Pemphis
Encyclopedia
Pemphis is a possibly unispecific genus of maritime plant
s in family Lythraceae
, represented by the type species
, described in 1775, Pemphis acidula (Other species listed here, upon further scrutiny, may or may not be ajudged classifiable under Pemphis, but for the purposes of this article, Pemphis species are referred to as plural).
Pemphis are highly adaptive. Depending on environmental factors, they are densely branched, or low and spreading bushes
or short tree
s, with main stems that can be furcated and lie nearly prone, or develop into one erect trunk. Leaves can be small, fleshy and succulent, or larger, flat and not fleshy. All surfaces are covered generally in silky, colorless trichomes. The fruit
s and bee
-pollinated
flower
s are produced throughout the year. Seed
s can float, and are sometimes propagated through water dispersal.
es behind the intertidal zone
, taking hold on rocks, gravel or sand, laterite
or limestone
, and frequently on promontories or crags.
(including the Seychelles
, and the Zanzibar Archipelago
), states
with Indian Ocean
coastlines, to the Pacific
(Philippines
, Cook Islands
), northwards up to Taiwan
and the Ryukyu Islands
Other places reporting Pemphis include mainland coastal Tanzania
, Thailand
, Malaysia (Johore), Singapore
, Indonesia
(Papua, Sumatra
, the Moluccas, Madura
and Java
), Christmas Island
, Papua New Guinea
, Hong Kong
and throughout tropical Australia
. On Java in particular, some areas are uncharacteristicly abundant.
, wood
from Pemphis species are highly prized for their extreme heaviness, toughness and resistance to warping
. It is fashioned into walking canes, fence posts, tool handles, and even anchor
s, and exhibits a fine finish
.
Pemphis acidula is a valuable tropical species for bonsai
, particularly in Asia.
Pemphis acidula J.R.Forst & G.Forst
Pemphis eximia King ex J.G.Watson
Pemphis hexandra Mart. ex Koehne
Pemphis madagascariensis Koehne
Pemphis punctata Drake
Pemphis stachydifolia Mart. ex Koehne
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...
s in family Lythraceae
Lythraceae
Lythraceae are a family of flowering plants. It includes about 620 species of mostly herbs, with some shrubs and trees, in 31 genera. Major genera include Cuphea , Lagerstroemia , Nesaea , Rotala , and Lythrum...
, represented by the type species
Type species
In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...
, described in 1775, Pemphis acidula (Other species listed here, upon further scrutiny, may or may not be ajudged classifiable under Pemphis, but for the purposes of this article, Pemphis species are referred to as plural).
Pemphis are highly adaptive. Depending on environmental factors, they are densely branched, or low and spreading bushes
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...
or short tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
s, with main stems that can be furcated and lie nearly prone, or develop into one erect trunk. Leaves can be small, fleshy and succulent, or larger, flat and not fleshy. All surfaces are covered generally in silky, colorless trichomes. The 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,...
s and bee
Bee
Bees are flying insects closely related to wasps and ants, and are known for their role in pollination and for producing honey and beeswax. Bees are a monophyletic lineage within the superfamily Apoidea, presently classified by the unranked taxon name Anthophila...
-pollinated
Pollination
Pollination is the process by which pollen is transferred in plants, thereby enabling fertilisation and sexual reproduction. Pollen grains transport the male gametes to where the female gamete are contained within the carpel; in gymnosperms the pollen is directly applied to the ovule itself...
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 are produced throughout the year. Seed
Seed
A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...
s can float, and are sometimes propagated through water dispersal.
Habitat
Most Pemphis live either at the verges of mangrove forests, well away from the forest-ocean interface; or they colonize beachBeach
A beach is a geological landform along the shoreline of an ocean, sea, lake or river. It usually consists of loose particles which are often composed of rock, such as sand, gravel, shingle, pebbles or cobblestones...
es behind the intertidal zone
Intertidal zone
The intertidal zone is the area that is above water at low tide and under water at high tide . This area can include many different types of habitats, with many types of animals like starfish, sea urchins, and some species of coral...
, taking hold on rocks, gravel or sand, laterite
Laterite
Laterites are soil types rich in iron and aluminium, formed in hot and wet tropical areas. Nearly all laterites are rusty-red because of iron oxides. They develop by intensive and long-lasting weathering of the underlying parent rock...
or limestone
Limestone
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....
, and frequently on promontories or crags.
Range and distribution
They are not common, but far ranging from coastal, eastern AfricaAfrica
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
(including the Seychelles
Seychelles
Seychelles , officially the Republic of Seychelles , is an island country spanning an archipelago of 115 islands in the Indian Ocean, some east of mainland Africa, northeast of the island of Madagascar....
, and the Zanzibar Archipelago
Zanzibar Archipelago
The Zanzibar Archipelago consists of several islands lying off the coast of East Africa in the Indian Ocean. There are two main islands, plus a host of smaller islets that surround them.-Main islands:...
), states
Country
A country is a region legally identified as a distinct entity in political geography. A country may be an independent sovereign state or one that is occupied by another state, as a non-sovereign or formerly sovereign political division, or a geographic region associated with a previously...
with Indian Ocean
Indian Ocean
The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...
coastlines, to the Pacific
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...
(Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...
, Cook Islands
Cook Islands
The Cook Islands is a self-governing parliamentary democracy in the South Pacific Ocean in free association with New Zealand...
), northwards up to Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...
and the Ryukyu Islands
Ryukyu Islands
The , also known as the , is a chain of islands in the western Pacific, on the eastern limit of the East China Sea and to the southwest of the island of Kyushu in Japan. From about 1829 until the mid 20th century, they were alternately called Luchu, Loochoo, or Lewchew, akin to the Mandarin...
Other places reporting Pemphis include mainland coastal Tanzania
Tanzania
The United Republic of Tanzania is a country in East Africa bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, and Zambia, Malawi, and Mozambique to the south. The country's eastern borders lie on the Indian Ocean.Tanzania is a state...
, Thailand
Thailand
Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...
, Malaysia (Johore), Singapore
Singapore
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...
, Indonesia
Indonesia
Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...
(Papua, Sumatra
Sumatra
Sumatra is an island in western Indonesia, westernmost of the Sunda Islands. It is the largest island entirely in Indonesia , and the sixth largest island in the world at 473,481 km2 with a population of 50,365,538...
, the Moluccas, Madura
Madura
Madura is an Indonesian island off the northeastern coast of Java. The island comprises an area of approximately 4,250 km². Madura is administered as part of the East Java province. It is separated from Java by the narrow Strait of Madura.-History:...
and Java
Java
Java is an island of Indonesia. With a population of 135 million , it is the world's most populous island, and one of the most densely populated regions in the world. It is home to 60% of Indonesia's population. The Indonesian capital city, Jakarta, is in west Java...
), Christmas Island
Christmas Island
The Territory of Christmas Island is a territory of Australia in the Indian Ocean. It is located northwest of the Western Australian city of Perth, south of the Indonesian capital, Jakarta, and ENE of the Cocos Islands....
, Papua New Guinea
Papua New Guinea
Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...
, Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...
and throughout tropical Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
. On Java in particular, some areas are uncharacteristicly abundant.
Uses
Despite the difficulty presented the prospective carverWood carving
Wood carving is a form of working wood by means of a cutting tool in one hand or a chisel by two hands or with one hand on a chisel and one hand on a mallet, resulting in a wooden figure or figurine, or in the sculptural ornamentation of a wooden object...
, wood
Wood
Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...
from Pemphis species are highly prized for their extreme heaviness, toughness and resistance to warping
Wood warping
Wood warping is a deviation from flatness as a result of stresses and shrinkage from the uneven drying of lumber.The types of wood warping include:* bow : a warp along the length of the face of the wood...
. It is fashioned into walking canes, fence posts, tool handles, and even anchor
Anchor
An anchor is a device, normally made of metal, that is used to connect a vessel to the bed of a body of water to prevent the vessel from drifting due to wind or current. The word derives from Latin ancora, which itself comes from the Greek ἄγκυρα .Anchors can either be temporary or permanent...
s, and exhibits a fine finish
Wood finishing
Wood finishing refers to the process of embellishing and/or protecting the surface of a wooden material. The process starts with surface preparation, either by sanding by hand , scraping, or planing. Imperfections or nail holes on the surface may be filled using wood putty or pores may be filled...
.
Pemphis acidula is a valuable tropical species for bonsai
Bonsai
is a Japanese art form using miniature trees grown in containers. Similar practices exist in other cultures, including the Chinese tradition of penjing from which the art originated, and the miniature living landscapes of Vietnamese hòn non bộ...
, particularly in Asia.
Species
This genus contains the following species:Pemphis acidula J.R.Forst & G.Forst
Pemphis eximia King ex J.G.Watson
Pemphis hexandra Mart. ex Koehne
Pemphis madagascariensis Koehne
Pemphis punctata Drake
Pemphis stachydifolia Mart. ex Koehne
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