''Basedowia'' is a

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

of flowering plants in the aster family,

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

, containing the single species ''Basedowia tenerrima''.Threatened Species Scientific Committee
''Basedowia tenerrima'' (a daisy).
Advice to the Minister for the Environment, Heritage and the Arts from the Threatened Species Scientific Committee (the Committee) on Amendments to the list of Threatened Species under the Environment Protection and Biodiversity Conservation Act 1999. This plant 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 northern

South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...

, where it occurs in the

Everard Everard is a given name and surname which is the anglicised version of the old Germanic name Eberhard. Notable people with the name include: People First name *Everard Aloysius Lisle Phillipps (1835–1857), English East India officer awarded the V ...

and

Musgrave Ranges Musgrave Ranges is a mountain range in Central Australia, straddling the boundary of South Australia (Anangu Pitjantjatjara Yankunytjatjara) and the Northern Territory (MacDonnell Shire), extending into Western Australia. It is between the Great V ...

Anangu Pitjantjatjara Yankunytjatjara Aṉangu Pitjantjatjara Yankunytjatjara, also known as APY, APY Lands or ''the Lands'', is a large, sparsely-populated local government area (LGA) for Aboriginal people, located in the remote north west of South Australia. Some of the aṉangu ...

. It is known from six locations. It has a

disjunct distribution In biology, a taxon with a disjunct distribution is one that has two or more groups that are related but considerably separated from each other geographically. The causes are varied and might demonstrate either the expansion or contraction of a s ...

, occurring in patches of appropriate habitat that are spaced widely. This is an

ephemeral Ephemerality (from the Greek word , meaning 'lasting only one day') is the concept of things being transitory, existing only briefly. Academically, the term ephemeral constitutionally describes a diverse assortment of things and experiences, fr ...

annual herb with thin, green leaves sheathing thin stems and rounded, white

flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...

. It grows on rocky mountain slopes. It can become locally abundant when rain falls, with the seeds remaining in the soil for years between rainfall events.

References

Gnaphalieae Flora of South Australia Taxa named by Ferdinand von Mueller Taxa named by Ralph Tate {{Gnaphalieae-stub