Hyparrhenia diplandra (Hack.) Stapf
var. diplandra

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
Coarse, caespitose perennial; culms up to 300 cm high, erect. Leaf sheaths glabrous, or pilose towards the summit, rarely pilose throughout; leaf laminas 20–60 cm × 3–10 mm, glabrous or sometimes sparsely hirsute below, usually with long grey hairs at the base. False panicle 20–40 cm long, narrow, usually purplish; spatheoles 2–4.5 cm long, narrowly lanceolate, brownish-red, glabrous, barbate or not at the base; peduncles 0.3–1.5 cm long, glabrous or shortly hirsute above; racemes 1.5–2(2.5) cm long, (3)4–6(9)-awned per pair, deflexed; raceme-bases subequal, the superior 1–2 mm long, flattened, glabrous (except in the fork), truncate at the apex and lacking appendages. Homogamous spikelets 7–9 mm long, 2 pairs at the base of each raceme forming a kind of involucre, scabrid on the margins, muticous. Sessile spikelets 6–8 mm long; callus c. 1.5 mm long, sharply acute; superior lemma of sessile spikelet awned, inferior glume narrowly lanceolate to lanceolate-oblong, glabrous to pubescent; awns 2–5.5 mm long, the column pubescent with white or fulvous hairs 0.2–0.4(0.5) mm long, rarely quite awnless. Pedicelled spikelets 5–7.5 mm long, narrowly lanceolate, muticous or with a terminal bristle up to 5 mm long; callus scarcely developed; pedicel-tooth obscure.
Type location:
Notes: Superior lemma of sessile spikelet awned.
Derivation of specific name:
Habitat: Habitat very variable, favouring damp places in deciduous bushland and wooded grassland, and extending onto stony hillsides and into areas of cultivation
Altitude range: Up to 1830 m
Flowering time:
Worldwide distribution: Throughout tropical Africa but with a limited distribution west of the Cameroon Mountains; also Indo-China, Indonesia
Zambian distribution (Flora Zambesiaca): B,N,W,C,S
Zambian distribution (Provinces): Nw,Lp,C,W
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. As Hyparrhenia diplandra

Cope, T.A. (2002). Poaceae Flora Zambesiaca 10(4) Pages 131 - 132.

Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 43. As Hyparrhenia diplandra

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 diplandra var. diplandra:

Our websites:

Flora of Malawi: Hyparrhenia diplandra var. diplandra
Flora of Mozambique: Hyparrhenia diplandra var. diplandra
Flora of Zimbabwe: Hyparrhenia diplandra var. diplandra

External websites:

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


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: Hyparrhenia diplandra var. diplandra.
https://www.zambiaflora.com/speciesdata/species.php?species_id=108840, retrieved 20 October 2021

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