Boronia forsteri

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Boronia forsteri
Boronia forsteri.jpg
Boronia forsteri in the Expedition National Park
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Boronia
Species:
B. forsteri
Binomial name
Boronia forsteri
Boronia forsteri DistMap47.png
Occurrence data from Australasian Virtual Herbarium

Boronia forsteri is a plant in the citrus family Rutaceae and is endemic to mountain ranges in central Queensland, Australia. It is an erect shrub with many branches, simple leaves with a densely hairy, pale underside, and pink, four-petalled flowers.

Family is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy; it is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as being the "walnut family".

Rutaceae family of plants

The Rutaceae are a family, commonly known as the rue or citrus family, of flowering plants, usually placed in the order Sapindales.

Endemism ecological state of being unique to a defined geographic location or habitat

Endemism is the ecological state of a species being unique to a defined geographic location, such as an island, nation, country or other defined zone, or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. The extreme opposite of endemism is cosmopolitan distribution. An alternative term for a species that is endemic is precinctive, which applies to species that are restricted to a defined geographical area.

Contents

Description

Boronia forsteri is an erect, many-branched shrub which grows to a height of about 1.0 m (3 ft) with its young branches densely covered with white to yellow hairs. The leaves are elliptic to egg-shaped, 6–25 mm (0.2–1 in) long and 0.5–5 mm (0.02–0.2 in) wide and lack a petiole. The lower surface of the leaf is a much paler colour than the upper surface and has a dense layer of hairs. Usually only one but sometimes up to three pink flowers are arranged on a hairy stalk up to 0.5 mm (0.020 in) long. The four sepals are egg-shaped to triangular, densely hairy, 2–2.5 mm (0.079–0.098 in) long and 1–1.5 mm (0.039–0.059 in) wide. The four petals are 4–6 mm (0.16–0.24 in) long, 2–3 mm (0.079–0.12 in) wide but enlarge as the fruit develop. The eight stamens are hairy. Flowering occurs in September and October and the fruit are 5–6 mm (0.20–0.24 in) long and about 3 mm (0.12 in) wide. [2]

Petiole (botany)

In botany, the petiole is the stalk that attaches the leaf blade to the stem. Outgrowths appearing on each side of the petiole in some species are called stipules. Leaves lacking a petiole are called sessile or epetiolate.

Sepal part of a calyx

A sepal is a part of the flower of angiosperms. Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom. The term sepalum was coined by Noël Martin Joseph de Necker in 1790, and derived from the Greek σκεπη (skepi), a covering.

Petal Part of most types of flower

Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. Together, all of the petals of a flower are called a corolla. Petals are usually accompanied by another set of special leaves called sepals, that collectively form the calyx and lie just beneath the corolla. The calyx and the corolla together make up the perianth. When the petals and sepals of a flower are difficult to distinguish, they are collectively called tepals. Examples of plants in which the term tepal is appropriate include genera such as Aloe and Tulipa. Conversely, genera such as Rosa and Phaseolus have well-distinguished sepals and petals. When the undifferentiated tepals resemble petals, they are referred to as "petaloid", as in petaloid monocots, orders of monocots with brightly coloured tepals. Since they include Liliales, an alternative name is lilioid monocots.

Taxonomy and naming

Boronia forsteri was first formally described in 1999 by Marco F. Duretto and the description was published in the journal Austrobaileya from a specimen collected near the property "Glenhaugton". [1] The specific epithet (forsteri) honours the Australian botanist Paul Irwin Forster. [2] [3]

Botanical name scientific name for a plant (or alga or fungus) (ICNafp)

A botanical name is a formal scientific name conforming to the International Code of Nomenclature for algae, fungi, and plants (ICN) and, if it concerns a plant cultigen, the additional cultivar or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants (ICNCP). The code of nomenclature covers "all organisms traditionally treated as algae, fungi, or plants, whether fossil or non-fossil, including blue-green algae (Cyanobacteria), chytrids, oomycetes, slime moulds and photosynthetic protists with their taxonomically related non-photosynthetic groups ."

Distribution and habitat

This boronia grows in woodland and forest in sandstone country in the Chesterton, Carnarvon and Expedition Ranges and in the Central Highlands of Queensland. [2]

Chesterton Range National Park Protected area in Queensland, Australia

Chesterton Range is a national park in South West Queensland, Australia, 585 km west of Brisbane. It is located north east of Morven in both the locality of Redford in the Maranoa Region and in Tyrconnel in the Shire of Murweh. It lies in the water catchment areas of three waterways. These are the Warrego River, Wallam Creek and the Maranoa River. The park protects part of Brigalow Belt South bioregion. To the north and to the west of the park is Orkadilla State Forest.

Carnarvon Range mountain range

The Carnarvon Range is a mountain range in Central Queensland, Australia. It is a plateau section of the Great Dividing Range. The Carnarvon Range is 160 km in length. It was first explored by Ludwig Leichhardt but named by Thomas Mitchell, probably after the 4th Earl of Carnarvon.

Expedition Range mountains in Australia

Expedition Range is a mountain range within the Central Highlands sandstone region of Queensland, Australia. Robinson Creek cuts a 100 metres deep gorge through sandstone clifflines. Many spectacular side gorges add to the appeal of the area, which is included in the Expedition National Park.

Conservation

Boronia forsteri is classed as "least concern" under the Queensland Government Nature Conservation Act 1992. [4]

The Nature Conservation Act 1992 is an act of the Parliament of Queensland, Australia, that provides for the legislative protection of Queensland's threatened biota.

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References

  1. 1 2 "Boronia forsteri". APNI. Retrieved 29 January 2019.
  2. 1 2 3 Duretto, Marco F. (1999). "Boronia sect. Valvatae (Benth.) Engl. (Rutaceae) in Queensland, Australia". Austrobaileya. 5 (2): 280–282.
  3. ↑ "Forster, Paul Irwin (1961 - )". Australian National Herbarium. Retrieved 1 February 2019.
  4. ↑ "Boronia forsteri". The State of Queensland Department of Environment and Science. Retrieved 1 February 2019.
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