Araceae Juss.
Arum L.

Arum korolkowii Regel

This species is accepted, and its native range is N. Iran to Central Asia.


CATE Araceae, 17 Dec 2011.

Inflorescence borne above leaves. Petioles brownish green striped. Spathe-limb narrow, acuminate, green on inner surface. Spadix-appendix shortly and stoutly stipitate. Staminode and pistillode bases cream. (similar to Arum rupicola and Arum jacquemontii)
N Iran, Afghanistan, Central Asia.
Flowering April to May.
Soil pockets in rocky hillsides, beneath low scrub.
General Description
Tuberous herb sprouting in early winter from a discoid, vertically orientated tuber 4-7 cm across, 2.5-3 cm thick. Petiole terete, 12-35 cm long, 4-5 mm wide, pale green with brownish green, rather diffuse longitudinal stripes. Leaf- blade sagittate-hastate to oblong-sagittate, apex acute to rather obtuse, 8-16 cm long, 5-13 cm wide, deep to mid-green. INFLORESCENCE unscented. Peduncle exceeding the leaves, terete, 16-46 cm long, 5-7 mm wide, mid-green. Spathe 14-20 cm long; spathe-tube oblong-cylindric, 3-3.7 cm long, 1.5-2 cm wide, constricted apically, exterior mid-green, interior white ; spathe-limb narrowly lanceolate , 11-17 cm long, 2.5-3 cm wide, erect, acuminate, externally mid-green, internally slightly paler with very faint purple flushing along the outer ? of the limb. Spadix c. ? as long as the spathe, 11-14 cm in total length; appendix cylindric-fusiform, shortly and stoutly stipitate, 8.8-10 cm long, 6-8 mm wide, dull cream, heavily marbled with reddish brown, darkening to purplish brown in the basal, stipe purple. Staminodes in 3 or 4 whorls, formming a zone 5-7 mm long; bristles filiform, flexuous, 3-4 mm long, pale purple; bases compressed-conic, verrucate, cream. Interstices: upper 1.5-2 mm long, verrucate, cream; lower 0-0.5 mm long, verrucate, with vestigial staminode bases, cream. Staminate flowers in a roughly quadratic zone 6-8 mm long, 5.5-7.5 mm wide; anthers and connectives mid-purple. Pistillodes 4 whorls, forming a zone 3.5-4.5 mm long; bristles filiform, flexuous, 2.5-3.5 mm long, pale purple; bases bulbiform to conic, verrucate, cream . Pistillate flowers in an oblong-cylindric cluster 12-15 mm long, 7-9 mm wide; ovaries globose-oblong, 2.5-3 mm long, pale lime-green below, light green above; stigma cream. Fruiting spike oblong-cylindric, 5-6 cm long, 2-2.5 cm wide; berries oblong-pyriform, 5-10 mm long, 3-4.5 mm wide. Germination unknown.

Native to:

Afghanistan, Iran, Kazakhstan, Kirgizstan, Tadzhikistan, Turkmenistan, Uzbekistan

Arum korolkowii Regel appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Stevens, N., USSR 51374.000 No

First published in Trudy Imp. S.-Peterburgsk. Bot. Sada 2: 407 (1873)

Accepted by

  • Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.


CATE Araceae

  • Boyce, P.C. 1993. The Genus Arum. 196 pp.

  • CATE Araceae

    Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 17 Dec 2011.

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  • Kew Names and Taxonomic Backbone

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