrostis biflora
Kew Monocotyledon checklist: Eragrostis biflora
Mansfeld World Database of Agricultural and Horticultural Crops: Eragrostis biflora
Plants of the World Online: Eragrostis biflora
Tropicos: Eragrostis biflora
Wikipedia: Eragrostis biflora


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Zimbabwe: Species information: Eragrostis biflora.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=104690, retrieved 25 September 2021

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