''Calothamnus lehmannii'', commonly known as dwarf claw flower, is a plant in the myrtle

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

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 spe ...

and is

endemic Endemism is the state of a species being found 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 found els ...

to the south-west of

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to ...

. It is a low-lying, sometimes ground-hugging shrub with long, thin, cylindrical leaves and clusters of red flowers that are smaller than any others in the genus ''Calothamnus''.

Description

''Calothamnus lehmannii'' grows to a height of about . Its leaves are long and circular in cross section. The flowers are arranged in small clusters and partly buried in the corky bark of the stems. They are red and have 4

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 The term ''sepalum'' was coined ...

s, 4

petal Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''corolla''. Petals are usuall ...

s and 4 claw-like bundles of

stamen 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 ...

s, all less than long. The upper two bundles contain only 4 or 5 stamens and the lower ones are reduced to a single stamen. Flowering occurs between August and October and is followed by fruits which are woody

capsule Capsule may refer to: Anatomy * Articular capsule (joint capsule), an envelope surrounding a synovial joint * Bowman's capsule (glomerular capsule), a sac surrounding a glomerulus in a mammalian kidney * Glisson's capsule, a fibrous layer covering ...

Taxonomy and naming

''Calothamnus lehmannii'' was first formally described by

Johannes Schauer Johannes is a Medieval Latin form of the personal name that usually appears as " John" in English language contexts. It is a variant of the Greek and Classical Latin variants (Ιωάννης, '' Ioannes''), itself derived from the Hebrew name '' ...

in 1843 in ''Dissertatio phytographica de Regelia, Beaufortia et Calothamno''. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''lehmannii'') honours the

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

botanist,

Johann Lehmann Johann Georg Christian Lehmann (25 February 1792 – 12 February 1860) was a German botanist. Born at Haselau, near Uetersen, Holstein, Lehmann studied medicine in Copenhagen and Göttingen, obtained a doctorate in medicine in 1813 and a doct ...

. (In 2014

Craven Craven may refer to: * Craven in the Domesday Book, an area of Yorkshire, England, larger area than the district ** Craven District, a local government district of North Yorkshire formed in 1974 Places * Craven, New South Wales, Australia, see ...

, Edwards and Cowley proposed that the species be renamed ''Melaleuca johannis-lehmannii''.)

Distribution and habitat

''Calothamnus lehmannii'' occurs in and between the Bowelling and

Stirling Range The Stirling Range or Koikyennuruff is a range of mountains and hills in the Great Southern region of Western Australia, south-east of Perth. It is over wide from west to east, stretching from the highway between Mount Barker and Cranb ...

districts 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 reli ...

Esperance Plains Esperance Plains, also known as Eyre Botanical District, is a biogeographic region in southern Western Australia on the south coast between the Avon Wheatbelt and Hampton bioregions, and bordered to the north by the Mallee region. It is ...

Jarrah Forest Jarrah forest is tall open forest in which the dominant overstory tree is '' Eucalyptus marginata'' (jarrah). The ecosystem occurs only in the Southwest Botanical Province of Western Australia Western Australia (commonly abbreviated as WA) is ...

and

Warren A warren is a network of wild rodent or lagomorph, typically rabbit burrows. Domestic warrens are artificial, enclosed establishment of animal husbandry dedicated to the raising of rabbits for meat and fur. The term evolved from the medieval Angl ...

biogeographic regions. It grows in sandy soils on plains and hillsides.

Conservation

''Calothamnus lehmannii'' is classified as "not threatened" by the Western Australian government department of parks and wildlife.

References

{{Taxonbar, from=Q15396568 lehmannii Myrtales of Australia Plants described in 1843 Endemic flora of Western Australia