Azores bellflower
| Azores bellflower | ||||||||||||
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Azores bellflower ( Azorina vidalii ) |
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| Systematics | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Azorina | ||||||||||||
| Feer | ||||||||||||
| Scientific name of the species | ||||||||||||
| Azorina vidalii | ||||||||||||
| ( HCWatson ) Feer |
The Azores bellflower ( Azorina vidalii ) is the only species of the Azorina plant genus within the bellflower family (Campanulaceae). This endemic species of the Azores is also used as an ornamental plant.
description
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Vegetative characteristics
The Azores bellflower grows as an evergreen, perennial herbaceous plant that reaches heights of 80 to 150 centimeters. It already branches out at the base and lignifies in the lower part.
The Azores bellflower has alternate leaves . The fleshy, simple leaf blade is elongated and dark green.
Generative characteristics
The flowering period extends from May to October. The upright inflorescence contains numerous stalked, drooping flowers.
The hermaphroditic flowers are radial symmetry and five-fold with a double flower envelope . The five waxy, delicate pink petals are fused together like a bell. The form Azorina vidalii forma alba Sealy has white flowers.
The number of chromosomes is 2n = 56.
Occurrence and endangerment
Azorina vidalii occurs on the islands of Pico , São Jorge and the western group of the Azores, but not on the island of Graciosa .
The rare Azores bellflower usually thrives in crevices on the cliffs. It is usually found below an altitude of 50 meters and mostly with sea fennel ( Crithmum maritimum ), which also tolerates the sea spray.
In the IUCN Red List of Endangered Plant Species , Azorina vidalii was rated as “Endangered” in 2011. The sites are strongly isolated from each other. In 2011 a number of 250 to a maximum of 1000 flowering specimens was reported.
Systematics
It was first described in 1844 under the name ( Basionym ) Campanula vidalii by Hewett Cottrell Watson in Hooker's Icones Plantarum , Plate DCLXXXIV (684). Heinrich Feer established the genus Azorina with this species in 1890 under the name Azorina vidalii in Botanical Yearbooks for Systematics, Plant History and Plant Geography , 12, p. 611.
Azorina vidalii is the only species of the genus Azorina in the subfamily Campanuloideae within the family Campanulaceae .
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Individual evidence
- ^ Azorina vidalii at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ↑ Azorina vidalii in the IUCN Red List of Threatened Species 2017.4. Posted by: M. Bilz, 2011. Accessed February 8, 2018.
- ↑ First publication scanned at biodiversitylibrary.org .
- ↑ Feer 1890 scanned in at biodiversitylibrary.org .
- ^ Azorina at Tropicos.org. Missouri Botanical Garden, St. Louis, Retrieved February 7, 2018.
- ↑ Thomas G. Lammers: World Checklist of Campanulaceae. 2007: online in: Rafaël Govaerts (Ed.): Azorina. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 7, 2018.
- ↑ Azorina vidalii in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved February 7, 2018.
