English: Trekkersplanten; Trigger plant family.
Botany: 5 genera, 240 species; Forstera 5, Levenhookia 10, Oreostylidium 1, Phyllachne 4 and Stylidium 221; Australia and New Zealand; grass-like herbs or small shrubs and can be perennials or annuals, some climbing or scrambling; Donatia is sometimes included in
Stylidiaceae or in the monogeneric Donatiaceae.
TaxonomyStylidiaceae have traditionally been placed in
Campanulales traditionally.
There are several families that are closely related. They have been placed in the same
Subphase 2 in the
Plant theory.
The Cronquist system placed
Stylidiaceae and Donatiaceae in the
Campanulales.
The Takhtajan and Reveal systems placed them in the order Stylidiales.
The Dahlgren system uses the same Stylidiales order, but it omits Donatiaceae.
The Thorne system shifts
Stylidiaceae into the
Saxifragales order.
Families- Pentaphragmaceae
Botany: fleshy herbs, with asymmetrical leaf blades; Southeast Asia.
- Phellinaceae.
Botany: 1 genus Phelline; New Caledonia; sometimes placed in the
Aquifoliaceae.
-
AlseuosmiaceaeBotany: Australia, New Caledonia and New Zealand; shrubs; simple, alternate leaves, spiral or whorled, entire or dentate margins; flowers solitary are terminal or axillary, or aggregated in fascicles and rarely in racemes; fruit is a berry.
-
ArgophyllaceaeBotany: shrubs or small trees; 2 genera Argophyllum and Corokia; Australia, New Zealand, Lord Howe Island, New Caledonia and Rapa Iti.