''Pimelea drummondii'' is a species of flowering plant in the family

Thymelaeaceae The Thymelaeaceae are a cosmopolitan family of flowering plants composed of 50 genera (listed below) and 898 species.Zachary S. Rogers (2009 onwards)A World Checklist of Thymelaeaceae (version 1) Missouri Botanical Garden Website, St. Louis. It ...

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 elsew ...

to near-coastal areas of southern

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 th ...

. It is an erect, slender shrub with narrowly elliptic or elliptic leaves arranged in opposite pairs, and white or cream-coloured flowers surrounded by 3 or 4 pairs of pale green to yellowish involucral bracts.

Description

''Pimelea drummondii'' is an erect, slender shrub that typically grows to a height of and has glabrous stems. The leaves are arranged in opposite pairs, narrowly elliptic to elliptic, long and wide. The flowers are arranged in large, compact clusters usually with 3, 4 more pairs of pale green or yellow-green, sometimes partly reddish, egg-shaped involucral bracts long and wide. Each flower is

bisexual Bisexuality is a romantic or sexual attraction or behavior toward both males and females, or to more than one gender. It may also be defined to include romantic or sexual attraction to people regardless of their sex or gender identity, whi ...

, white or cream-coloured and glabrous inside, the flower tube 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 The term ''sepalum'' was coined b ...

s are long, the

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 filame ...

s slightly longer than the sepals. Flowering mainly occurs from June to August.

Taxonomy

This species was first formally described in 1852 by Nikolai Turczaninow who gave it the name ''Calyptrostegia drummondii'' in the ''Bulletin de la Société Impériale des Naturalistes de Moscou'' from specimens collected by James Drummond. In 1988,

Barbara Lynette Rye Barbara Lynette Rye is an Australian botanist born in 1952. Barbara Rye has been associated with the Western Australian Herbarium, where her work as a taxonomist has been the source of many new descriptions of plants. The number of taxa recorded ...

changed the name to ''Pimelea drummondii'' in the journal ''

Nuytsia ''Nuytsia floribunda'' is a hemiparasitic tree found in Western Australia. The species is known locally as moodjar and, more recently, the Christmas tree or Western Australian Christmas tree. The display of intensely bright flowers during the ...

''. 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 ...

(''drummondii'') honours the collector of the

type Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * Ty ...

specimens.

Distribution and habitat

''Pimelea drummondii'' grows in sandy soil on coastal sand dunes or in sandy soil over granite between

Mount Gardner Mount Gardner () is a mountain, high, standing west of Mount Tyree in the west-central part of the Sentinel Range, in the Ellsworth Mountains of Antarctica. It surmounts Patton Glacier to the northeast. The peak was discovered by the Mar ...

and

Israelite Bay Israelite Bay is a bay and locality on the south coast of Western Australia. Situated in the Shire of Esperance local government area, it lies east of Esperance and the Cape Arid National Park, within the Nuytsland Nature Reserve and the Grea ...

in near-coastal areas of the

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 a pl ...

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. It is most common in the biogeographic region named in ...

and Mallee bioregions of southern Western Australia.

Conservation status

This pimelea is listed as "not threatened" by the Government of Western Australia

Department of Biodiversity, Conservation and Attractions The Department of Biodiversity, Conservation and Attractions (DBCA) is the Western Australian government The Government of Western Australia, formally referred to as His Majesty's Government of Western Australia, is the Australian state de ...

References

{{Taxonbar, from=Q17581859 drummondii Malvales of Australia Flora of Western Australia Plants described in 1852 Taxa named by Nikolai Turczaninow