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| Synonyms: |
Digitaria borbonica Desv. Digitaria diamesa (Steud.) A. Chev. Digitaria nuda subsp. schumacheriana Henrard Digitaria nuda subsp. senegalensis Henrard Panicum diamesum Steud. |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
A creeping or decumbent, sometimes mat-forming annual. Culms 10–50 cm., glabrous, nodes dark and (sub)glabrous. Leaf sheaths scaberulous, sometimes loosely hairy. Ligule 1–2 mm. long, truncate, erose. Leaf laminae (2)5–12 × 0.3–0.6(0.8) cm., linear, flat, scaberulous on both surfaces, scaberulous along the margin. Inflorescence composed of 2–10 racemes, (3)7–12 cm. long, in one or two superposed whorls of 2–5 racemes each. Rhachis triquetrous, winged, up to 0.7 mm. broad, smooth with scabrous margins. Pedicels 2-nate, 0.5–2 mm. long, triangular, scaberulous, slightly broadened at the apex. Spikelets 2–2.8 mm. long, oblong to lanceolate. Inferior glume shorter than 0.2 mm., poorly developed or even absent. Superior glume 1/2–2/3 of the spikelet, oblong triangular, 3-nerved, appressed hairy, hairs fine, smooth, acute, hyaline. Inferior lemma as long as the spikelet, oblonglanceolate, 5–7-nerved, nerves smooth, mostly (but not always) equidistant, appressed hairy. Superior lemma as long as to slightly shorter than the spikelet, oblong-lanceolate, acute, pale yellow to reddish brown, sometimes bluish grey. |
| Notes: | |
| Derivation of specific name: | |
| Habitat: | Weed on ruderal land. |
| Flowering time: | |
| Worldwide distribution: | Tropical Africa |
| Botswana distribution: | ? |
| 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 21. Clayton, W.D. (1989). Poaceae Flora Zambesiaca 10(3) Pages 170 - 171. (Includes a picture). Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 35. As Digitaria borbonica 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. |
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