Hyparrhenia gazensis (Rendle) Stapf

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Synonyms: Andropogon gazensis (Rendle) Eyles
Cymbopogon gazensis Rendle
Hyparrhenia snowdenii C.E. Hubb.
Common names:
Frequency:
Status: Native
Description:
Loosely caespitose perennial; culms up to 180 cm high and up to 2 mm in diameter, weakly erect or geniculately ascending, sometimes sprawling. Leaf sheaths glabrous, or pubescent above; leaf laminas 8–20 cm × 2–5 mm, glabrous or thinly pilose, long-acuminate at the apex. False panicle 10–35 cm long, narrow, lax; spatheoles 3–4 cm long, linear-lanceolate, glabrous, reddish-brown; peduncles 1/2–3/4 as long as the spatheoles, pilose above with white hairs; racemes 1–1.5 cm long, 4–5-awned per pair, laterally exserted, not or sometimes tardily deflexed; raceme-bases unequal, divergent, the superior (2)2.5–3.5 mm long, terete, stiffly pilose with white bulbous-based hairs, the articulation with the peduncle glabrous. Homogamous spikelets c. 5 mm long, narrowly lanceolate, a single pair at the base of the inferior or both racemes. Sessile spikelets 4.5–5 mm long; callus 0.8–1.5 mm long, cuneate, acute at the apex; inferior glume linear-oblong to lanceolate-oblong, sparsely hispidulous; awn 2–3 cm long, the column pubescent with fulvous hairs. Pedicelled spikelets 5–6 mm long, linear-lanceolate, glabrous, terminating in a short mucro 1–2 mm long; callus absent; pedicel-tooth short, broadly triangular.
Type location:
Notes: Resembles Hyparrhenia dichroa.
No Zambian record in Clayton (1969), but there is one record in Katanga close to the Luapula border.
Derivation of specific name: gazensis: of Gazaland, a historic name for Southern Mozambique.
Habitat: Growing in flooded grassland, Brachystegia woodland, and as a ruderal on poor soils
Altitude range: 1000 - 1100 m
Flowering time:
Worldwide distribution: DRC, Kenya, South Africa , Tanzania, Uganda, Zambia, Zimbabwe
Zambian distribution (Flora Zambesiaca): N
Zambian distribution (Provinces): Lk
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 32.

Cope, T.A. (2002). Poaceae Flora Zambesiaca 10(4) Page 106.

Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 44.

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 105.

Other sources of information about Hyparrhenia gazensis:

Our websites:

Flora of Burundi: Hyparrhenia gazensis
Flora of Zimbabwe: Hyparrhenia gazensis

External websites:

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


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

Bingham, M.G., Willemen, A., Wightman, N., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Hyparrhenia gazensis.
https://www.zambiaflora.com/speciesdata/species.php?species_id=108900, retrieved 5 November 2024

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