Digitaria perrottetii (Kunth) Stapf

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Photo: Petra Ballings
Along road from Shashe Wilderness Camp to National Parks Compound, Tuli

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Synonyms:	Digitaria perrottetii var. gondaensis Henrard Milium minutiflorum Trin. Panicum cristatum Andersson Panicum perrottetii Kunth
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Description:	A loosely caespitose or solitary growing annual. Culms 40–100 cm., ascending, glabrous, nodes dark and glabrous. Leaf sheaths smooth and glabrous, rarely loosely hairy. Ligule c. 1 mm. long, truncate, erose. Leaf laminae 2–10 × 0.5–1.4 cm., lanceolate to linear, flat, glabrous on both surfaces, often with a few bulbous based bristles near the base, scabrous along the margin. Inflorescence composed of 40–100 racemes, (2)3–8 cm. long, the inferior 20–50 in 4–6 whorls of 5–8 racemes, the superior 20–30 racemes solitary along a tall common axis, the racemes in the inferior whorls are conspicuously peduncled. Rhachis triquetrous, unwinged, scabrous, loosely hairy, at the base with a few bulbous based bristles, scabrous at the margins. Pedicels 2-nate, 0.2–2.8 mm. long, triangular, scabrous, slightly broadened at the apex. Spikelets 1.7–2.2 mm. long, oblong-lanceolate. Inferior glume absent. Superior glume somewhat shorter than the spikelet, oblong-lanceolate, 3-nerved, appressed hairy, hairs fine, smooth, acute, slightly overtopping the glume. Inferior lemma as long as the spikelet, oblong-lanceolate, 5-nerved, nerves equidistant, smooth, appressed hairy, hairs slightly overtopping the lemma. Superior lemma shorter than the spikelet, oblong-lanceolate, acute, pale to dark brown.
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Worldwide distribution:	Angola, Botswana, Burundi, DRC, Kenya, Madagascar, Malawi, Mozambique, Namibia, Senegal (introduced?), South Africa, Tanzania, Zambia, Zimbabwe
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Spot characters:	Display spot characters for this species
Literature:	Clayton, W.D. (1989). Poaceae Flora Zambesiaca 10(3) Pages 176 - 178. (Includes a picture). Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 36. 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 102. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 134.

Other sources of information about Digitaria perrottetii:

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Flora of Botswana: Digitaria perrottetii
Flora of Caprivi: Digitaria perrottetii
Flora of Malawi: Digitaria perrottetii
Flora of Mozambique: Digitaria perrottetii
Flora of Zambia: Digitaria perrottetii
Flora of Zimbabwe: Digitaria perrottetii

External websites:

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