Gypsophila L.

31. Gypsophila L. View in CoL 3

Annual or perennial herbs. Inflorescence dichasial, paniculate to capitate; bracts scarious. Epicalyx absent. Calyx 5-veined, with scarious commissures. Petals exceeding calyx, usually gradually narrowed into claw; coronal-scales absent; claw unwinged; stamens 10; styles 2; stigmatic surface terminal. Capsule dehiscing with 4 teeth; carpophore absent. Seeds subreniform, flattened on both sides, with lateral hilum; embryo peripheral, with prominent radicle. Literature: F. N. Williams, Jour. Bot. (London) 27: 321-9 (1889). G. Stroh, Beih. Bot. Centr. 5 9 b: 455-77 (1939). Y. I. Barkoudah, Wentia 9: 1-203 (1962).

1 Annual, without woody stock and vegetative stems

2 Leaves not more than 3 mm wide, linear

3 Calyx 2 mm, glandular-puberulent; petals emarginate

24. linearifolia 3 Calyx 2-5-4 mm, glabrous; petals entire 26. muralis 2 Leaves more than 3 mm wide, lanceolate

4 Plant glabrous 25. elegans 4Stem villous or hispid 28. pilosa 1 Perennial, with woody stock and vegetative stems

5 Flowers subsessile, in dense globose clusters

6 Stem not more than 20 cm, simple, with solitary flower- cluster 14. petraea 6 Stem usually more than 20 cm, always branched

Branches of inflorescence glabrous; leaves 10-50 mm, semiterete 10. struthium Branches of inflorescence puberulent; leaves 20-100 mm, linear-lanceolate

8 Bracts triangular-acute, entire; seeds with long, acute,

conical tubercles 15. glomerata 8 Bracts ovate-orbicular, erose; seeds with obtuse tubercles

16. globulosa 5 Flowers distinctly pedicellate

9 Whole inflorescence, including calyx and pedicels, glabrous

10 Leaves 10 mm or more wide, 3- to 7-veined

11 Petals emarginate; leaves ovate to oblong-lanceolate

21. perfidiata 11 Petals entire; leaves lanceolate to ovate-lanceolate

23. tomentosa 10 Leaves less than 10 mm wide, usually 1-veined

12 Leaves c. 6 x 0-5 mm 27. macedonica 12 Leaves 10 mm or more long and more than 0-5 mm

wide

13 Inflorescence lax, paniculate or subcorymbose; pedicels usually twice as long as calyx or longer

14 Plant with procumbent rhizome; leaves usually subobtuse; calyx-teeth acute 4. repens 14 Plant without procumbent rhizome; leaves acute;

calyx-teeth obtuse

15 Calyx 1-5-2 mm 17. paniculata 15 Calyx 2-5-3-5 mm 12. patrinii 13 Inflorescence dense, corymbose; pedicels less than twice as long as calyx

16 Calyx not more than 2 mm; leaves obtuse or subacute

(Spain) 9. hispanica 16 Calyx 2 mm or more; leaves acuminate (not Spain)

17 Bracts and calyx-teeth ciliate; seeds with long, acute,

conical tubercles 11. collina 17 Bracts and calyx-teeth not ciliate; seeds with obtuse tubercles 8. papillosa 9 Inflorescence glandular-hairy, at least in part

18 Inflorescence dense; pedicels not more than twice as long as calyx

19 Leaves 1-veined, linear

20 Calyx 2-3 mm, glabrous 7. fastigiata 20 Calyx 3-4-5 mm, glandular-pubescent 13. uralensis 19 Most leaves 3(-5)-veined, not linear

21 Leaves oblanceolate to linear-oblanceolate, widest above the middle 5. altissima 21 Leaves lanceolate to linear-lanceolate, widest below the middle 20. acutifolia 18 Inflorescence lax; pedicels longer than calyx, usually more than twice as long

22 Leaves c. 0-5 mm wide 3. spergulifolia 22 Leaves more than 1 mm wide

23 Leaves not more than 10mm; inflorescence with not more than 10 flowers

24 Whole plant usually viscid-pubescent; petals pale purplish 1. nana 24 Plant hairy only in inflorescence; petals white 2. achaia

23 Leaves more than 10 mm; inflorescence with more than

10 flowers

25 Leaves 10 mm or more wide

26 Seeds smooth; plant green 23. tomentosa 26 Seeds with blunt tubercles; plant glaucous

22. scorzonerifolia 25 Leaves less than 10 mm wide

27 At least some pedicels pubescent

28 Pedicels 2-3 times as long as calyx 6. litwinowii 28 Pedicels 5-10 times as long as calyx 18. arrostii 27 All pedicels glabrous

29 Calyx 1-5-2 mm, teeth obtuse; petals linearspathulate 17. paniculata 29 Calyx 2-3 mm, teeth acute; petal-limb narrower than claw 19. belorossica