Euphorbia squamigera Loisel.
A much branched annual which forms rounded clumps up to 70 cm tall. Leaves oblanceolate or oblong-elliptical, about 4 cm long. Bracts broadly ovate, up to 18 mm long; bracteoles broadly ovate, about 1 cm long. Inflorescence with 3 to 5 primary rays, further divided into 2 or 3 rays four or five times. Floral glands kidney shaped, yellow, without horns. Fruit capsules rounded, up to 1 cm across, covered in wart-like tubercles. Seeds oblong; smooth; brownish. The milky latex from this family of plants is a skin irritant producing blisters and brown stains.
Local: Common in Gibraltar. Growing mainly along the upper and southern parts of the Rock, all the way down to Windmill Hill Flats.
Global: Found in the Mediterranean region.
Flowers between (February) March and April (June).
Grows on stony ground, in clearings in the maquis, and in garigue.