Summary
7
Drooping brome or cheat grass, Bromus tectorum, is a grass native to Europe, southwestern Asia and northern Africa.
Description
8
Annual. Culms erect, 20–60 cm tall, 3- or 4-noded. Leaf sheaths pubescent; leaf blades 5–20 cm, 2–4 mm wide, pubescent; ligule 1.5–2 mm. Panicle spreading, 8–15 cm, secund; branches 3–5 at lower nodes, slender, mostly curved, scabrid, pubescent, each bearing 1–8 slightly nodding spikelets. Spikelets 10–35(–50) mm; florets 4–8; rachilla internodes 2–3 mm; glumes narrowly lanceolate, margins membranous, lower glume 8–15 mm, 1–3-veined, upper glume 11–17 mm, 3–7-veined, apex acute, obtuse, or shortly aristiform; lemmas 9–22 mm, 1–1.5 mm wide in side view, 5–7-veined, scabrid or pubescent, margins thinly membranous, shiny, apex acuminate, acute, or obtuse, 2-toothed, awned from sinus, awn 12–25(–40) mm, slender, straight; palea shorter than or subequal to lemma, keels ciliate. Stamens 3; anthers 0.5–2 mm. Fl. and fr. May–Sep.
Sources and Credits
- (c) Biopix, some rights reserved (CC BY-NC),
http://www.biopix.com/PhotosMedium/JCS%20Anisantha%20tectorum%2016897.jpg
- (c) anonymous, some rights reserved (CC BY-NC),
http://www.biopix.com/PhotosMedium/JCS%20Anisantha%20tectorum%2037169.jpg
- (c) Biodiversity Heritage Library, some rights reserved (CC BY),
http://farm9.staticflickr.com/8283/7845296818_f7bf91f942_o.jpg
- (c) anonymous, some rights reserved (CC BY-NC),
http://data.rbge.org.uk/images/188212/700
- (c) anonymous, some rights reserved (CC BY-NC),
http://www.biopix.com/PhotosMedium/JCS%20Anisantha%20tectorum%2037166.jpg
- (c) anonymous, some rights reserved (CC BY-NC),
http://www.biopix.com/PhotosMedium/JCS%20Anisantha%20tectorum%2037168.jpg
- (c) Wikipedia, some rights reserved (CC BY-SA),
http://en.wikipedia.org/wiki/Bromus_tectorum
- (c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights reserved (CC BY-NC-SA),
http://eol.org/data_objects/4991550
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