Phagnalon Cass.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 133

29. Phagnalon Cass. 1

Dwarf shrubs. Leaves simple, alternate; margins entire, erose or remotely toothed. Capitula usually solitary at the ends of branches. Involucral bracts imbricate, in up to 5 rows. Receptacle flat; scales absent. Florets yellowish, all tubular, the outer female, the inner hermaphrodite. Achenes cylindrical, somewhat compressed or angled, unbeaked, usually hairy. Pappus-hairs in 1-2 rows, simple, free.

Putative hybrids between 1, 2 and 5 have frequently been recorded and many of them have been given binomials. Occa­ sional glabrous variants of all the species occur.

1 Capitula in clusters of 2-6 1. sordidum 1 Capitula solitary 2 Leaves glabrous 3 Leaves entire 6. pumilum 3 Leaves sinuate-dentate 3. metlesicsii 2 Leaves denselylanate,at leastbeneath 4 Margin of middle involucral bracts undulate 5. saxatile 4 Margin of middle involucral bracts flat 5 Outer involucral bracts ovate to triangular, obtuse 2. rupestre 5 Outer involucral bracts narrowly triangular to linear- lanceolate, acute 6 Leaves oblong-spathulate; margin entire 6. pumilum 6 Leaves oblanceolate to obovate; margin irregularly sinuate-dentate or strongly erose 4. graecum