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. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 4.

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
GBIF (Global Biodiversity Information Facility): Alloteropsis semialata
Google: Web - Images - Scholar
iNaturalist: Alloteropsis semialata
IPNI (International Plant Names Index): Alloteropsis semialata
JSTOR Plant Science: Alloteropsis semialata
Mansfeld World Database of Agricultural and Horticultural Crops: Alloteropsis semialata
Plants of the World Online: Alloteropsis semialata
Tropicos: Alloteropsis semialata
Wikipedia: Alloteropsis semialata

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Alloteropsis semialata subsp. semialata., retrieved 21 April 2024

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