Scientific name: Rorippa sylvestris (L.) Besser
Common name: Creeping Yellow-cress
Description
Habit: A hairless perennial, to 60 cm high.
Stems: Ascending to erect, creeping at the base; flowering branches erect.
Leaves: Alternate; all leaves pinnate to deeply pinnately lobed, with lanceolate and toothed leaflets.
Flowers: Yellow, actinomorphic, 4-5 mm across, in racemes; sepals 4, free; petals 4, free, longer than sepals; ovary superior.
Fruits: A silique, 10-18 mm, narrow, cylindrical, upright.
Habitat: Marshes and turloughs.
Distribution: Occasional and locally frequent on the Burren, very rare elsewhere.
Native status: Native
Of conservation interest: No