''Acacia anarthros'' is a species of flowering plant in the family
and is
endemic 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 se ...
of Western Australia. It is a shrub with
bipinnate leaves with 1 leaflet, each with 2 or 3 pairs of
pinnules, spherical heads of 14 to 17 flowers, and narrowly oblong
pods up to about long.
Description
''Acacia anarthros'' is an erect or prostrate, spiny shrub that typically grows to a height of and has
flexuous branchlets. Its leaves are bipinnate and
sessile, with 1 pair of
pinnae long, each with 2 to 3
pinnules
A leaflet (occasionally called foliole) in botany is a leaf-like part of a compound leaf. Though it resembles an entire leaf, a leaflet is not borne on a main plant stem or branch, as a leaf is, but rather on a petiole or a branch of the leaf. Co ...
long and wide with their edges rolled under. There are spiny
stipules long at the base of the pinnae. The flowers are arranged in a single sperical head in axils on a
peduncle Peduncle may refer to:
*Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed
*Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
**Peduncle (art ...
long, each head with 14 to 16 golden-yellow flowers. Flowering occurs from June to September and the fruit is a narrowly oblong, crust-like and hairy pod about long and wide. The seeds are broadly elliptic to more or less round, long with a rough surface.
Taxonomy
''Acacia anarthros'' was first formally described in 1979 by the botanist
Bruce Maslin in the journal ''
Nuytsia'', distinguishing in from the similar ''
A. drewiana''.
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 ...
(''anarthros'') means 'not differentiated', referring to the downward extending of the leaf axils.
Distribution and habitat
This wattle has a limited range around
New Norcia
New is an adjective referring to something recently made, discovered, or created.
New or NEW may refer to:
Music
* New, singer of K-pop group The Boyz
Albums and EPs
* ''New'' (album), by Paul McCartney, 2013
* ''New'' (EP), by Regurgitator, ...
as a part of heathland or open ''
Eucalyptus wandoo
''Eucalyptus wandoo'', commonly known as wandoo, dooto, warrnt or wornt, is a small to medium-sized tree that is endemic to the southwest of Western Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of nine to sev ...
'' or ''
Corymbia calophylla'' woodland communities, and sometimes in heath.
[
]
Conservation status
''Acacia anartoros'' is listed as " Priority
three" by the Government of Western Australia
The Government of Western Australia, formally referred to as His Majesty's Government of Western Australia, is the Australian state democratic administrative authority of Western Australia. It is also commonly referred to as the WA Government o ...
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 ...
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q9562078
anarthros
Acacias of Western Australia
Plants described in 1979
Taxa named by Bruce Maslin