Eupomatia
Eupomatia | ||||||||||||
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Eupomatia laurina , illustration |
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Systematics | ||||||||||||
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Scientific name of the family | ||||||||||||
Eupomatiaceae | ||||||||||||
Finite | ||||||||||||
Scientific name of the genus | ||||||||||||
Eupomatia | ||||||||||||
R.Br. |
Eupomatia is a genus of magnolia thatformsits own family, the Eupomatiaceae .
features
The species are aromatic fragrant shrubs with simple, rather thick, alternate standing in two rows foliage leaves .
The flowers are individually in leaf axils. As buds, they are covered by a conical cap (kalyptra) that falls off as a whole when the flower opens. Otherwise there is no flower cover. The stamens are numerous and screwy. They are thick, fleshy and petal- like with pollen sacs on their sides. The numerous, free (apocarpic) carpels are sunk into the flower base . The placentation of the ovules is sublaminar. There are two to eleven ovules per carpel. The scar is flat and papillary. The collective fruits are fleshy and berry-like .
distribution
The genus occurs only in eastern Australia and eastern Papua New Guinea and grows there in the margins of rainforests or wet sclerophyll forests .
Systematics
The Eupomatiaceae are the sister group of the Annonaceae within the Magnolia family . The only genus Eupomatia R.Br. consists of three types:
- Eupomatia barbata Jessup : The species, which was only newly described in 2002, occurs in north-eastern Queensland.
- Eupomatia bennettii F. Muell. : It occurs in Queensland and New South Wales. The number of chromosomes is 2n = 20.
- Eupomatia laurina R.Br. : It occurs in New Guinea and in eastern and south-eastern Australia. The number of chromosomes is 2n = 20.
Sources and further information
- Flora of Australia online
- Eupomatiaceae on the AP website
Individual evidence
- ^ Australian Plant Name Index
- ↑ a b c Rafaël Govaerts (Ed.): Eupomatia. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved April 17, 2015.
- ↑ a b Eupomatia at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
Web links
- Eupomatiaceae in L. Watson and MJ Dallwitz (1992 onwards), The families of flowering plants