''Carmichaelia williamsii'' (common name William's broom or giant-flowered broom)
is a species of
plant
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclud ...
in the family
. It is found only in the North Island of
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
.
[ Its conservation status (2018) is "At Risk (relict)" 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 ...
.
Description
''Carmichaelia williamsii'' is the only yellow-flowered native broom, and it is distinguished from the introduced broom ('' Cytisus scoparius'' (L.) Link) by its light green, much wider, and more flattened branches, together with its larger, pale-yellow flowers which have purple or red veins, and its late-winter flowering (July to October, though flowering can occur throughout the year).[
]
Taxonomy
The species was first described by Thomas Kirk in 1880.[ The earliest record in AVH]
SP026354
was collected by Bishop William Williams in 1879 somewhere in the North Island, and for whom Kirk named it.[
]
Habitat
It is a coastal species found in open forest, scrub, cliff faces and on scree.[
]
References
External links
''Carmichaelia williamsii'' occurrence data
from Australasian Virtual Herbarium
The ''Australasian Virtual Herbarium'' (AVH) is an online resource that allows access to plant specimen data held by various Australian and New Zealand herbaria. It is part of the Atlas of Living Australia (ALA), and was formed by the amalgamat ...
*
williamsii
Flora of New Zealand
Taxa named by Thomas Kirk
Plants described in 1880
{{NewZealand-plant-stub