Home | > | List of families | > | Poaceae | > | Briza | > | maxima |
Synonyms: | |
Common names: | Giant quaking-grass (English) Greater quaking-grass (English) |
Frequency: | Local |
Status: | Introduced |
Description: |
A loosely tufted annual. Culms (10)20-70 cm. tall, 2-4-noded, simple, terete, slender, erect or ascending from a geniculate base, smooth. Leaf-sheaths often tinged with purple, loose, striate, dorsally rounded, glabrous, smooth. Ligule 2-5 mm. long. Leaf-laminae 5-25 x 0·25-0·75 cm., pale-green, tapering to an acute point, usually expanded, flaccid, glabrous, scaberulous along the edges. Panicles 4-10 cm. long, rather loose, with (1)3-12 Spikelets, usually pendulous; axis very slender. Pedicels up to 2 cm. long, capillary, very flexible. Spikelets 15-25 x 8-14 mm., 7-20-flowered, pale-green to silver-green (often especially the glumes) purplish to red-brown, broadly ovate-cordate in outline, glabrous or often shortly pilose. Glumes 5-7 mm. long, often purplish, 7- (inconspicuously 9) nerved, broadly ovate from a cordate base, apex rounded to obtusely acuminate. Lemmas 6-7·5 mm. long, dorsally rounded, 7-9-nerved, broadly ovate, apex shortly acuminate, usually shortly pilose; the hairs tipped with glands. Paleas with the narrow wings shortly ciliate. Anthers 2-2·25 mm. long. Caryopsis c. 2·5 mm. long, light brown, broadly obovate to almost circular in outline. |
Notes: | |
Derivation of specific name: | |
Habitat: | High rainfall parts of Zimbabwe; a weed of roadsides and disturbed places. |
Altitude range: (metres) | 1600 - 1710 m |
Flowering time: | Jul - Dec |
Worldwide distribution: | Mediterranean region |
Zimbabwe distribution: | W,E |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Images last updated: | Monday 13 August 2007 |
Literature: |
Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 10. Launert, E. (1971). Poaceae Flora Zambesiaca 10(1) Pages 45 - 47. (Includes a picture). 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 101. |
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