flower_perianth_symmetry

Label: Symmetry of perianth
Entity URI: https://w3id.org/APD/traits/trait_0012466
Type: categorical
Definition: A perianth morphology trait [TO:0000275] which is the symmetry [PATO:0000965] of the perianth [PO:0009058] (petals [PO:0009032], sepals [PO:0009031], and tepals [PO:0009033]), whereby a perianth is only considered actinomorphic [PATO:0001328] if all perianth whorls [PO:0025023] are actinomorphic.;Trait capturing the symmetry of the perianth.
Additional comments: This trait is applied to the perianth as a whole. In case of flowers with two or more perianth whorls, species are considered actinomorphic if all whorls are actinomorphic and as zygomorphic if one or more whorls are zygomorphic. Trait is not applicable when the perianth is missing. Definition and trait values derived from Schoenenberger et al. (2020) for their character '207. Symmetry of perianth (D1)'

Allowed values:

value	description
actinomorphic_general	Perianth displaying radial symmetry.
actinomorphic_rotational	Perianth that can be equally divided into three or more identical sections that, when rotated around the center of the flower by some number of degrees, exactly match each other in orientation and shape.
actinomorphic_spiral	Perianth lacking a distinct plane of symmetry because their perianth parts are spirally arranged.
actinomorphic_strictly_polysymmetric	Polysymmetry, with three or more planes of bilateral symmetry.
asymmetric	Perianth lacking any planes of symmetry.
disymmetric	Perianth with two orthogonal planes of bilateral symmetry.
zygomorphic	Monosymmetric, with a single plane of bilateral symmetry.

See the AusTraits Plant Dictionary (https://w3id.org/APD/traits/trait_0012466) for additional information about this trait.

Coverage

For this trait, AusTraits includes a total of 1,125 records. This includes: