Yellow Crucifers
Mustard Family - Brassicaceae
Woad Isatis tinctoriaNative from South-east and eastern Europe to Turkey. Leaves are unlobed and clasp the stem at the base. The seed capsules hang in rows and tremble in the wind.
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Eastern Rocket Sisymbrium orientale
Native to the Mediterranean region and eastwards to Inda. Usually found as an urban weed or on rough, disturbed ground.
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Hedge Mustard Sisymbrium officinale
Native throughout Europe and the Mediterranean Region, eastwards to western Asia. A weedy plant of disturbed ground.
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Common Rocket Eruca vesicaria
Native to the Mediterranean Region and eastwards to China.
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Hoary Mustard Hirschfeldia incana
Native to the Mediterranean Region and eastwards to the Arabian Peninsula.
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Bastard Cabbage Rapistrum rugosum
Native to the Mediterranean Region and eastwards to Central Asia.
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Charlock Rhamphospermum arvensis
Native throughout almost all of Eurasia and Mediterranean North Africa.
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White Mustard Sinapis alba
Native throughout almost all of Eurasia and Mediterranean North Africa.
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Wild Radish Raphanus raphanistrum subsp. raphanistrum
Native throughout Europe and the Mediterranean Basin to western Asia. Once known, this is an easy plant to recognise, with its coarse, bristly leaves and stems and its seed pods that have faint ribbing between the developing seeds. Flowers usually have dark veins and populations usually have a mix of both white and pale yellow flowered plants among them. The petals have long bases to them, forming a distinct cross shape.
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Common Buckler-mustard Biscutella didyma
Native to the central and eastern Mediterranean Region. Frequent on dry, stony slopes and roadsides.
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Southern Warty Cabbage Bunias erucago
Native to southern and South-central Europe and scattered in ajoining parts of the Mediterranean Region. A small plant growing to 30-60cm in height. Best identified by its very distinctive seed capsules, which have sharply toothed wings on them. Stems studded with reddish, glandular bumps.
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Greek Treacle-mustard Erysimum graecum
Endemic to southern Greec and Crete.
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Corinthian Wallflower Erysimum corinthium
Native and endemic to southern Greece. Leaves smooth-margined, densely hairy. Seed capsules strongly four-angled, making them more or less square in cross-section.
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Strigose Alyssum Alyssum strigosum
Native southern Europe, from Italy eastwards to the Middle East. A tiny plant of stony places. Fruits hairy with simple and stellate hairs.
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Tiny Alison Alyssum minutum
Patchily distributed through southern and eastern Europe eastwards to the Middle East. A tiny plant of stony places. Fruits hairless
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Golden Alison Aurinia saxatilis
Native to Central Europe and the Balkan Peninsula but also widely grown elsewhere as a garden ornamental.
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Common Disc Cress Clypeola jonthlaspi
Native to South-Central Europe and the Mediterranean Region, eastwards to the Arabian Peninsula and Central Asia. Plant 5-20cm tall, petals 1-1.5mm long.
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