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Bromus L., Sp. Pl. 1: 76-78. 1753.
雀麥屬
Annual or perennial; leaf-sheaths with margins connate for most of their length, usually hairy. Panicle open or contracted, ample or scanty . Spikelets cuneate to ovate; glumes herbaceous; lemmas herbaceous to subcoriaceous sometimes with membranous margins, entire or bidenticulate to bilobed, mucronate to long awned, the awn subapical though sometimes minutely so; stamens (1-)3.
Temerate regions of both hemispheres but mainly in the north.
Species ± 150. Woodland, meadow and ruderal habitats.
LITERATURE
Veldkamp, J. F. 1991. Bromus (Gramineae) in Malesia. Blumea 35: 483-497.
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KEY TO THE SPECIES
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| 1 |
Spikelets strongly laterally compressed; lemmas awnless; lemmas margins not inrolled |
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Bromus catharticus |
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Spikelets slightly laterally compressed; lemmas with awn; lemmas margins inrolled |
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(2) |
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| 2 (1) |
Lemmas longer than 20 mm; lemmas subcoriaceous; upper glumes subcoriaceous |
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Bromus rigidus |
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Lemmas shorter than 20 mm; lemmas chartaceous; upper glumes chartaceous |
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| 3 |
Lower glumes 1 -nerved; upper glumes shorter than 10 mm; upper glumes 3- nerved; lemmas with a awn longer than half to nearly as long as lemma; lower glumes sharp at apex |
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Bromus morrisonensis |
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Lower glumes 3 -nerved; upper glumes longer than 10 mm; upper glumes 5- nerved; lemmas with a short awn less than the 1/2 length of lemma; lower glumes acute at apex. |
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Bromus formosanus |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
Other Databases
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