Arum korolkowii
Arum korolkowii Regel
Arum korolkowii is a tuberous herb in the Araceae family, native to Central and Southwestern Asia. It sprouts from a vertically oriented tuber and has a distinctive inflorescence with a mid-green spathe and a marbled spadix. The plant is adapted to rocky, scrub-covered habitats.
Description
Arum korolkowii, described by Regel in 1873, is a winter-sprouting tuberous herb found in Afghanistan, Iran, Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan. The plant features a discoid tuber and a petiole up to 35 cm long with pale green, striped leaves. The inflorescence is unscented, with a spathe up to 20 cm long and a spadix that is marbled with reddish brown. It grows in soil pockets on rocky hillsides and under low scrub. The species is characterized by its staminodes in 3-4 whorls and staminate flowers in a quadratic zone. The pistillodes form a shorter zone with filiform bristles. The plant is adapted to arid and rocky environments typical of its distribution range.
Distribution
Afghanistan · Iran · Kazakhstan · Kirgizstan · Tadzhikistan · Turkmenistan · Uzbekistan
Synonyms
Biarum sewerzowi
