Orlaya kochii, Heywood

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 372

1. O. kochii Heywood , Agron . Lusit. 22: 13 (1961)

( O. platycarpos Koch pro parte, Caucalis platycarpos auct., non L. (1753)).

Annual. Stems up to 40 cm, simple or branched, slightly hairy at the base. Leaves 2- to 3-pinnate, the ultimate segments oblong. Umbels long-pedunculate, with 2-4 rays. Bracts 2-3, lanceolate, usually as long as the rays; bracteoles 2-3, ovate-lanceolate to obovate, with a membranous, glabrous or ciliate margin. Petals white, the outer 2-3 times as long as the others. Fruit 10-15 mm, ellipsoid; secondary ridges with 2-3 rows of spines which are confluent at the base and as long as the width of the fruit. 2n=16. Dry places. S. Europe. Al Bu Co Cr Ga G r Hs It Ju Lu Rs (K) Sa Si Tu.

O. topaliana Beauverd , Candollea 7: 262 (1937) described from Greece (Thessalia), has deflexed bracteoles, densely hispidpapillose primary ridges and the spines on the secondary ridges forming conspicuous wings. Other plants from Greece show similar features and they may prove to form a subspecies of 1.