Aristolochia pallida, Willd.

9. A. pallida Willd. View in CoL , Sp. Pl. 4 (1): 162 (1805).

Simple or branched, glabrescent, 15-50 cm; tuber globose. Leaves 2-7 cm, ovate-reniform; petiole up to l-5(-2-5)cm. Flowers 3-6 cm, green, yellow or pale brown, with brownish or purplish stripes, the limb often darker. Capsule c. 2 cm, ovoid-oblong. S'. Europe, except the west. Al Bu Co Cr G a G r It Ju Rm Sa Si Tu.

The following two little-known taxa are probably subspecies or varieties of 9. A. macedonica Bornm. , Bot. Jahrb. 61(4): 106(1928) ( A.melanoglossa Bornm .,non Speg.). Like 9 but the tuber sometimes shortly cylindrical; leaves triangular-ovate; flowers 5-6 cm, brown, with pale purple stripes, limb dark purple, deeply emarginate. • Macedonia and Albania. Al Bu Ju. A. croatica Horvatic , Prir. Istraz. Krai. Jug. 18: 195 (1933). Like 9 but said to differ in the stem being rigid; internodes short (c. 2 cm); lower leaves up to 6 cm, decreasing rapidly above, the upper not more than 1 cm, triangular-ovate, thick, rigid; flowers pale purple-brown with greenish veins, limb greenish-yellow. • N. W. Jugoslavia (island o fPag). Ju.