''Abrotanella rosulata'' is a plant in the family Asteraceae, endemic to the Campbell Islands.

Description

Hooker describes it as "a small, densely tufted, moss-like herb", with stems that are high. The leaves overlap, and are recurved, rigid, and leathery. They are 1/4-1/3 in long, narrow ovate or lanceolate, acute, concave above. The flower heads are aggregated amongst the upper leaves and 1/10 in long. There are 8-10 involucral scales which are linear oblong, and leathery with translucent veins. The male flower has a four-angled corolla, and the angles are translucent. The female flower has a tubular corolla, and is four-toothed. The achene is four-angled.

Taxonomy

It was first described in 1844 as ''Ceratella rosulata'' by Joseph Dalton Hooker who found it in the Campbell Islands, "in crevices of rocks at the tops of the mountains, at an elevation of 1400 feet", but in 1864 he amended the genus to ''

Abrotanella ''Abrotanella'' is a genus in the family Asteraceae, of 23 species, native to Australia, New Zealand and southern South America. They are usually small plants, sometimes not reaching more than a few millimeters above the ground, although some fo ...

''.

Conservation status

In 2009 and 2012, it was declared "At Risk - Naturally Uncommon" under the

New Zealand Threat Classification System The New Zealand Threat Classification System is used by the Department of Conservation to assess conservation priorities of species in New Zealand. The system was developed because the IUCN Red List, a similar conservation status system, had some ...

. In 2018 its status remained as "At Risk - Naturally Uncommon" due to its restricted range.

References

External links

* Flora of the Campbell Islands Plants described in 1844 Taxa named by Joseph Dalton Hooker rosulata {{NewZealand-plant-stub