Verticordia subg. Chrysoma is a botanical name

Botanical name

A botanical name is a formal scientific name conforming to the International Code of Botanical Nomenclature and, if it concerns a plant cultigen, the additional cultivar and/or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants...

 for a grouping of similar plant species in the genus Verticordia

Verticordia

Verticordia, a genus of the Myrtaceae family, are woody shrubs with small and exquisite flowers. They are mostly found in Southwest Australia, with several outlier species in northern regions. A revision of the genus in 1991 produced a classification within Verticordia of 3 subgenera, 24 sections,...

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This subgenus

Subgenus

In biology, a subgenus is a taxonomic rank directly below genus.In zoology, a subgeneric name can be used independently or included in a species name, in parentheses, placed between the generic name and the specific epithet: e.g. the Tiger Cowry of the Indo-Pacific, Cypraea tigris Linnaeus, which...

 contains seven section

Section (botany)

In botany, a section is a taxonomic rank below the genus, but above the species. The subgenus, if present, is higher than the section, and the rank of series, if present, is below the section. Sections are typically used to help organise very large genera, which may have hundreds of species...

s, classifying twenty one species, of Alex George

Alex George

Alexander Segger George is a Western Australian botanist. He is the authority on the plant genera Banksia and Dryandra...

's infrageneric arrangement. A number of similar anatomical features differentiate the contained species from the two other subgenera.

The name of this subgenus was first given by Schauer

Johannes Conrad Schauer

Johannes Conrad Schauer was a botanist interested in Spermatophytes. He was a professor of botany at the University of Greifswald. Amongst his published works are descriptions of the myrtles of Western Australia.-References:...

 in 1840, likely derived from the Greek chryso- for golden, for the yellow flowered species. The revision of the genus by George devised a new section with this name - Verticordia sect. Chrysoma (Schauer) A.S.George - nominating Verticordia acerosa

Verticordia acerosa

Verticordia acerosa is a woody shrub found in Western Australia....

as the type species

Type species

In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

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The leaves are often found to differ at the flowering branch and the base of the plant. They are long and thin, and flattened or needle-like. Small green structures in other Verticordia, found at the edge of the hypanthium

Hypanthium

A hypanthium is a floral structure consisting of the bases of the sepals, petals, and stamens fused together. Its presence is diagnostic of many families, including the Rosaceae, Grossulariaceae, and Fabaceae...

, are absent in this taxon. The flowers become red, or orange, in some of the contained taxa, but are otherwise yellow.

Verticordia subg. Chrysoma

Section Chrysoma

Verticordia sect. Chrysoma

Verticordia sect. Chrysoma is a section of Verticordia that describes a group of four shrub species. The section is contained by a subgenus, Verticordia subg. Chrysoma, in Alex George's 1991 revision of the genus. The type species for this section is Verticordia acerosa.The species described as...

Section Jugata

Section Unguiculata

Section Sigalantha

Section Chrysorhoe

Verticordia sect. Chrysorhoe

Verticordia sect. Chrysorhoe is a section of Verticordia that describes a group of four shrub species. The section is contained by a subgenus, Verticordia subg. Chrysoma, in Alex George's 1991 revision of the genus. The sections name, which may refer to the flowers, is derived from Greek, chryso-...

Section Cooloomia

Section Synandra