''Cryptocarya rigida'' is a small tree or shrub growing in high rainfall areas in north eastern

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. It was described in 1864 by

Carl Meissner Carl Daniel Friedrich Meissner (1 November 1800 – 2 May 1874) was a Swiss botanist. Biography Born in Bern, Switzerland on 1 November 1800, he was christened Meisner but later changed the spelling of his name to Meissner. For most of his 40 ...

Prodromus Systematis Naturalis Regni Vegetabilis ''Prodromus Systematis Naturalis Regni Vegetabilis'' (1824–1873), also known by its standard botanical abbreviation ''Prodr. (DC.)'', is a 17-volume treatise on botany initiated by Augustin Pyramus de Candolle. De Candolle intended it as a summa ...

. Extinct in the

Illawarra The Illawarra is a coastal region in the Australian state of New South Wales, nestled between the mountains and the sea. It is situated immediately south of Sydney and north of the South Coast region. It encompasses the two cities of Wollongo ...

region (34° S), allegedly seen in the Illawarra in 1818 by Allan Cunningham. *

Habitat

Common around

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 ...

or eucalyptus

ecotone An ecotone is a transition area between two biological communities, where two communities meet and integrate. It may be narrow or wide, and it may be local (the zone between a field and forest) or regional (the transition between forest and gras ...

areas, generally on the poorer soils at the edge of rainforests. It is found from

Wyong Wyong () is a town in the Central Coast of New South Wales, located approximately 63 km SSW of Newcastle and 89 km NNE of Sydney. Established in 1888, it is one of the two administrative centres for the local government area. Hist ...

(33° S) in

to the border of the state of

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_ ...

at the

McPherson Range The McPherson Range is an extensive mountain range, a spur of the Great Dividing Range, heading in an easterly direction from near Wallangarra to the Pacific Ocean coastline. It forms part of the Scenic Rim on the border between the states of Ne ...

(28° S).

Description

''Cryptocarya rigida'', known as the rose maple or forest maple reaches a height of ten metres and a trunk diameter of around 20 cm. The bark is grey, with a thin corky layer. Leaves are simple and entire, often broadest at the base, 6 to 13 cm long tapering to a long point. The upper surface is green. The underside is pale, nearly white. The midrib is hairy, channeled above, raised below. Cream flowers appear from June to October, being unscented, downy in

panicles A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are o ...

1 to 2.5 cm long. The fruit is a

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'') ...

. Shiny, bluish/black when ripe, oval and often pointed. 11 to 15 mm wide and 21 to 24 mm long with a single seed. Like most Australian ''

Cryptocarya ''Cryptocarya'' is a genus of evergreen trees belonging to the laurel family, Lauraceae. The genus includes more than 350 species, distributed through the Neotropical, Afrotropical, Indomalayan, and Australasian realms. Overview The genus inc ...

'' fruit, removal of the fleshy

aril An aril (pronounced ), also called an arillus, is a specialized outgrowth from a seed that partly or completely covers the seed. An arillode or false aril is sometimes distinguished: whereas an aril grows from the attachment point of the see ...

is advised to assist seed germination, which is slow but reliable with ''Cryptocarya rigida''. Image:Cryptocarya rigida leaf underside.JPG, ''Cryptocarya rigida'' − underside of leaves

References

External links

* {{Taxonbar, from=Q5190855 Laurales of Australia Trees of Australia Flora of New South Wales Flora of Queensland rigida