Pittosporum Ferrugineum
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''Pittosporum ferrugineum'', commonly known as the rusty pittosporum or rusty-leaved pittosporum, is an
evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...
plant in the family Pittosporaceae native to
Malesia Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms, and also a phytogeographical floristic region in the Paleotropical Kingdom. It has been given different definitions. The ...
,
Papuasia Papuasia is a Level 2 botanical region defined in the World Geographical Scheme for Recording Plant Distributions (WGSRPD). It lies in the southwestern Pacific Ocean, in the Melanesia ecoregion of Oceania and Tropical Asia. It comprises the f ...
, the
Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...
and
Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...
.


Description

''Pittosporum ferrugineum'' is a
shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...
or small tree growing to around high. The new growth (twigs, leaves and flowers) is densely covered in fine rusty-brown hairs − giving rise to the common name − but becoming less hairy as it matures. Leaves are dull green, elliptic to narrow-elliptic, long by wide, on a petiole long. The
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. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
s are clusters of flowers about wide, produced in the
leaf axils A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, ste ...
at any time of the year. The fragrant flowers have five
petal Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...
s, measure about long and wide, and are white, cream or yellow in colour. The dull yellow or orange fruit is a
dehiscent Dehiscence is the splitting of a mature plant structure along a built-in line of weakness to release its contents. This is common among fruits, anthers and sporangia. Sometimes this involves the complete detachment of a part; structures that op ...
2-valved capsule containing up to 16 small red seeds aggregated into a sticky ball.


Taxonomy

This species was first described − albeit very briefly − and named in 1811 by the English
botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...
William Townsend Aiton William Townsend Aiton FRHS FLS (2 February 1766 – 9 October 1849) was an English botanist. He was born at Kew on 2 February 1766, the eldest son of William Aiton. He brought out a second and enlarged edition of the ''Hortus Kewensis'' in 181 ...
in the book
Hortus Kewensis ''Hortus Kewensis, or a Catalogue of the Plants Cultivated in the Royal Botanic Garden at Kew'' by William Aiton was a 1789 catalogue of all the plant species then in cultivation at the Royal Botanic Gardens, Kew Royal Botanic Gardens, Kew is ...
.


Subspecies

There are two
subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...
of this taxon recognised by
Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...
(POWO) − ''P.f. laxiflorum'' , and the autonym ''P.f. ferrugineum''. An additional subspecies is recognised by World Flora Online''P.f. linifolium'' .


Etymology

The species epithet ''ferrugineum'' is from the Latin ''ferrugineus'', meaning "of the colour of rust", and was given to this species by Aiton in reference to the dense red-brown hairs on the plant.


Distribution and habitat

The rusty-leaved pittosporum is found in Malesia, Papuasia and northern Australia, with records from
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
,
Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and eas ...
,
Sulawesi Sulawesi (), also known as Celebes (), is an island in Indonesia. One of the four Greater Sunda Islands, and the world's eleventh-largest island, it is situated east of Borneo, west of the Maluku Islands, and south of Mindanao and the Sulu Ar ...
, the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
, the Caroline Islands,
Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...
,
Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...
,
Lesser Sunda Islands The Lesser Sunda Islands or nowadays known as Nusa Tenggara Islands ( id, Kepulauan Nusa Tenggara, formerly ) are an archipelago in Maritime Southeast Asia, north of Australia. Together with the Greater Sunda Islands to the west they make up t ...
, the
Maluku Islands The Maluku Islands (; Indonesian: ''Kepulauan Maluku'') or the Moluccas () are an archipelago in the east of Indonesia. Tectonically they are located on the Halmahera Plate within the Molucca Sea Collision Zone. Geographically they are located eas ...
,
New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...
, the Bismark Archipelago, the
Solomon Islands Solomon Islands is an island country consisting of six major islands and over 900 smaller islands in Oceania, to the east of Papua New Guinea and north-west of Vanuatu. It has a land area of , and a population of approx. 700,000. Its capita ...
, Christmas Island, the
Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...
and
Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...
. It has been introduced to
Mauritius Mauritius ( ; french: Maurice, link=no ; mfe, label=Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It incl ...
,
Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...
,
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...
and
Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...
. This species is known to inhabit drier
rainforest Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfores ...
types such as monsoon forest, beach forest and the margins of
mangrove forest Mangrove forests, also called mangrove swamps, mangrove thickets or mangals, are productive wetlands that occur in coastal intertidal zones. Mangrove forests grow mainly at tropical and subtropical latitudes because mangroves cannot withstand fr ...
.


Ecology

The fruit of this species is eaten by
metallic starling The metallic starling (''Aplonis metallica''), also known as the shining starling, is a bird in the starling family native to the Moluccas, New Guinea, Queensland and the Solomon Islands. Description The adult has brilliant red eyes, a long for ...
s (''Aplonis metallica''). Flowers attract a variety of birds and butterflies.


Conservation

This species is listed by the Queensland Department of Environment and Science as
least concern A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. T ...
. , it has not been assessed by the
IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
.


Gallery

File:Pittosporum ferrugineum 91547332.jpg, An opened fruit showing seeds File:Pittosporum ferrugineum 91547351.jpg, Shrub laden with fruit File:Pittosporum ferrugineum.jpg, Near
Yeppoon Yeppoon is a coastal town and locality in the Shire of Livingstone, Queensland, Australia. Yeppoon is renowned for its beaches, tropical climate, and the islands out on the bay. Located from the city of Rockhampton, Yeppoon is the seat of the ...
, central Queensland File:Pittosporum-ferrugineum-SF22238-02.jpg, Close up of fruit File:Pittosporum-ferrugineum-SF22217-05.jpg, Leaf, top side File:Pittosporum-ferrugineum-SF22217-06.jpg, Leaf, underside


References


External links

* *
View a map
of historical sightings of this species at the
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 ...

View observations
of this species on iNaturalist
View images
of this species on Flickriver {{Taxonbar , from=Q17140643 ferrugineum Endemic flora of Queensland Taxa named by William Townsend Aiton Plants described in 1811