Scutellaria 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 : 135

3. Scutellaria L. 1

Rhizomatous perennials. Flowers in pairs, remote or in a dense oblong raceme. Calyx 2-lipped, the tube campanulate, with an erect dorsal scale; lips entire, closed in fruit. Corolla 2-lipped; tube long and more or less curved upwards from the base, glabrous inside. Stamens parallel.

Literature: R. von Bothmer, Bot. Not. 122: 38-56 (1969). K. H. Rechinger fit, Bot. Arch. (Berlin) 43: 1-70 (1941).

Measurements relating to inflorescences, bracts and flowers should be taken on parts that are at anthesis. 1 Bracts mostly leaf-like, though smaller towards the apex 2 Petioles mostly 1 -2 times as long as the lamina 10. balearica 2 Petioles not more than j as long as the lamina 3 Corolla 6-10 mm, almost straight, patent, pink 13. minor 3 Corolla 10-23 mm, curved 45° or more, violet-blue, rarely pink 4 Calyx glandular-pubescent; leaves usually ±hastate 12. hastifolia 4 Calyx glabrous or eglandular-pubescent; leaves not hastate 11. galericulata 1 Bracts mostly distinct from the leaves 5 Upper lip of corolla yellow or pink 6 Leaves grey-tomentose beneath, deeply crenate to pinnatifid

1. orientalis 6 Leaves green, glabrous to pubescent, serrate-crenate 2. alpina 5 Upper lip of corolla purple, blue, reddish or white 7 Corolla 18 mm or more 8 Inflorescence ± 4-angled; leaves not more than 3 -5 cm,

usually obtuse 2. alpina 8 Inflorescence not 4-angled; leaves up to 8 cm, acute

3. columnae 7 Corolla less than 18 mm 9 Internodes of inflorescence c. 5 mm 10 Leaves 2-4(-5- 5) cm; bracts exceeding calyx 8. sieberi 10 Leaves 1 -2 cm; bracts not exceeding calyx 9. hirta 9 Internodes of inflorescence (8—)9—12 mm 11 Bracts 15-20 mm 7. velenovskyi 11 Bracts 3-12 mm

12 Flowers usually white; bracts usually more than 10 mm

6. albida

12 Flowers usually bluish; bracts usually less than 10 mm

13 Larger leaves at least 5 cm; calyx without or with only a

few long, white, eglandularhairs 4. altissima

13 Leaves not more than 4 cm; calyx usually with

numerous long, white, eglandular hairs 5. rubicunda