Iris planifolia

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 91

24. I. planifolia (Miller) Fiori & Paol ., FZ. Anal. Ital. 1: 227 (1896)

( Costia scorpioides (Desf.) Willk. ).

Bulb cylindrical, invested by numerous membranous leaf-bases. Stem very short and subterranean. Leaves 10-30 cm x 10-30 mm, numerous, undulate, more or less recurved. Flowers l (-3), blue to violet, rarely white; pedicel very short at anthesis, elongating in fruit; spathes c. 100 mm, more or less hidden by the leaves. Hypanthial tube 100-200 mm, whitish. Falls 50-80 x 20-30 mm. Standards 20-25 x 7-10 mm. Style-branches almost as long as the falls. Seeds ovoid or pyriform, rugose, dark reddish-brown. Flowering in winter. 2« = 24. Mediterranean region, S. & C. Portugal.

Cr Gr Hs Lu Sa Si. Sect, xiphion . Roots fibrous (rarely a few fleshy, but not persistent in dormant season). Stems simple, hollow. Leaves linear, canaliculate. Standards suberect, at least £ as long as falls. Seeds without an aril.