Fragrant coral rue
| Fragrant coral rue | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Boronia megastigma |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Boronia megastigma | ||||||||||||
| Nees ex Bartl. |
The Fragrant Boronia ( Boronia mega stigma ) is a plant from the genus Boronia ( Boronia ) within the family of the Rutaceae (Rutaceae). It is native to southern Western Australia and is characterized by its pleasant, intense fragrance, so that essential oils are extracted from the flowers .
description
The fragrant coral rue grows as an upright, slender shrub that reaches a maximum height of 2 meters. All parts of the plant smell because they contain glands that produce the essential oils. The leaves are whirling on thin branches. The dark green leaves, which are composed of three, rarely five leaflets , are up to 1.5 cm long, narrow and thick.
The flowering period extends from July to October. The hermaphrodite flowers are cup-shaped with a diameter of about 1 cm. The flower colors are brown to reddish purple on the outside and intense yellow on the inside; some varieties have different colors. During the time when the pistils are receptive to pollen, the activity of the scent glands is highest, which suggests that this is intended to attract fertilizing insects.
Occurrence
Boronia megastigma is native to the extreme southwest of Australia, the Southwest Botanical Province . The range includes Australia's biogeographical regions Esperance Plains , Jarrah Forest and Warren . They are found in humid or seasonally humid, low-lying areas, usually together with Jarrah ( Eucalyptus marginata ) forests and in flatlands and on rivers with myrtle heaths .
use
The main ingredients of the essential oil are β-ionone and dodecyl acetate . The oil is used for perfumes and as a fruity flavoring in the food industry.
Individual evidence
- Jump up ↑ Walter Erhardt, Erich Götz, Allen J. Coombes, Nils Bödeker, Siegmund Seybold: The Timber Press Dictionary of Plant Names. Timber Press, 2010, ISBN 978-1604691153 , p. 158.
- ^ A b Johannes Seidemann: World spice plants. Springer, 2005, ISBN 978-3540222798 , p. 68.
- ↑ a b B. M. Bussell, JA Considine, ZE Spadek: Flower and volatile oil ontogeny in Boronia megastigma . Annals of Botany 76, 1995, pp. 457-463. ( Online ; PDF; 821 kB)
- ↑ a b c d FloraBase - The Western Australian flora: Boronia megastigma Bartl. (accessed June 14, 2010)
- ^ A b c Margaret G. Corrick, Bruce Fuhrer: Wildflowers of Southern Western Australia Rosenberg Pub, 3rd edition, 2009, ISBN 978-1877058844 ( limited preview at books.google.de ) p. 192
- ↑ Plummer et al .: Intraspecific Variation in Oil Components of Boronia megastigma Flowers. In: Annals of Botany 83, 1999, pp. 253-262. ( online ; PDF; 203 kB)
- ^ JA Plummer et al., 1996: " Selection of Boronia for Essential Oils and Cut Flowers ." p. 602-609. In: J. Janick (ed.): Progress in New Crops . Arlington: ASHS Press.
- ↑ The Carotenoids of Boronia spp.