Common name:
Field pennycress
Family:
Scientific name:
Thlaspi arvense
Main flower color:
Range:
All of the British Isles except the Scottish Highlands
Height:
Up to 50 cm
Habitat:
Waste and cultivated ground
Flowers:
Four hairless, yellow-green sepals, four white petals and six pale yellow stamens. Flowers form as an open, elongated cluster
Fruit:
Flattish, winged obovate pods, notched at the tip, the notch much deeper than the tiny residual style at the base; about 15 mm long
Leaves:
Alternate, hairless, shiny, clasping, coarsely-toothed - only along the stem, not at the base
Season:
May to September
Rarity:
★★★★★
