Austrobaileyales

Austrobaileyales is an order of flowering plants consisting of about 100 species of woody plants growing as trees, shrubs and lianas. A well known example is Illicium verum, commonly known as star anise. The order belongs to the group of basal angiosperms, the ANA grade (Amborellales, Nymphaeales, and Austrobaileyales), which diverged earlier from the remaining flowering plants. Austrobaileyales is sister to all remaining extant angiosperms outside the ANA grade.

Austrobaileya is the sole genus in the plant family Austrobaileyaceae – the family is thus 'monotypic' as it includes a single child taxon. It is one of the basal angiosperm families, the most ancient group of flowering plants. The genus is also monotypic, containing the single species Austrobaileya scandens. The species is endemic to the Wet Tropics bioregion of Queensland, Australia, where it occurs in well-developed upland rainforest. It was first described in 1933.

thumb|from Koehler (1887)

Trimeniaceae is a family of flowering plants recognized by most taxonomists, at least for the past several decades. It is a small family of one genus, Trimenia, with eight known species (Christenhusz & Byng 2016) of woody plants, bearing essential oils. The family is subtropical to tropical and found in Southeast Asia, eastern Australia and on several Pacific Islands.

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