Avena sativa

Avena sativa Linnaeus

Languages: English

Overview

General Description

Annual. Culms solitary or tufted, erect, 40-180 cm tall, unbranched. Leaf sheaths usually glabrous; leaf blades 15-30 cm long, 4-10 mm wide, glabrous, margins sometimes scaberulous; ligule 3-6 mm. Panicle loose and open or contracted, 20-40 cm, nodding; branches spreading or contracted. Spikelets 2-3 cm, florets 2; rachilla straight, not disarticulating or fracturing irregularly at maturity, florets lacking a basal bearded callus, internodes short, less than 0.5 mm; glumes lanceolate, subequal, as long as spikelet, 7-9-veined; lemmas 1.2-2.5 cm, leathery in lower half, herbaceous and distinctly veined above, glabrous or nearly so, apex minutely and irregularly 2-4-denticulate; awn 2.5-3.5 cm, weakly geniculate or rudimentary or absent. Grain adherent to lemma and palea at maturity.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Description

Genetics

The chromosomal number of Avena sativa is 2n = 42 (Jones et al., 1989; Guillin et al., 1995; Spies et al., 1999).

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Ecology and Distribution

Distribution

Growing in roadside, slopes; 1800-2800 m.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Habitat

Growing in roadside, slopes; 1800-2800 m.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Relevance

Uses

Avena sativa is used as food.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

References

Guillin, E., Poggio L., & Naranjo C. A. (1995).  Meiotic irregularities in Argentinian hexaploid oats. Cytologia. 60,
Jones, M., Rees H., & Jenkins G. (1989).  ynaptonemal complex formation in Avena polyploids. Heredity. 63,
Spies, J. J., Burger T. H., & van Wyk M. S. C. (1999).  Chromosome studies on African plants. The tribes of subfamily Pooideae. Bothalia. 29,