Archontophoenicinae
Encyclopedia
Archontophoenicinae is a botanical subtribe consisting of four genera of palms, namely Archontophoenix
from Queensland
and New South Wales
and Actinokentia
, Chambeyronia
and Kentiopsis
from New Caledonia
.
s and strictly pinnate
leaves with generally short and massive petioles. The inflorescences are branched to two or three orders, with the prophyll and penduncular bracts similar. The subtribe is homogenous compared to other subtribes of the Arecaea. All the genera have more than six stamens. The New Caledonian genera have distinctive leaf anatomy and may share a common ancestor (Uhl and Dransfield 1987:367).
Archontophoenix
Archontophoenix is a plant genus comprising six palm species that are native to New South Wales and Queensland in eastern Australia. They are tall, slender and unbranched.Species include:...
from Queensland
Queensland
Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...
and New South Wales
New South Wales
New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...
and Actinokentia
Actinokentia
Actinokentia is a genus of flowering plant in the Arecaceae family, comprising two species....
, Chambeyronia
Chambeyronia
Chambeyronia is a genus of flowering plant in the Arecaceae family.It contains the following species:* Chambeyronia lepidota* Chambeyronia macrocarpa...
and Kentiopsis
Kentiopsis
Kentiopsis is a genus of palm trees endemic to New Caledonia. It contains four species, including Kentiopsis oliviformis and Kentiopsis magnifica....
from New Caledonia
New Caledonia
New Caledonia is a special collectivity of France located in the southwest Pacific Ocean, east of Australia and about from Metropolitan France. The archipelago, part of the Melanesia subregion, includes the main island of Grande Terre, the Loyalty Islands, the Belep archipelago, the Isle of...
.
Description
The palms in this subtribe are medium-sized palms, with well-developed, distinct crownshaftCrownshaft
An elongated circumferential leaf base formation present on some species of palm is called a crownshaft.The leaf bases of some pinnate leaved palms form a sheath at the top of the trunk surrounding the bud where all the subsequent leaves are formed.The crownshaft...
s and strictly pinnate
Pinnate
Pinnate is a term used to describe feather-like or multi-divided features arising from both sides of a common axis in plant or animal structures, and comes from the Latin word pinna meaning "feather", "wing", or "fin". A similar term is pectinate, which refers to a comb-like arrangement of parts...
leaves with generally short and massive petioles. The inflorescences are branched to two or three orders, with the prophyll and penduncular bracts similar. The subtribe is homogenous compared to other subtribes of the Arecaea. All the genera have more than six stamens. The New Caledonian genera have distinctive leaf anatomy and may share a common ancestor (Uhl and Dransfield 1987:367).