Family:
Araceae Juss.
Genus:
Arum L.

Arum cyrenaicum Hruby

This species is accepted, and its native range is SW. Kriti, NE. Libya.

[CATE]

CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

Distribution
NE Libya (Cyrenaica), Greece (S Crete).
Habitat
Open scrub, amongst boulders, shady slopes.
Phenology
Flowering March to April.
Diagnostic
Spathe-limb interior purple, fading to pale green basally. Spadix-appendix slender-cylindric, long-stipitate . Staminate flowers deep yellow with purple staining. (similar to Arum orientale & Arum purpureospathum)
General Description
Tuberous herb sprouting in early autumn from a discoid, vertical tuber 3.5-5 cm across, 2-2.5 cm thick. Petiole terete, 5.5-27 cm long, 3-6 mm wide, dark green with moderate purple staining. Leaf- blade broadly sagittate, apex obtuse to rather bluntly acute, 8.5-20 cm long, 4-12 cm wide, semi-glossy deep green. INFLORESCENCE smelling slightly of horse-dung. Peduncle not exceeding the leaves, terete, 3-11 cm long, 5-7 mm wide, semi-glossy mid-green, longitudinally striped with lighter green and moderately stained with purple. Spathe 10.5-16 cm long; spathe-tube oblong-cylindric, 2.5-4 cm long, 2-2.5 cm wide, constricted apically, exterior pale green with a narrow dull purple margin, interior dark purple , fading to pale green basally and deepening to plum-purple apically; spathe-limb elliptic, 8.5-12 cm long, 4-5.5 cm wide, erect, the apex drooping forwards as the inflorescence ages, acuminate, externally greenish, flushed with purple towards the edges, interior pale rosy purple to dark purple, fading to pale purple towards the tube and apex, limb green at the tip. Spadix c. ½ as long as the spathe-limb, 7-9.5 cm in total length; appendix slender-clavate, long-stipitate, 3.5-6.5 cm long, 5-7 mm wide, deep purple with a slight olive-green tinge, stipe darker. Staminodes in 3 or 4 whorls, forming a zone 4-6 mm long; bristles filiform, flexuous, 6-7 mm long, cream, minutely tipped with purple; bases pyriform, slightly verrucate, cream, with the verrucae tipped with lilac-mauve. Interstices: upper 4-5 mm long, lower 3.5-4 mm long, both longitudinally ridged, cream. Staminate flowers in a cylindric zone 2.5-3 mm long, 7-8 mm wide; anthers and connectives deep yellow , thecae with dull purple staining along the edges. Pistillodes in 2 or 3 whorls forming a zone 5-6 mm long; bristles filiform, flexuous, 5-6 mm long, cream, minutely tipped with purple; bases pyriform, slightly verrucate, cream, the verrucae tipped with lilac-mauve. Pistillate flowers in an oblong-cylindric cluster 1-2 cm long, 6.5-7 mm wide; ovaries oblong, truncate apically, mid-cream; stigma cream. Fruiting spike short-cylindric, 2.5-4 cm long, 2-2.5 cm wide; berries pyriform, 4-9 mm long, 3-5 mm wide. Germination epigeal.

Native to:

Kriti, Libya

Arum cyrenaicum Hruby appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Hoog, Libya 51372.000 No
Koenen, M. [0178], Libya 51636.000 No
Kanen, M. [M.K. 0178], Libya 51899.000 No

First published in Bull. Soc. Bot. Genève, sér. 2, 4: 159 (1912)

Accepted by

  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • 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.

Literature

Kew Backbone Distributions

  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.

  • Art and Illustrations in Digifolia

    Digital Image © Board of Trustees, RBG Kew

  • 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.
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Science Photographs

    Copyright applied to individual images