Doryphora Austro-caledonica
   HOME

TheInfoList



OR:

''Doryphora'' is a genus of 2 species of flowering plants in the family
Atherospermataceae The Atherospermataceae, commonly known as the southern sassafrases, are a family (biology), family of broadleaf evergreen trees and shrubs. The family includes 14 species in seven genus, genera. The atherosperms are today mostly distributed in th ...
that are
endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to Australia. Plants in the genus ''Doryphora'' are medium-sized to tall trees with
glabrous Glabrousness () is the technical term for a lack of hair, down, setae, trichomes, or other such covering. A glabrous surface may be a natural characteristic of all or part of a plant or animal, or be due to loss because of a physical condition, ...
, leathery, sometimes serrated leaves, and flowers usually arranged in groups of 3, each flower with both make and female parts, usually 4 or 6
tepal A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of very ...
s, 6
stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...
s and 6 to 12
carpels Gynoecium (; ; : gynoecia) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ...
.


Description

Plants in the genus ''Doryphora'' are medium-sized to tall trees with aromatic bark and leaves. The leaves af glabrous, leathery and sometimes deeply serrated. The flowers are
bisexual Bisexuality is romantic attraction, sexual attraction, or sexual behavior toward both males and females. It may also be defined as the attraction to more than one gender, to people of both the same and different gender, or the attraction t ...
, usually borne in groups of 3 in leaf axils, with large
bract In botany, a bract is a modified or specialized leaf, associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves in size, color, shape or texture. They also lo ...
s covering the flower, but falling off as the flower matures. Each flower has a bell-shaped
hypanthium In angiosperms, a hypanthium or floral cup is a structure where basal portions of the Sepal, calyx, the petal, corolla, and the stamens form a cup-shaped tube. It is sometimes called a floral tube, a term that is also used for corolla tube and cal ...
, usually 4 or 6 tepals, six male
stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...
s, 6 to 12
staminode In botany, a staminode is an often rudimentary, sterile or abortive stamen, which means that it does not produce pollen.Jackson, Benjamin, Daydon; ''A Glossary of Botanic Terms with their Derivation and Accent''; Published by Gerald Duckworth & Co ...
s, and 6 to 12 carpels. The fruit is oval to cylindrical or urn-shaped, and splits into 2 to 4 equal valves.


Taxonomy

The genus ''Doryphora'' was first formally described in 1837 by
Stephan Endlicher Stephan Friedrich Ladislaus Endlicher, also known as Endlicher István László (24 June 1804 – 28 March 1849), was an Austrian Empire, Austrian botanist, numismatist and Sinologist. He was a director of the Botanical Garden of Vienna. Biog ...
in ''Genera Plantarum Secundum Ordines Naturales Disposita'', and the first species he described (the
type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...
) was ''
Doryphora sassafras ''Doryphora sassafras'', commonly known as sassafras, yellow sassafras, golden deal or golden sassafras, is a species of flowering plant in the Southern Sassafras Family Atherospermataceae and is endemic to eastern Australia. It is a shrub to tre ...
''. The name of the genus means "spear-carrier", a reference to the prominent appendages on the
anther The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...
s.


List of species

The following is a list of ''Doryphora'' species accepted by
Plants of the World Online Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...
as at May 2024: *'' Doryphora aromatica'' ( Bailey) L.S.Sm. (northeast Queensland) *''
Doryphora sassafras ''Doryphora sassafras'', commonly known as sassafras, yellow sassafras, golden deal or golden sassafras, is a species of flowering plant in the Southern Sassafras Family Atherospermataceae and is endemic to eastern Australia. It is a shrub to tre ...
'' Endl. (east Queensland and New South Wales)


References

{{Taxonbar, from=Q4166635 Atherospermataceae Laurales genera Laurales of Australia