Doyleanthus
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''Doyleanthus'' is a
monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
of
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
s belonging to the family
Myristicaceae The Myristicaceae are a family of flowering plants native to Africa, Asia, Pacific islands, and the Americas and has been recognized by most taxonomists. It is sometimes called the "nutmeg family", after its most famous member, ''Myristica fragra ...
. The only species is ''Doyleanthus arillata''. Its native range is
Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
.


Description

Similar in form to ''
Mauloutchia ''Mauloutchia'' is a genus of trees endemic to the lowland eastern and northern rain forests of Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: Rép ...
'' in all vegetative and inflorescence characters, but unambiguously different in its monocyclic
androecium The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filam ...
(multiple stamens) with 3–4 strictly sessile anthers. It has a fully developed, deeply laciniate aril (seed coating), a condition otherwise found only in Madagascar in '' Mauloutchia heckelii'', from which ''Doyleanthus'' may easily be distinguished by its unclustered, pedicellate flowers as well as its androecium characters.


Taxonomy

French botanist
René Capuron René ('' born again'' or ''reborn'' in French) is a common first name in French-speaking, Spanish-speaking, and German-speaking countries. It derives from the Latin name Renatus. René is the masculine form of the name (Renée being the feminin ...
(1921 – 1971) first collected and described the plant (and placed it in the ''Mauloutchia'' family) and it was published after his early death in 'Contribution à l'étude de la flore forestière de Madagascar' – A. Haematodendron, genre nouveau de Myristicaceae.
Adansonia ''Adansonia'' is a genus made up of eight species of medium-to-large deciduous trees known as baobabs ( or ). They are placed in the Malvaceae family, subfamily Bombacoideae. They are native to Madagascar, mainland Africa, and Australia.Tropic ...
, Série 2 Vol.12 on pages 375–379 in 1972. Later, another French botanist Hervé Sauquet, revised the plants found in Madagascar, and using phylogenetic analysis and he made a new genus. The genus of ''Doyleanthus'' is in honour of James A. Doyle (b. 1943), American botanist and
palaeontologist Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...
at the
University of California, Davis The University of California, Davis (UC Davis, UCD, or Davis) is a public land-grant research university near Davis, California. Named a Public Ivy, it is the northernmost of the ten campuses of the University of California system. The institut ...
. It was then published in Amer. J. Bot. Vol. 90 on page 1304 in 2003.


References

{{Taxonbar, from=Q16739301 Myristicaceae Myristicaceae genera Plants described in 1971 Endemic flora of Madagascar Monotypic magnoliid genera