![](https://images.ctfassets.net/l2hapltrg3cz/3G9k4FEqEMvP6k41oWG67Q/5f596534e47aacc8475a8833482fca12/great-brome-2-d.jpg?fm=webp&w=1080&q=85)
Great brome
Anisantha (previously Bromus) diandra
Auricles
Absent.
Leaf blade
Green flat and limp. Rough and loosely hairy. Rolled in bud.
![](https://images.ctfassets.net/l2hapltrg3cz/3SgyeioyXz4dWqMRursads/53e87c6b6812e394d001b89c0e4da324/great_brome_02.jpg?fm=webp&w=1080&q=85)
![](https://images.ctfassets.net/l2hapltrg3cz/pLppqx9o2dGwGY782WIM0/2ae257352315c8a0d9577ce79dab465d/great_brome_03.jpg?fm=webp&w=1080&q=85)
Description
Like a large, stout barren brome, 35 - 80 cm with a heavy drooping panicle. Spikelets are 7-9 cm including awns and bear 5-8 flowers. Like barren brome, panicles turn purplish when mature.
Ligule
![](https://images.ctfassets.net/l2hapltrg3cz/7L8qVbyTksWobRnjYDHj6d/3b4eb3c365a29c8488491abab2f58d4a/great_brome_01.jpg?fm=webp&w=1920&q=85)
Medium to large: 3 - 6 mm. Rounded and jagged.
Importance
Primarily a weed of south and eastern England but spreading. Difficult to control.
![Great brome seedling. © Blackthorn arable.](https://images.ctfassets.net/l2hapltrg3cz/7LnRgIbTbI7V9EK4l5qxWt/2e2c34494f2aad20a905dedacd1cee8f/great-brome-young.jpg?fm=webp&w=750&q=85)
Great brome seedling. © Blackthorn arable.
![Great brome ligule. © HGCA.](https://images.ctfassets.net/l2hapltrg3cz/1Skf502g3HPaMCiRTkL63f/665516e547e6b81000e9d7dc5c1f5a7f/great_brome_04.jpg?fm=webp&w=750&q=85)
Great brome ligule. © HGCA.
![Great brome flower heads. Spikelets 7-9 cm (including awns).](https://images.ctfassets.net/l2hapltrg3cz/U9ScWCmnjceF0BQYHzxoZ/bf7da15d97aa6c8b0626a45dd22f81d2/great-brome-mature.jpg?fm=webp&w=750&q=85)
Great brome flower heads. Spikelets 7-9 cm (including awns).
![](https://images.ctfassets.net/l2hapltrg3cz/2VcqHKJac06gLupjq9roIC/ffa07d4ddb4089f56d25262dd4eeb7e0/great-brome-2-d.jpg?fm=webp&w=1920&q=85)
Great brome ligule. © Blackthorn arable
![](https://images.ctfassets.net/l2hapltrg3cz/4c3LuvtYWV6IEhPX5b9Xeg/d9d77f41fdab3c6e6ba24690cccee711/great-brome-5-d.jpg?fm=webp&w=1920&q=85)
Great brome flower heads. © Blackthorn arable.
![](https://images.ctfassets.net/l2hapltrg3cz/6UMi1lLKUBNAckxjQaqnFV/48c08dc371e212f22c2b13e29f13355d/great-brome-1-d.jpg?fm=webp&w=1920&q=85)
Great brome ligule. © Blackthorn arable
![](https://images.ctfassets.net/l2hapltrg3cz/1h0qvud54Zy9GzLekPOd5R/677728ff5c36c4492f44e69e75b97e83/FieldMate_Promo_Mobile.jpg?fm=webp&w=3840&q=85)
![](https://images.ctfassets.net/l2hapltrg3cz/3CvKagUshwoSyxEDqRj52c/bd6e3be09e808d22cf4c4c324b6d4ac7/FieldMate_Promo_Desktop.jpg?fm=webp&w=3840&q=85)
![](https://images.ctfassets.net/l2hapltrg3cz/3CvKagUshwoSyxEDqRj52c/bd6e3be09e808d22cf4c4c324b6d4ac7/FieldMate_Promo_Desktop.jpg?fm=webp&w=3840&q=85)