Erodium rupestre (Pourret) Marcet.
Erodium rupestre is a perennial herb 6-28cm.
Leaves: basal leaves with lamina 2-10 cm, triangular-ovate, bipinnatisect with intercalary leaflets, with stiff adpressed eglandular hairs on upper surface, so the upper surface appears silver, lower surface green, glabrous; ultimate divisions linear to linear-eliptical, in the same plane as the leaf; petiole 5-20cm; stipules 7-9mm, lanceolate, usually glabrous, green or brown
Inflorescence: Umbels of 2-5 flowers; bracts 5-8, 3-5mm, free, with adpressed hairs on the outer surface, whitish; pedicel with dense adpressed hairs; sepals 5-6.5mm,with dense adpressed hairs on lower surface; mucro 0.5-0.8mm; petals 7.5-10mm, ± equal, one-coloured, whitish or pale pink with purple veins, the 2 upper petals with veins more marked, not spotted or a little marked; nectaries green-brown; staminodes whitish and hairy; stamen filaments pinkish at the tip, hairy at the base; anthers purple; pollen coral pink; stigmas yellowish to pink. Flowers March to October.
Fruit: fruit 21-38mm; rostrum 18-25 mm; mericarps 5-7mm, brown; foveole with sessile or short stalked glands, without a furrow. 2n=20
Distribution: endemic to NE Spain, in dry chalky rocks at about 1000m, foothills of the Spanish side of the Pyrenees; Spanish provinces Barcelona, Huesca, Lerida.
