Home | > | List of families | > | Poaceae | > | Aristida | > | aequiglumis |
Synonyms: | |
Common names: | |
Frequency: | |
Status: | Native |
Description: |
Perennial, usually c. 40 cm. high, densely caespitose. Culms erect, slender, usually simple, rarely branched from the upper nodes, terete, glabrous, smooth or minutely scaberulous below the nodes, c. 3-4-noded; nodes glabrous, smooth. Leaf-sheaths usually tight, glabrous, smooth, persistent. Ligule a short-ciliolate rim; auricles minutely pubescent, sometimes with long hairs; collar minutely pubescent. Leaf-laminae up to 15 x 0·1-0·15 cm. (when expanded), erect or slightly curved, usually setaceously convolute, rather firm, minutely puberulous above, glabrous, smooth beneath. Panicle 6-15 cm. long, linear-oblong, usually lax and open, sometimes contracted; axis terete in the lower part, more or less angular upwards, slightly scaberulous; branches up to 4 cm. long, solitary or 2-nate, suberect, filiform, minutely scaberulous, with 1-3 spikelets. Glumes subequal, linear-lanceolate, 1-nerved, with a prominent glabrous or scabrid keel, scabrid or shortly hirtellous on the back, often with somewhat recurved apices; the inferior 5-9 mm. long, with a short awn up to 1·5 mm. long, the superior 5·5-9·5 mm. long, usually 2-fid, with a mucro from the sinus. Lemma 6-7 mm. long, minutely scaberulous towards the apex; callus c. 0.5 mm. long, subobtuse or obtuse, shortly barbate; column 2-8 mm. long, twisted, scabrid; awns somewhat unequal, filiform, suberect or slightly spreading, scaberulous, the central 15-25 mm. long, the lateral ones 13-20 mm. long; articulation absent. 2n = 22. |
Notes: | |
Derivation of specific name: | |
Habitat: | On sandy ground in open situations, seasonally flooded areas, paddocks, rock crevices and on hill slopes. Considered to be an indicator of eroded soil |
Altitude range: (metres) | |
Flowering time: | |
Worldwide distribution: | Transvaal, Zambia, Zimbabwe, Botswana |
Zimbabwe distribution: | C,S |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Literature: |
Launert, E. (1971). Poaceae Flora Zambesiaca 10(1) Pages 107 - 108. 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 99. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 130. |
Home | > | List of families | > | Poaceae | > | Aristida | > | aequiglumis |