Rosa montana, Chaix

17. R. montana Chaix View in CoL in Vili., Hist. Pl. Dauph. 1: 346 (1786).

Stems up to 3 m, erect. Prickles curved or nearly straight, abruptly dilated at base. Leaflets 7-9,20-35 x 12-25 mm, broadly obovate, biserrate, glabrous, bluish-green, glandular beneath on the midrib and rarely also on the lateral veins; petiole and rhachis glandular. Flowers solitary or 2-3. Pedicels very densely stipitateglandular. Sepals glandular on the back, erect and persistent after anthesis. Petals 14-22 mm, pale pink, becoming whitish. Disc as wide as or very little wider than the orifice. Styles lanate. Fruit 15-25 mm, ovoid to elongate-pyriform, stipitate-glandular, rarely glabrous. S. Europe and parts o f S.C. Europe. Au G a G r He Hs It?Ju Si. (18-31). R. canina group. Stems up to 5 m, erect. Prickles usually curved or hooked, stout, usually all similar. Leaflets ovate, obovate, elliptical or suborbicular, glabrous or pubescent, eglandular or with a few glands on the main veins beneath, more rarely with numerous glands, the glands not strongly scented. Pedicels glabrous or stipitate-glandular. Flowers solitary or 2-5. Sepals 3-5 mm wide, usually deflexed after anthesis but sometimes erect or patent. Petals white or pink. Disc flat. Styles short or long, glabrous, villous or lanate. Fruit globose, ovoid or ellipsoid, glabrous or stipitate-glandular. 1 Sepals usually deflexed and deciduous in fruit; styles usually glabrous or villous, rarely lanate

2 Leaflets glabrous

3 Pedicels glabrous

4 Leaves eglandular

5 Disc narrow, the orifice more than 1 mm in diameter

24. subcanina

5 Disc wide, the orifice not more than 1 mm in diameter

18. canina

4 Leaves glandular, at least on the rhachis, petioles and veins

6 Leaflets with glandular teeth 21. nitidula

6 Leaflets with eglandular teeth 19. squarrosa

3 Pedicels stipitate-glandular

7 Disc narrow, the orifice more than 1 mm in diameter 24. subcanina

7 Disc wide, the orifice not more than 1 mm in diameter

8 Leaflets serrate, with short and rather wide teeth

20. andegavensis

8 Leaflets biserrate or compound-serrate, with long,

acuminate teeth

9 Styles glabrous; leaves usually eglandular or rarely sparsely glandular on petiole and rhachis 22. pouzinii

9 Styles villous; leaves glandular on veins, petiole and rhachis 21. nitidula

2 Leaflets hairy

10 Pedicels glabrous

11 Disc narrow, the orifice more than 1 mm in diameter 26. subcollina

11 Disc wide, the orifice not more than 1 mm in diameter

12 Leaves usually glandular beneath 28. obtusifolia

12 Leaves usually eglandular beneath 29. corymbifera

10 Pedicels ± stipitate-glandular

13 Leaves usually densely glandular beneath; styles usually long 31. abietina

13 Leaves with glands confined to rhachis and petiole; styles usually short 30. deseglisei

1 Sepals usually erect or patent in fruit, persistent; styles lanate

14 Acides present 27. rhaetica

14Acides absent

15 Stems usually reddish; leaflets glabrous or rarely with a few scattered glands beneath 23. vosagiaca

15 Stems usually green; leaflets hairy and usually glandular

16 Sepals erect or patent in fruit; leaflets densely appressedhairy beneath 25. caesia 16 Sepals deflexed or patent in fruit; leaflets usually sparsely hairy beneath 26. subcollina