Melampyrum cristatum, L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 254

1. M. cristatum L. , Sp.Pl. 605(1753).

Stem 15-50 cm. Leaves 3-15 m m wide, linear-lanceolate to lanceolate, entire or toothed. Spike 4-angled; bracts folded along m idrib, with ovate-cordate, pectinate base and long, entire, deflexed apex, yellowish-green, the basal p art variably tinged with purplish-red. Calyx 5-8 m m; tube glabrous except for 2 hirsute veins; teeth 1-5-4 mm, unequal. C orolla 12-16 mm, pale yellow, tinged at least on lower lip with purple; palate deeper yellow; th ro at closed. Capsule dehiscing along one margin only. 2n = 18. Much o fEurope, but absentfrom parts o f the north and south. Al A u Be Br Bu Co Cz D a Fe G a Ge He Hs H u It Ju N o Po R m Rs (N, B, C, W, E) Su. Ecotypic variants:

Autumnal: type of the species.

Aestivai: M. solstitialis Ronniger in Dörfler, Herb. Norm. 48: 247 (1907).

Montane: M. cristatum var. majus Baumg. , Enum. Stirp. Transs. 2: 197 (1816).