Aphanopetalum
| Aphanopetalum | ||||||||||||
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Aphanopetalum resinosum |
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| Systematics | ||||||||||||
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| Scientific name of the family | ||||||||||||
| Aphanopetalaceae | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Aphanopetalum | ||||||||||||
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Aphanopetalum is the only genus of the family of Aphanopetalaceae in the order of the saxifrage-like (Saxifragales).
description
The Aphanopetalum species are evergreen , climbing shrubs . The opposite leaves are short-stalked, leathery and simple. The leaf margin is smooth or serrated. The stipules are small or absent.
The flowers can stand alone or be arranged in groups in axillary, zymous inflorescences . The small, hermaphrodite, radial symmetry flowers are four-fold. There is a short flower cup ( hypanthium ). The four sepals are only briefly fused at their base; they enlarge during fruiting. There are four tiny petals , these can also be missing; both can even occur on a single plant. There are two circles with four fertile , mostly free stamens each. The pollen is tricolporate. Four carpels are a partial (quarter to half) under constant ovary grown. Each carpel contains only one ovule . There are four free pens available.
There are walnut fruits formed, in which the four sepals are clearly visible.
Systematics and distribution
The genus Aphanopetalum was formerly classified in the families of the Saxifragaceae and Cunoniaceae .
A synonym for Aphanopetalum Endl. is Platyptelea J. Drumm. ex Harv.
In the genus Aphanopetalum and thus in the family Aphanopetalaceae there are only two species. The genus has a disjoint area in Australia : It is native to western and eastern Australia, but not in the areas in between.
- Aphanopetalum clematideum (Harv.) Domin : Home is western Australia along rivers and on hills.
- Aphanopetalum resinosum Endl. : Home is eastern Australia.
swell
- The family of Aphanopetalaceae in APWebsite. (engl.)
- HR Coleman: Aphanopetalum in the Western Australian Flora : Online.
- Klaus Kubitzki: Aphanopetalaceae in The Families and Genera of Vascular Plants , Volume 9, 2007. ISBN 978-3-540-32214-6
- GJ Harden: Flora of New South Wales 1: 518, 1990: Aphanopetalum in the New South Wales Flora Online .
