''Micromyrtus obovata'' is a species of the flowering plant in the family
Myrtaceae
Myrtaceae (), the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All ...
and is
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 the
south-west
The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A ''compass rose'' is primarily composed of four cardinal directions—north, east, south, and west—each ...
of Western Australia. It is an erect shrub with egg-shaped leaves with the narrower end toward the base, white flowers in diameter, and 10
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 in each flower.
Description
''Micromyrtus obovata'' is an erect shrub that typically grows to high and has its leaves densely arranged near the ends of branchlets. Its leaves are erect, egg-shaped to broadly egg-shaped with the narrower end towards the base, long and wide on a
petiole
Petiole may refer to:
*Petiole (botany), the stalk of a leaf, attaching the blade to the stem
*Petiole (insect anatomy)
In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and ...
long. The flowers are in diameter, and arranged in between 6 and 20 or more upper leaf axils on a
peduncle long. The
sepal
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106
Etymology
The term ''sepalum'' ...
s are egg-shaped or elliptic, long an wide. The petals are white, very broadly egg-shaped with the narrower end towards the base and long. There are 10 stamens in each flower, the
anthers
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 filamen ...
about long. Flowering occurs between July and September, and the fruit is long and wide, containing a single golden brown seed.
Taxonomy
This species was first described in 1852 by
Nikolai Turczaninow
Nikolai Stepanovich Turczaninow (; 1796 – ) was a Russian botanist and plant collector who first identified several genera and many species of plants.
Education and career
Born in 1796, Turczaninow attended high school in Kharkov. In 181 ...
who gave it the name ''Thryptomene obovata'' in the ''Bulletin de la Classe Physico-Mathématique de l'Académie Impériale des Sciences de Saint-Pétersbourg'' from material collected by
James Drummond.
In 1985,
John Green
John Michael Green (born August 24, 1977) is an American author and YouTuber. His books have more than 50 million copies in print worldwide, including ''The Fault in Our Stars'' (2012), which is one of the List of best-selling books#Bet ...
transferred the species to ''Micromyrtus'' as ''M. obovata'' .
The
specific epithet
In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...
(''obovata'') means "inverted egg-shaped", referring to the shape of the leaves.
Distribution and habitat
''Micromyrtus obovata'' grows on hills, slopes and flats between
Wubin,
Lake Grace
A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a depression (geology), basin or interconnected basins surrounded by dry land. Lakes lie completely on land an ...
and
Southern Cross
CRUX is a lightweight x86-64 Linux distribution targeted at experienced Linux users and delivered by a tar.gz-based package system with BSD-style initscripts. It is not based on any other Linux distribution. It also utilizes a ports system to ...
in the
Avon Wheatbelt
The Avon Wheatbelt is a bioregion in Western Australia. It has an area of . It is considered part of the larger Southwest Australia savanna ecoregion.
Geography
The Avon Wheatbelt bioregion is mostly a gently undulating landscape with low rel ...
,
Coolgardie,
Esperance Plains
Esperance Plains, also known as Eyre Botanical District, is a biogeography, biogeographic region in southern Western Australia on the South_coast_of_Western_Australia , south coast between the Avon Wheatbelt and Hampton bioregions, and bordere ...
, and
Mallee bioregions of south-western Western Australia.
References
{{Taxonbar, from=Q15373727
obovata
Endemic flora of Western Australia
Plants described in 1852
Myrtales of Australia
Rosids of Western Australia
Taxa named by Nikolai Turczaninow