Pajonera de cumbre, hierba pajonera (Descurainia bourgeauana)

Woody shrub, to 1.5 m, branching from the base. Leaves are sessile, bi-pinnatisect, with linear-lanceolate segments, usually dentate at the tip. Flowers are bright yellow, numerous and arranged in dense clusters. Fruits (pods) contain 16 brown seeds. This Canary Islands endemic is relegated to Tenerife, where it grows on high ground above 1,800 m. It is abundant and dominates high montane scrub, along with other species, such as Spartocytisus supranubius and Pterocephalus lasiospermus.