Biarum gulsenianum

Karaman yılanpancarı

Tuberous perennial plants. Tuber slightly compressed, globose to discoid, 2–5 × 2.5– 6.5 cm, light brown, with several offsets. Leaves 2–4, hysteranthous, appearing before flowering. Petiole 10–13 × 0.4–0.6 cm. Leaf lamina elliptic to elliptic-lanceolate, 6–9 × 1.5–2.5 cm, obtuse to acute at apex, with 4–6 primary lateral veins per side; margins straight or slightly undulate. Cataphylls 2–8, 3–22 × 0.3–1.5 cm, narrowly lanceolate to linear-oblanceolate, whitish to very pale greenish white, straw-yellow when dry.  Inflorescence bad-smelling; peduncle 4–7 × 0.3–1.2 cm, whitish to cream. Spathe 9–13 cm long. Spathe tube slightly inflated, 3–4.5 × 1.5–3 cm, cylindrical-oblong to oblong-ovoid; margins connate for 1/2 to 2/3 of their length; outer yellowish cream to greenish cream; inner surface whitish cream to greenish cream, sometimes pale greenish purple at apex. Spathe limb broadly lanceolate, 5–11 × 2.5–7 cm, apex acute to slightly acute; outer surface yellowish green to light green, purple to greenish purple  towards margin, sometimes purplish punctate; irregularly undulate at margins; inner surface purple to dark purple. Spadix 7–12 cm long. Spadix appendix elliptic-fusiform to fusiform, 3–5 × 0.4–1 cm, dark purplish brown, yel-lowish purple or pale greenish purple; appendix stalk up to 4 mm long, purplish. Staminate flowers in zone 20–32 × 4–8 mm; anthers dirty whitish yellow, slightly purple at apex. Interstice 20–30 × 4–8 mm, yellowish purple to dark purple or reddish purple. Staminodes in 2–3 rows, 3–11 mm long, curved at apex, dark purplish to reddish purple. Pistillate flowers in zone 3–5 × 8–11 mm; ovary oblong, whitish at lower part and dark purple at upper part; stigma capitate, yellowish cream to dark purple; style up to 0.5 mm long, blackish purple. Infructescence semiglobose, 3–4 × 1.5–2.5 cm; berries oblong to oblong-ovate, 10–13 × 5–8 mm, purplish cream to purple.

Endemic.