Atractocarpus Decorus
   HOME

TheInfoList



OR:

''Atractocarpus decorus'' is a plant in the coffee family Rubiaceae which is endemic to New Guinea. Like many others in the genus, it has glossy dark green leaves and attractive white flowers.


Description

''Atractocarpus decorus'' is a large shrub or small tree growing up to high. It has large leaves arranged in opposite pairs on the twigs, measuring up to long by up to wide. They are glossy dark green above and lighter below with 9 to 13 prominent lateral veins each side of the midrib. The female inflorescence consists of a single flower whereas the male inflorescence has between 15 and 30 flowers. Flowers are white with 5 petals, about long and across; the orange fruit is a solitary
drupe In botany, a drupe (or stone fruit) is an indehiscent fruit in which an outer fleshy part (exocarp, or skin, and mesocarp, or flesh) surrounds a single shell (the ''pit'', ''stone'', or '' pyrena'') of hardened endocarp with a seed (''kernel'') ...
about long and diameter.


Taxonomy

The species was first described in 1925 as ''Randia decora'' by Theodoric Valeton, based on material collected across New Guinea by the German botanist Rudolf Schlechter and Swiss botanist between 1901 and 1912. In a major review of the genus ''
Atractocarpus ''Atractocarpus'' is a genus of flowering plants in the family Rubiaceae. Its members are commonly known as native gardenias in Australia. The genus name is derived from the Ancient Greek terms ''atractos'' "spindle", and ''karpos'' "fruit", fro ...
'' in 1999 by Christopher Puttock, this species was transferred to ''Atractocarpus''.


Etymology

The genus name ''Atractocarpus'' is derived from the Ancient Greek terms '' átraktos'', meaning "spindle", and '' karpós'' meaning "fruit", and refers to the spindle-shaped fruit of the type species. The species epithet ''decorus'' is a Latin word meaning "elegant" or "beautiful".


Distribution and habitat

This species is endemic to New Guinea, and grows in numerous locations on the island at altitudes from near sea level to at least .


Conservation

This species was assessed by the International Union for Conservation of Nature (IUCN) in 2018 and given the status of least concern. In its justification statement, the IUCN states "''It is a widespread common species with an extent of occurrence exceeding the boundaries for a threatened category under criterion B. No major threats to the species have been identified and population is currently stable''".


Gallery

File:Atractocarpus-decorus-SF23278-04.jpg, Foliage File:Atractocarpus-decorus-SF23278-07.jpg, Flower buds File:Atractocarpus-decorus-SF23279-02.jpg, Fruit File:Atractocarpus-decorus-SF23278-08.jpg, Flowers with calyx visible


References


External links

* *
View a map
of historical sightings of this species at the Australasian Virtual Herbarium
View observations
of this species on iNaturalist
View images
of this species on Flickriver {{Taxonbar , from=Q15399197 decorus Endemic flora of New Guinea Taxa named by Christopher Francis Puttock Plants described in 1999 Taxa named by Theodoric Valeton