| Home | > | List of families | > | Poaceae | > | Aristida | > | pilgeri |
| Synonyms: | |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Perennial, up to 1.5 m. high, fairly robust, caespitose. Culms erect, glaucous, glabrous, 3-6-noded; nodes glabrous. Leaf-sheaths tight, ciliolate along the margins. Ligule obsolete, minutely ciliate; auricles and the collar glabrous or barbate. Leaf-laminae up to 35 x 0.1-0.2 cm., linear, convolute towards the apex, scabrous above, glabrous and prominently ribbed beneath. Panicle up to 40 x 5 cm., dense, more or less contracted, much branched, with a terete or subangular axis; branches 5-11 cm. long, solitary, erect or nearly appressed, branchlets appressed, scabrous. Spikelets congested, very shortly pedicelled, pallid. Glumes slightly unequal, lanceolate to linear-lanceolate, awned; the inferior 6-7 mm. long, 3-nerved, scaberulous in the upper part, scabrous on the nerves and on the keel, abruptly narrowed into a scabrous awn c. 1.5-2 mm. long; the superior c. 10 mm. long, with a smooth keel, distinctly 2-dentate at the apex with an awn, c. 2 mm. long, from the sinus. Lemma 6-7 mm. long, finely punctulate, scaberulous towards the apex; callus c. 1-1.5 mm. long, obtuse or subobtuse, long-barbate; column very short, c. 1.5 mm. long, slightly twisted; awns subequal, 10-20 mm. long; articulation between apex of the column of the lemma and the base of the awns. |
| Notes: | |
| Derivation of specific name: | |
| Habitat: | On water-logged granite-sand, on Kalahari sand, red sandy loams in sandveld grassland and open woodland, grassy depressions at edges of lakes and on sand dunes |
| Flowering time: | |
| Worldwide distribution: | south-western Africa, South Africa, Botswana, Caprivi Strip, Zambia, Zimbabwe |
| Botswana distribution: | N |
| 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. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 4. Klaassen Esmerialda, E.S. & Craven P. (2003). Checklist of grasses in Namibia SABONET Report No. 20 Page 12. Launert, E. (1971). Poaceae Flora Zambesiaca 10(1) Pages 126 - 127. 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 100. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 131. |
| Home | > | List of families | > | Poaceae | > | Aristida | > | pilgeri |