Eragrostis brainii (Stent) Launert

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Synonyms: Pogonarthria brainii Stent
Common names:
Frequency:
Status:
Description:
Caespitose perennial without rhizomes or stolons; culms up to 130 cm tall, erect, unbranched, glabrous at the nodes (but pilose on the internodes), eglandular; basal leaf sheaths pilose or glabrescent, chartaceous, terete, eglandular, persistent or rarely decaying into fibres; ligule a line of hairs; leaf laminas 10–25 cm × 2–3 mm, linear, involute, glabrous or thinly pilose, eglandular.Panicle 13–28 cm long, broadly linear with ascending or appressed strictly racemose branches, the spikelets secund along the whole length of the branches (except for the naked 3–5 mm at the extreme base) on pedicels 0.3–0.4 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.Spikelets 2.5–3.5 × 1–1.5 mm, ovate or elliptic-oblong, laterally compressed, 3–4-flowered, the lemmas disarticulating from below upwards but the rhachilla becoming fragile early on; glumes unequal, reaching to about the middle of the adjacent lemmas, keeled, lanceolate to narrowly ovate in profile, scaberulous on the keel, acute at the apex, the inferior 1.3–1.5 mm long, the superior 1.6–2 mm long; lemmas 2.2–2.5 mm long, keeled, narrowly ovate in profile, firmly membranous with somewhat obscure lateral nerves, ± appressed to the rhachilla, those in opposite rows scarcely imbricate, the rhachilla just visible between them, green or variegated with purple, faintly scaberulous on the keel, acute at the apex; palea persistent, glabrous on the flanks, the keels slender, wingless, scabrid; anthers 3, 0.8–1 mm long.Caryopsis 0.6–0.8 mm long, broadly ovate.
Type location:
Notes: Caespitose perennial
Derivation of specific name:
Habitat: Kalahari Sand woodland, and wooded grassland and miombo on sandy soils
Altitude range: 375 - 1300 m
Flowering time:
Worldwide distribution: Angola, Zambia, Zimbabwe
Zambian distribution (Flora Zambesiaca): B,N,W,C,S
Zambian distribution (Provinces): Nw,Lk,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) Page 141.

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 196 - 197. (Includes a picture).

Other sources of information about Eragrostis brainii:

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Flora of Zimbabwe: Eragrostis brainii

External websites:

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


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-21

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2021). Flora of Zambia: Species information: Eragrostis brainii.
https://www.zambiaflora.com/speciesdata/species.php?species_id=104710, retrieved 12 April 2021

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