Eupomatia

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Eupomatia
Eupomatia laurina, illustration

Eupomatia laurina , illustration

Systematics
Subdivision : Seed plants (Spermatophytina)
Class : Bedecktsamer (Magnoliopsida)
Magnoliids
Order : Magnolia-like (Magnoliales)
Family : Eupomatiaceae
Genre : Eupomatia
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 .

Eupomatia laurina in flower
Eupomatia laurina

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

Individual evidence

  1. ^ Australian Plant Name Index
  2. ↑ 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.
  3. ↑ a b Eupomatia at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis

Web links

Commons : Eupomatia  - collection of images, videos and audio files