Aquilegia L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 238

22. Aquilegia L. 2

Perennial herbs with erect, woody stock. Leaves compound, 1 - to 3-ternate. Flowers hermaphrodite. Perianth-segments (sepals) 5, petaloid; honey-leaves (petals) 5, more or less tubular, each with a flat limb and a backwardly directed nectar-secreting spur. Stamens numerous, the innermost represented by scarious staminodes. Carpels free. Follicles several, free.

Many species and hybrids are cultivated for ornament.

Literature: P. A. Münz, Gentes Herbarum 7: 1 (1946).

1 Floweryellow 14. aurea 1Flowerpurple,blueorwhite

2 Spur shorter than limb of honey-leaf

3 Perianth-segments 22-40 x 16-22 mm 3. transsilvanica

3 Perianth-segments less than 20 x 11 mm

4 Spur straight; basal leaves biternate 15. kitaibelii 4 Spur strongly hooked;basalleavesternate(rarelybiternate)

5 Flowers violet-blue;perianth-segmentselliptic-ovate

1.litardierci

5 Flowers pale blue to white; perianth-segments elliptic-lanceolate 2.paui 2 Spur atleast aslong asthe limb ofhoney-leaf

6 Flowers bicolorous

7 Limb of honey-leaf 9 mm or more

8 Basal leaves ternate;perianth-segments25-30 mm

9. dinarica

8 Basal leaves 2-ternate;perianth-segments 18-24 mm

9 Limb of honey-leaf 13-14 mm,roundedatapex;stamens not exserted 7. amaliae 9 Limb of honey-leaf 16-20 mm,truncateatapex;stamens exserted 8.ottonis 7 Limb of honey-leaf less than 8 mm

10 Leaves 3-ternate,with numerous glandularhairsonboth surfaces 11. pancicii 10 Leaves 2-ternate,with few glandular hairs

11 Spur c. 12 mm, strongly hooked 10. dichroa 11 Spur 6-10 mm, ± straight (19-22).pyrenaicagroup 6 Flowers concolorous

12 Stamens exserted at least 1mm beyondthelimbofhoney-

leaf

13 Spur strongly hooked

14 Perianth-segments 15-24 mm;leavesglabrousbeneath

12.atrata 14 Perianth-segments 25-35 mm;leaves pubescentbeneath

13. nigricans 13 Spur ± straight

15 Limb of honey-leaves 3-6 mm;spur3-7 mm

(19-22). pyrenaicagroup 15 Limb of honey-leaves 8-20 mm;spur morethan 8 mm

16 Perianth-segments greenish at the apex; honey-leaves pale blue 25. nevadensis 16 Perianth-segments not greenish at the apex;honeyleaves purple to violet 26.grata 12 Stamens either not exserted beyondthelimbofthehoney-

leaf, or exserted for less than 1mm

17 Leaves mostly ternate;stem viscid above 6. hirsutissima 17 Leaves all 2-ternate;stem not viscid above

18 Plant subscapose;all caulineleaves ±undivided,linear,

sessile

19 Perianth-segments 10-18 mm wide, staminodes 6 -

7 mm 18. bertolonii 19 Perianth-segments 7-8 mm wide;staminodesc. 5 mm

20 Leaves glabrous beneath; limb of honey-leaves 8 -

10 mm 16. einseleana 20 Leaves pubescent beneath;limb of honey-leaves 11 -

13 mm 17. thalictrifolia 18 Plant not subscapose; cauline leaves dividedlikethe basal leaves, or somewhatsmaller

21 Spur strongly hooked

22 Staminodes acute;follicles c. 12 mm 5. viscosa 22 Staminodes obtuse;follicles 15-25 mm 4. vulgaris 21 Spur straight, or somewhat curved, never strongly hooked

23 Perianth-segments 5-7 mm wide;spur 6-7 mm

23. cazorlensis 23 Perianth-segments 8-16 mm wide;spur 10-25 mm

24 Follicles 13-17 mm (19-22). pyrenaicagroup 24 Follicles 20-30 mm

25 Spur 15-17 mm;styles 10-15 mm 24. bernardii 25 Spur 18-25 mm;styles 6-7 mm 27. alpina