Alloteropsis semialata (R. Br.) Hitchc.
subsp. semialata

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Alloteropsis semialata subsp. semialata

Photo: Bart Wursten
Greystone Park NR

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Synonyms: Alloteropsis gwebiensis Stent & J.M. Rattray
Axonopus semialatus (R. Br.) Hook. f.
Paspalum semialatum (R. Br.) Eyles
Common names: Black-seed grass (English)
Status: Native
Densely tufted perennial grass. Base bulbous, silky-hairy, the outer sheaths with broad flat ribs (0.5-1.1 mm across). Culms up to 150 cm. Lamina 1-5 mm wide, broadly linear, rolled upwards, tapering gradually to the apex. Inflorescence digitate, mostly 2-4 racemes (sometimes more); racemes up to 25 cm long. Spikelets 4-7.5 mm, sometimes with transverse purple stripes. Upper glume membranous with appressed-ciliate margin, sometimes winged; upper lemma with a 1.5-3 mm awn.
Derivation of specific name:
Habitat: In clearings in savanna woodland and vlei margins, favouring acidic and stony soils.
Altitude range: (metres) Up to 1600 m
Flowering time:Sep - Mar
Worldwide distribution: In the Old World tropics.
Zimbabwe distribution: N,W,C,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 338. as Alloteropsis semialata

Chapano, C., Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 3.

Clayton, W.D. (1989). Poaceae Flora Zambesiaca 10(3) Pages 60 - 61.

Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 28. As Alloteropsis semialata

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 99.

Other sources of information about Alloteropsis semialata subsp. semialata:

Our websites:

Flora of Malawi: Alloteropsis semialata subsp. semialata
Flora of Mozambique: Alloteropsis semialata subsp. semialata
Flora of Zambia: Alloteropsis semialata subsp. semialata

External websites:

African Plants: A Photo Guide (Senckenberg): Alloteropsis semialata
African Plant Database: Alloteropsis semialata
BHL (Biodiversity Heritage Library): Alloteropsis semialata
EOL (Encyclopedia of Life): Alloteropsis semialata
ePIC (electronic Plant Information Center): Alloteropsis semialata
Flora Zambesiaca web site: Alloteropsis semialata
GBIF (Global Biodiversity Information Facility): Alloteropsis semialata
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Alloteropsis semialata
iNaturalist: Alloteropsis semialata
IPNI (International Plant Names Index): Alloteropsis semialata
JSTOR Plant Science: Alloteropsis semialata
Kew Herbarium catalogue: Alloteropsis semialata
Kew Monocotyledon checklist: Alloteropsis semialata
Mansfeld World Database of Agricultural and Horticultural Crops: Alloteropsis semialata
Plants of the World Online: Alloteropsis semialata
The Plant List (version 1.1): Alloteropsis semialata
Tropicos: Alloteropsis semialata
Wikipedia: Alloteropsis semialata

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Zimbabwe: Species information: Alloteropsis semialata subsp. semialata., retrieved 20 January 2020

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