Erodium tordylioides (Desf.) Guitt.
Erodium tordylioides is a perennial herb, 17-54 cm, with branching multicrowned woody rhizomes, subcaulescent.
Leaves: Leaves all basal, lamina 6.5-18.5 cm, ovate lanceolate, pinnate, with patent glandular hairs, a few eglandular hairs and some small glands especially beneath; leaflets 9-15(19), sometimes petioled, pinnatifid or pinnatisect, with ± acute teeth; stipules 9-20 mm, ovate lanceolate, whitish to brownish.
Inflorescence: Umbels directly from the caudex, with (7)11-24 flowers; bracts 6-14, ovate or triangular-ovate, pubescent, whitish; sepals 5.5-8 mm, elliptic, densely glandular-pubescent; mucro 0.4-0.8 mm; petals 7-13mm, pink or white, unequal, all petals marked or not the upper 2 often with a large mark; nectaries olive-green; Staminodes whitish; stamen filaments bluish or pinkish; anthers purple; pollen orange; stigmas purple
Fruit: fruit 39-56 mm; mericarps 5.5-7.5 mm foveole glandular, with a narrow furrow, base covered in abundant erect hairs. 2n=20 Guitt.
Distribution: endemic to Europe, Africa: Spain; Algeria; Morocco; usually found on chalk (dolomite) cliffs between 650 and 1200m.
Synonym: Erodium gaussenianum
