Subspecies of plant
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Arum italicum" subsp. "canariense is a flowering plant subspecies in the family Araceae.
Description.
"Arum italicum" subsp. "canariense" differs from other subspecies in having spathe tubes that are purple on the interior, staminodes in 2 or 3 whorls (versus 4 or 5 in other subspecies), and petioles and peduncles that are dull purple instead of green. Leaves and inflorescences of Madeiran plants are also reportedly larger than continental plants.
Habitat.
It grows in clearings in "Laurus" forests in Madeira, the Canary Islands, and the Azores.
Taxonomy.
It was described in 1848 as an independent species, "Arum canariense". Within the genus "Arum", it belongs to subgenus "Arum", and section "Arum". A recent molecular study found that this island subspecies is well-differentiated from its mainland relatives, although its specific status and relationship with the mainland "Arum italicum" and with "Arum concinnatum" are unclear.
References.
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