Iris pallida subsp. cengialti
| Iris pallidula subsp. cengialti | |
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Monocots |
| Order: | Asparagales |
| Family: | Iridaceae |
| Subfamily: | Iridoideae |
| Tribe: | Irideae |
| Genus: | Iris |
| Subgenus: | I. subg. Iris |
| Species: | I. pallidula |
| Subspecies: | I. p. subsp. cengialti |
| Trinomial name | |
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Iris pallidula subsp. cengialti (Ambrosi ex A.Kern.) Foster |
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| Synonyms | |
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Iris pallidula subsp. cengialti is a subspecies in the genus Iris, it is also in the subgenus of Iris subg. Iris. It is a rhizomatous perennial, from Italy and (part of the former country of Yugoslavia) Slovenia. It has yellowish-green, glaucous, lanceolate or ensiform leaves, tall stem, green flushed with purple spathes, 2 short branches, 2-3 scented flowers, in shades of violet, blue-violet, deep purple, blue-purple, deep blue-purple, pale purple, deep blue, to mid-blue. It has a yellow or orange tipped beard. It was originally published as Iris cengialti but then re-classified as a subspecies of Iris pallida, and known as Iris pallida subsp. cengialti, but it is often still called Iris cengialti. It is cultivated as an ornamental garden plant in temperate regions.
It has a long, stout, fleshy, light-coloured (underground) rhizome. That is 1–3 cm wide (in diameter), and has long secondary roots. It forms creeping plants.
It has yellowish-green, lanceolate, or ensiform (sword-shaped), leaves, that are glaucous. The basal leaves, can grow up to between 15–50 cm (6–20 in) long, and about 1.3 cm wide. The herbaceous leaves (die in the winter), sheath the stem.
It has a round (in section) stem, or peduncle, that can grow up to between 30–45 cm (12–18 in), or 20–60 cm (8–24 in) tall. The stems are taller than the leaves, and at higher levels on the mountains, the plants are shorter. It is also shorter than Iris pallida.
The stem has glaucous green and ensiform spathes (leaves of the flower bud). They are slightly flushed with purple, and before flowering, they become pale brown, (scarious) membranous, and papery, They are 2.5 cm long, and between 2–4 cm (1–2 in) wide.
It has 2 short branches (or pedicels). The stems (and the branches) hold between 2 and 3 flowers, It can have up to 6 flowers, but normally has 3 flowers, in spring, between April to June, or May, to July.
The small, scented flowers, are 6–8 cm (2–3 in) in diameter, come in shades of blue, from violet, blue-violet, deep purple, blue-purple, deep blue-purple, pale purple, deep blue, to mid-blue.
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