''Baileyoxylon'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

genus in the family

Achariaceae Achariaceae is a family of flowering plants consisting of 31 genera and about 155 species of tropical herbs, shrubs, and trees. The APG IV system has greatly expanded the scope of the family by including many genera previously classified in Flac ...

. The sole described species is ''Baileyoxylon lanceolatum'' which is restricted to a very small part of the

Wet Tropics of Queensland The Wet Tropics of Queensland World Heritage Site consists of approximately 8,940 km2 of Australian wet tropical forests growing along the north-east Queensland portion of the Great Dividing Range. The Wet Tropics of Queensland meets all f ...

. It was described in the mid 20th century.

Description

''Baileyoxylon lanceolatum'' is an evergreen tree growing up to about tall with medium grey bark and branchlets that are covered in rusty brown hairs. The dark green leaves are rather thick and measure up to long by wide, with 7–10 pairs of secondary veins either side of the midrib. They are

obovate The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets) ...

oblong An oblong is an object longer than it is wide, especially a non-square rectangle. Oblong may also refer to: Places * Oblong, Illinois, a village in the United States * Oblong Township, Crawford County, Illinois, United States * A strip of land ...

in shape,

acuminate The following terms are used to describe leaf plant morphology, morphology in the description and taxonomy (biology), taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade ...

(pointed) at the tip and cuneate (tapering) at the base, and they have a relatively long petiole. The much-branched inflorescence can reach up to long and is also covered with rusty brown hairs. The small flowers are about long and have 5 petals. The

globose This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary ...

orange fruit is, in botanical terminology, a

berry A berry is a small, pulpy, and often edible fruit. Typically, berries are juicy, rounded, brightly colored, sweet, sour or tart, and do not have a stone or pit although many pips or seeds may be present. Common examples of berries in the cul ...

containing one or two seeds. It measures around diameter.

Taxonomy

This species was first described in 1940 by the Australian botanist Cyril Tenison White, based on material collected by the botanical collector S. F. Kajewski from two individual trees in 1929. White's paper, titled "A new genus of Flacourtiaceae (Pangieae — Hydnocarpinae) from tropical Queensland", was published in the ''Journal of the Arnold Arboretum'' in January 1941.

Etymology

The

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

name ''Baileyoxlon'' was created by White in honour of the American botanist Irving Widmer Bailey, who provided much assistance to White in identifying the taxonomic placement of this new species.

Distribution and habitat

The natural range of ''Baileyoxylon lanceolatum'' is a small area of upland

rainforest Rainforests are forests characterized by a closed and continuous tree Canopy (biology), canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforests can be generally classified as tropi ...

on the eastern part of the

Atherton Tableland The Atherton Tableland is a fertile plateau, which is part of the Great Dividing Range in Queensland, Australia. It has very deep, rich basaltic soils and the main industry is agriculture. The principal river flowing across the plateau is the B ...

, in the vicinity of

Mount Bartle Frere Mount Bartle Frere (pronunciation �mæɔnt̥ ˈbɐːɾəɫ ˈfɹɪə Ngajanji: Choorechillum) is the highest mountain in Queensland at an elevation of . The mountain was named after Sir Henry Bartle Frere, 1st Baronet, Sir Henry Bartle Frere ...

. The total area of occupancy is just . The habitat is very wet mesophyll vine forest.

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 evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...

. , it has not been assessed by the

International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the stat ...

(IUCN).

Gallery

Baileyoxylon-lanceolatum-ALA-1.jpg, Herbarium sheet Baileyoxylon-lanceolatum-ALA-2.jpg, Herbarium sheet

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 amalgama ...

View observations
of this species on

iNaturalist iNaturalist is an American 501(c)(3) nonprofit social network of naturalists, citizen scientists, and biologists built on the concept of mapping and sharing observations of biodiversity across the globe. iNaturalist may be accessed via its web ...

View images
of this species on Flickriver
Information
about the collector S. F. Kajewski {{Taxonbar, from=Q964051, from2=Q17564799 Achariaceae genera Monotypic Malpighiales genera Endemic flora of Queensland Plants described in 1941 Taxa named by Cyril Tenison White Wet Tropics of Queensland