''Grevillea glossadenia'' is a species of flowering plant in the family

Proteaceae The Proteaceae form a family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genera with about 1,660 known species. Together with the Platanaceae and Nelumbonaceae, they make up the order Pro ...

and is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

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_ ...

, in northeastern Australia. It is an erect shrub with more or less elliptic leaves and deep yellow-orange to orange-red flowers.

Description

''Grevillea glossdenia'' is a shrub that typically grows to a height of . Its leaves are more or less elliptic, long and wide with the edges curved downwards and slightly wavy. The lower surface of the leaves is silky-hairy. The flowers are arranged in small clusters in leaf axils or the ends of branches along a rachis up to long and are deep yellow-orange to orange-red, the

pistil Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ''pistils'' ...

long and the style orange to reddish. Flowering in most months but mainly from April to August and the fruit is an oval follicle long.

Taxonomy

''Grevillea glossadenia'' was first formally described in 1975 by Donald McGillivray in the journal '' Telopea'' from plant material collected by

Bernard Hyland Bernard Hyland (Bernard Patrick Matthew Hyland, born 1937), known as Bernie Hyland, is an Australian botanist. He has contributed significantly to the understanding of Australian plants, in particular numerous species of his home and workplace ...

from near Bakerville (near

Irvinebank Irvinebank is a rural town and locality in the Shire of Mareeba, Queensland, Australia. In the , the locality of Irvinebank had a population of 125 people. Geography The Great Dividing Range forms the south-eastern and southern boundary of the ...

) in 1972.

Distribution and habitat

This grevillea grows in woodland or open forest mainly between Walkamin, Irvinbank and

Herberton Herberton is a rural town and locality in the Tablelands Region, Queensland, Australia. In the , the locality of Herberton had a population of 855 people. Geography Herberton is on the Atherton Tableland in Far North Queensland. It is situa ...

Conservation status

''Grevillea glossadenia'' is currently listed as

Near Threatened A near-threatened species is a species which has been categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature as that may be vulnerable to endangerment in the near future, but it does not currently qualify fo ...

on the

IUCN Red List of Threatened Species The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biologi ...

. This is due to its limited known

extent of occurrence Extent may refer to: Computing * Extent (file systems), a contiguous region of computer storage medium reserved for a file * Extent File System, a discontinued file system implementation named after the contiguous region * Extent, a chunk of st ...

and current decline in habitat quality from mining operations and increased fire regimes. Despite these threats, the population is not severely fragmented and appears stable at present. This species is also listed as Vulnerable under the '' Environment Protection and Biodiversity Conservation Act 1999'' and the Queensland Government ''

Nature Conservation Act 1992 The ''Nature Conservation Act 1992'' is an act of the Parliament of Queensland, Australia, that, together with subordinate legislation, provides for the legislative protection of Queensland's threatened biota. As originally published, it prov ...

''.

Cultivation

''Grevillea glossadenia'' is cultivated as an

ornamental plant Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that i ...

. It is suitable for use in small gardens as a shrub or small tree, where it grows readily in a sunny position with good drainage. It is frost hardy and tolerates humidity. The

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...

— ''Grevillea'' 'Orange Marmalade' was produced by crossing this species with '' Grevillea venusta''.

References

{{Taxonbar, from=Q5607929 glossadenia Flora of Queensland Proteales of Australia Plants described in 1975 Vulnerable flora of Australia Garden plants of Australia Taxa named by Donald McGillivray