Globularia 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 : 282

1. Globularia L. 2

Usually evergreen. Flowers in capitula. Corolla 2-lipped; upper lip usually 2-lobed, often small; lower lip 3-lobed, longer than the upper. Stamens and style exserted; stigma 2-lobed.

All species grow in dry places such as mountain rocks, grassland or stony slopes.

1 Shrub, with erect or procumbent woody branches 2 Erect shrub; twigs leafy up to the inflorescence, never rooting

at the nodes 8. alypum 2 Procumbent shrub; twigs often rooting at the nodes; inflor­

escences usually on leafless peduncles arising from a leaf-

rosette 3 Leaves obovate to suborbicular, emarginate to rounded,

sometimes mucronate at apex 4 Involucral bracts abruptly cuspidate 12. neapolitana 4 Involucral bracts gradually acuminate 5 Subterranean stolons absent; calyx 2-lipped 9. cordifolia 5 Subterranean stolons present; calyx almost actinomorphic

13. stygia 3 Leaves lanceolate to oblanceolate, acute, very rarely some

slightly emarginate 6 Leaves 10-20(-25) x c. 1 mm, folded 11. repens 6 Leaves 20-90 x 2-5 mm, flat 10. meridionalis 1 Herbs, often with a woody stock 7 Leaves deciduous, not forming a well-marked rosette; cauline

leaves mostly petiolate 1. incanescens 7 Leaves evergreen, forming a well-marked rosette; cauline

leaves absent or all sessile 8 Flowering stem without or rarely with up to 3 small bracts;

leaves erect or erecto-patent 9 Stolons absent; leaves 6-12 cm 14. nudicaulis 9 Stolons 1-5 cm; leaves 4—7 cm 15. gracilis 8 Flowering stem with numerous small leaves; basal leaves

± horizontal 10 Rosette-leaves with lateral veins distinctly visible on upper

surface 3. punctata 10 Rosette-leaves with lateral veins not or scarcely visible on

upper surface 11 Rosette-leaves with 2 or more long, patent, spinescent

teeth on each side 7. spinosa 11 Rosette-leaves entire, 3-dentate at apex or, rarely, with

small, somewhat spinescent, forward-pointing teeth on

the margin

12 Stolons present; calyx-teeth 3-4 times as long as the tube

2. trichosantha

12 Stolons absent; calyx-teeth not or little longer than the

tube (4-6). vulgaris group