Eragrostis stapfii De Winter

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Synonyms: Eragrostis sporoboloides Stapf
Common names:
Caespitose perennial without rhizomes or stolons, the leaves mostly confined to the base; culms up to 60 cm tall, erect, unbranched, glabrous at the nodes, eglandular; basal leaf sheaths glabrous, chartaceous, terete, eglandular, persistent; ligule a line of hairs; leaf laminas 4–10 cm × 0.3–0.5 mm, tightly folded-setaceous, glabrous, eglandular.Panicle 5.5–14 cm long, narrowly ovate to narrowly elliptic, loose and open, the spikelets evenly distributed on pedicels 1.5–3 mm long, the primary branches, or at least the lowermost, in whorls, terminating in a fertile spikelet, the lowermost thinly pilose in the axils but the remainder glabrous, eglandular.Spikelets 2.5–3.5 × c. 0.8 mm, narrowly oblong, laterally compressed, 3–4-flowered, the lemmas disarticulating from below upwards but the rhachilla becoming fragile above; glumes unequal, keeled, narrowly lanceolate in profile, acute at the apex, the inferior 1–1.3 mm long, reaching to between 1/2 and 2/3 (rarely to 3/4) the way along the adjacent lemma, the superior 1.3–2 mm long, reaching to between 1/3 and 2/3 the way; lemmas 1.7–2 mm long, keeled, lanceolate in profile, membranous with indistinct lateral nerves, appressed to the rhachilla, those in opposite rows not imbricate, the rhachilla visible between them, dark green to leaden-grey, glabrous, subacute at the apex; palea persistent, glabrous on the flanks, the keels slender, wingless, smooth and glabrous; anthers 3, 0.7–1 mm long.Caryopsis not yet seen.
Type location:
Derivation of specific name: stapfiana: after Dr. Otto Stapf (1857-1933), Austrian-born British botanist, taxonomist and author of many plant taxa. He was Curator at the Kew Royal Botanic Gardens, Fellow of the Linnean Society and the Royal Society.
Habitat: Hot dry areas, common in granite sandveld, Kalahari Sand grassland and open woodland, granite outcrops and dambo margins
Altitude range: 900 - 1400 m
Flowering time:
Worldwide distribution: Angola, Botswana, Namibia, South Africa, Zambia, Zimbabwe
Zambian distribution (Flora Zambesiaca): S
Zambian distribution (Provinces): S,W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 15.

Cope, T.A. (1999). Poaceae Flora Zambesiaca 10(2) Pages 130 - 131.

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 104.

Poilecot, P. (2007). Eragrostis species of Zimbabwe Éditions Quae,Versailles, France Pages 174 - 175. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 137.

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 189.

Other sources of information about Eragrostis stapfii:

Our websites:

Flora of Botswana: Eragrostis stapfii
Flora of Caprivi: Eragrostis stapfii
Flora of Zimbabwe: Eragrostis stapfii

External websites:

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

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

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Eragrostis stapfii., retrieved 23 April 2024

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