G.612. Hyparrhenia Fourn. - Thatching-grasses

Clayton, W.D. (1969) A Revision of the Genus Hyparrhenia. Kew Bull. Addit. Ser. 2. Royal Botanic Gardens, Kew.

Description of the genus

Annuals or perennials. Leaves never aromatic. Inflorescence composed of paired racemes, each pair borne on a common peduncle and subtended by a sheathing spatheole, these crowded together into a large leafy false panicle. Racemes borne on a stalk (raceme-base) which may be deflexed at maturity; each raceme with up to 2 of the lowermost pairs male or barren, awnless and tardily deciduous (homogamous pairs). Rhachis internodes and pedicels linear. Sessile spikelet dorsally flattened or terete; callus obtuse to pungent, applied obliquely to the apex of the internode; lower glume coriaceous, broadly convex across the back; upper glume awnless; lower floret reduced to a hyaline lemma; upper lemma 2-dentate bearing an awn between the teeth. Pedicellate spikelet male or barren, usually a little longer than the sessile spikelet, awnless or with a minute arista from the lower glume.

Worldwide: c. 55 species, mainly African but with a few extending to other tropical or warm-temperate regions

Zambia: 31 taxa.

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SpeciesFZ divisionsProvincesContent
anamesa ClaytonB,N,W,C,SCb,N,C,WDescription
anemopaegma Clayton [LR-lc]N,CN
anthistirioides (A.Rich.) Stapf NN
barteri (Hack.) Stapf N,EN,E
bracteata (Humb. & Bonpl. ex Willd.) StapfB,N,W,C,E,SNw,Lp,NDescription
collina (Pilg.) StapfN,CCbDescription
cymbaria (L.) StapfN,W,CLkDescription
dichroa (Steud.) StapfB,N,W,C,SNw,C,Lk,SDescription
diplandra (Hack.) Stapf var. diplandra B,N,W,C,SNw,Lp,C,WDescription
diplandra (Hack.) Stapf var. mutica (Clayton) Cope N,WCb,N
filipendula (Hochst.) StapfN,W,C,E,SLp,LkDescription
finitima (Hochst.) Andersson ex StapfN,W,C,E,SNw,C,SDescription
gazensis (Rendle) StapfNLkDescription
gossweileri Stapf N,WN
griffithii Bor NN
hirta (L.) StapfW,CCDescription
madaropoda Clayton N
mobukensis (Chiov.) Chiov. N
newtonii (Hack.) Stapf var. newtonii B,N,W,SLp,SDescription, Image
newtonii (Hack.) Stapf var. macra StapfN,W,C,SLp,Lk,SDescription
niariensis (Franch.) Clayton var. niariensis N,WN
nyassae (Rendle) StapfB,N,W,C,E,SN,LkDescription
pilgeriana C.E. Hubb.N,WDescription
poecilotricha (Hack.) StapfB,N,C,SN,SDescription
quarrei RobynsN,W,SC,WDescription
rudis StapfB,N,C,E,SLp,Lk,SDescription
rufa (Nees) StapfB,N,W,C,SLk,WDescription
schimperi (A. Rich.) StapfB,N,W,C,E,SLp,Lk,WDescription
subplumosa Stapf N,CN
variabilis StapfB,N,W,C,SLp,LkDescription
welwitschii (Rendle) StapfN,W,CNw,CbDescription

Other sources of information about Hyparrhenia:

Our websites:

Flora of Botswana: Hyparrhenia
Flora of Caprivi: Hyparrhenia
Flora of Malawi: Hyparrhenia
Flora of Mozambique: Hyparrhenia
Flora of Zimbabwe: Hyparrhenia

External websites:

ePIC (electronic Plant Information Center): Hyparrhenia
Flora Zambesiaca web site: Hyparrhenia
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Hyparrhenia
Wikipedia: Hyparrhenia
IPNI (International Plant Names Index): Hyparrhenia
Kew Herbarium catalogue: Hyparrhenia

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: Genus page: Hyparrhenia.
https://www.zambiaflora.com/speciesdata/genus.php?genus_id=246, retrieved 17 October 2021

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