Digitaria diagonalis (Nees) Stapf

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Synonyms: Digitaria diagonalis var. glabrescens (K. Schum.) Peter
Digitaria diagonalis var. hirsuta Troupin
Digitaria diagonalis var. uniglumis (Hochst. ex A. Rich.) Pilg.
Digitaria grantii C.E. Hubb.
Digitaria lasiostachya Peter
Digitaria trichopodia Stent
Digitaria uniglumis (Hochst. ex A. Rich.) Stapf
Panicum diagonale Nees
Panicum diagonale var. glabrescens K. Schum.
Panicum diagonale var. uniglume (Hochst. ex A. Rich.) Hack.
Panicum uniglume Hochst. ex A. Rich.
Common names:
Frequency:
Status:
Description:
A tightly caespitose perennial, base surrounded by densely hairy cataphylls and fibrous leaf sheaths. Culms 50–120 cm., erect, glabrous, nodes dark and glabrous. Leaf sheaths scaberulous, loosely to densely hairy. Ligule 0.5 mm. long, rim-like, irregularly ciliate. Leaf laminae 10–15 × 0.2–0.4 cm., flat or involute, scabrous on both surfaces, scabrous along the margins. Inflorescence composed of 10–30 racemes, 8–14 cm. long, erect or sometimes arching, few together or solitary along a well developed common axis. Rhachis triquetrous, narrowly winged, up to 0.3 mm. broad, smooth to scaberulous with scabrous margins. Pedicels 3(5)-nate, 0.3–3.0 mm. long, triangular to compressed, scaberulous, much broadened at the apex, with a well developed coronula composed of (2)5–10 long bristles, these overtopping the spikelet. Spikelets 1.4–2.1 mm. long, ovate. Inferior glume absent or extremely short. Superior glume 1/4–1/3 of the spikelet, ovate, nerveless, glabrous, hyaline. Inferior lemma as long as or somewhat shorter than the spikelet, ovate, with narrow recurved margins, 3-nerved, hyaline, glabrous. Superior lemma as long as the spikelet, ovate, apex acute, pale to dark brown.
Notes:
Derivation of specific name:
Habitat: Miombo woodland, (degraded) savanna, mountain grassland, vlei and wet rocky outcrops.
Altitude range: (metres)
Flowering time:
Worldwide distribution: Tropical and South Africa
Zimbabwe distribution: N,C,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 342. (Includes a picture).

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 21. As Digitaria diagonalis diagonalis

Clayton, W.D. (1989). Poaceae Flora Zambesiaca 10(3) Pages 140 - 141. (Includes a picture).

Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 35. Also as Digitaria uniglumis major

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.

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 85.


Other sources of information about Digitaria diagonalis:

Our websites:

Flora of Malawi: Digitaria diagonalis
Flora of Mozambique: Digitaria diagonalis
Flora of Zambia: Digitaria diagonalis

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Zimbabwe: Species information: Digitaria diagonalis.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=107570, retrieved 15 October 2021

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