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Italian arum

How to identify Italian arum (Arum italicum)

Italian arum, also known as Large cuckoo pint

Italian arum exhibits tuberous rhizomatous roots with distinct arrow-shaped leaves that are a deep green color accentuated by silver-gray veining. Its flowers are characterized by an erect, slender spadix, varying from pale to dark yellow or dull brown, encased within a creamy white spathe edged in purplish hues. Notably, the flower emits an odor reminiscent of stale urine. Post-blooming, it bears cylinder-like spikes brimming with green to orangish-red berry clusters, each measuring up to 1 inch (2.5 cm) in diameter.

Lifespan

Lifespan: Perennial, Annual

Plant Type

Plant Type: Herb

Leaf Type

Leaf Type: Evergreen

Quickly Identify Italian arum

1

Arrow-shaped, dark green leaves with silver-gray veining

2

Flowers with pale to dark yellow or dull brown spadix and white spathe with purplish edges

3

Distinctive orangish-red berry clusters measuring up to 1 inch (2.5 cm) in diameter

4

Leaves reaching up to 12 inches (30 cm) in length and 6-8 inches (15-20 cm) in width

5

Distinct odor resembling stale urine emitted by flowers

Italian arumItalian arumItalian arumItalian arumItalian arum

Detailed Traits of Italian arum

Leaf Features

The leaves of italian arum are large, arrow-shaped, and dark green with a glossy texture. Silver-gray or greenish-white veins prominently mark both the primary and lateral areas. Each leaf can reach up to 12 inches (30 cm) in length and 6-8 inches (15-20 cm) in width. The foliage is distinctive and becomes dormant during the summer.

Leaf Shape

Sagittate

Italian arum Leaf Shape image
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Flower Features

The flower of italian arum features a central, erect, slender spadix that ranges from pale to dark yellow or dull brown and measures approximately 4-5 inches (10-13 cm) tall. Surrounding the spadix is a green-yellow or white spathe with purplish margins, which reaches about 8-10 inches (20-25 cm) in height. These flowers are distinctive for their unique coloration and structure, making them identifiable during their blooming period.

Inflorescence Type

Spadix

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Fruit Features

After the flowering period of italian arum, the fruit manifests on a lengthened stem reaching 6-12 inches (15-30 cm) high, culminating in an oblong cluster. Encased by a protective, paper-like tunic, this cluster, upon maturity, reveals itself through the tunic's drying and peeling behavior. Within, it boasts a dense aggregation of vibrant orangish-red berries. Each berry is a glossy visual cue to the fruit's ripeness, with a texture that appeals to various fruit-dispersing wildlife.

Italian arum Fruit image
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Key Facts About Italian arum

Attributes of Italian arum
Lifespan
Perennial, Annual
Plant Type
Herb
Plant Height
30 cm to 46 cm
Spread
50 cm
Leaf Color
Green
Variegated
White
Silver
Flower Size
15 cm to 33 cm
Flower Color
White
Yellow
Green
Cream
Fruit Color
Red
Orange
Stem Color
Green
Red
Yellow
Orange
Leaf type
Evergreen
The Toxicity of Italian arum
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Scientific Classification of Italian arum

Family
Arum
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Species
Italian arum (Arum italicum)
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Distribution Map of Italian arum

Italian arum is native to Europe, West Africa and several Asian countries, where it resides in calcium carbonate-rich, rocky soil. Italian arum was introduced to Argentina, New Zealand and several European countries
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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