''Isopogon adenanthoides'', commonly known as the spider coneflower, is a plant in the family

Proteaceae The Proteaceae form a family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genera with about 1,660 known species. Together with the Platanaceae and Nelumbonaceae, they make up the order Pro ...

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 the

southwest 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 sepa ...

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 shrub with sharply-pointed,

trifid Trifid is Latin for "split into three parts" or "threefold" and may refer to: * ''Trifid'' (journal), a Czech-language periodical *Trifid Nebula in the constellation Sagittarius *Trifid cipher, a fractionated cipher * Trifid (software), suite of m ...

leaves and spherical heads of pink flowers.

Description

''Isopogon adenanthoides'' is an erect shrub that typically grows to about high and wide with hairy grey to brownish branchlets. The leaves are trifid with sharply-pointed tips, long and wide on a petiole long. The flowers are arranged in

sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...

heads about in diameter on the ends of branchlets, each head with up to about twenty-five

glabrous Glabrousness (from the Latin ''glaber'' meaning "bald", "hairless", "shaved", "smooth") 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 ...

, pink flowers, the heads with hairy, egg-shaped involucral bracts at the base. Flowering occurs from July to October and the fruit is a hairy

nut Nut often refers to: * Nut (fruit), fruit composed of a hard shell and a seed, or a collective noun for dry and edible fruits or seeds * Nut (hardware), fastener used with a bolt Nut or Nuts may also refer to: Arts, entertainment, and media Com ...

up to about long, fused in a spherical head about in diameter.

Taxonomy

''Isopogon adenanthoides'' was first formally described in 1855 by Carl Meissner in ''

Hooker's Journal of Botany and Kew Garden Miscellany ''Hooker's Journal of Botany and Kew Garden Miscellany'' was a scientific journal In academic publishing, a scientific journal is a periodical publication intended to further the progress of science, usually by reporting new research. Cont ...

'' from specimens collected by James Drummond.

Distribution and habitat

Spider coneflower grows in shrubland and heath from near Eneabba and Badgingarra to near Moora in the south-west of Western Australia.

Conservation status

This isopogon is classified as "not threatened" by the Western Australian Government

Department of Parks and Wildlife The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the ''Conservation and Land Management Act 1984'' and implementing the state's conservation and e ...

References

{{Taxonbar, from=Q3155603 adenanthoides Eudicots of Western Australia Taxa named by Carl Meissner Plants described in 1855