var rupicola, var virescens
Tuber large, vertical. Petiole ofleaves 15-45 cm, uppermost with a very long membranous sheath. Lamina sagittate-hastate, 9-21 x 6-16 cm. Scape 20-60 cm. Spathe greenish to greenish purple outside, green or purple within, 20-38 x 3.5-6.5 cm; tube 3.56.5 cm, whitish inside; lamina suddenly acuminate into long slender apex. Spadix 12-24 cm, 3/5-3/4 x spathe. Female zone 11-21 mm; lower sterile zone 5-9 mm; male zone 4-11 mm, violet-purple; upper sterile zone 2-6 mm. Sterile filaments purple, 2-5 mm, slender, subulate. Appendix shortly stipitate, 9-19 cm x 7-20 mm. Fl. 5-6. Quercus and coniferous woods, rocky and stony places, roadsides, often by water, 1070-2060 m.
Distribution of species: N. lran, N. Iraq.