Achyranthes margaretarum
Encyclopedia
Achyranthes margaretarum is a species of plant
belonging to the family Amaranthaceae
. It is endemic to Phillip Island
, close to Norfolk Island
in the south west Pacific Ocean
, and is considered critically endangered due to its very small population size.
This plant is similar to Achyranthes arborescens, an endemic from neighbouring Norfolk Island, but is a smaller, more compact shrub
growing up to 2m tall with a 2m spread. A. margaretarum also differs in having small, rather fleshy, bronze-green leaves
with yellow veins; small, erect inflorescence
s carrying just a few maroon-coloured flower
s; and small top
-shaped (rather than cylindrical) fruit
.
Plant
Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...
belonging to the family Amaranthaceae
Amaranthaceae
The flowering plant family Amaranthaceae, the Amaranth family, contains about 176 genera and 2,400 species.- Description :Most of these species are herbs or subshrubs; very few are trees or climbers. Some species are succulent....
. It is endemic to Phillip Island
Phillip Island (Norfolk Island)
Phillip Island is an uninhabited island located south of Norfolk Island in the Southwest Pacific, and part of the Norfolk Island group. It was named in 1788 by Lieutenant Philip Gidley King for Arthur Phillip, the first Governor of New South Wales. It is part of the Australian territory of Norfolk...
, close to Norfolk Island
Norfolk Island
Norfolk Island is a small island in the Pacific Ocean located between Australia, New Zealand and New Caledonia. The island is part of the Commonwealth of Australia, but it enjoys a large degree of self-governance...
in the south west Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...
, and is considered critically endangered due to its very small population size.
This plant is similar to Achyranthes arborescens, an endemic from neighbouring Norfolk Island, but is a smaller, more compact shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...
growing up to 2m tall with a 2m spread. A. margaretarum also differs in having small, rather fleshy, bronze-green leaves
Leaves
-History:Vocalist Arnar Gudjonsson was formerly the guitarist with Mower, and he was joined by Hallur Hallsson , Arnar Ólafsson , Bjarni Grímsson , and Andri Ásgrímsson . Late in 2001 they played with Emiliana Torrini and drew early praise from the New York Times...
with yellow veins; small, erect inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...
s carrying just a few maroon-coloured flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...
s; and small top
Top
A top is a toy that can be spun on an axis, balancing on a point. This motion is produced in the most simple forms of top by twirling the stem using the fingers. More sophisticated tops are spun by by holding the axis firmly while pulling a string or twisting a stick or pushing an auger as shown...
-shaped (rather than cylindrical) fruit
Fruit
In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...
.