Boronia quinkanensis

Boronia quinkanensis is a species of plant in the citrus family Rutaceae and is endemic to a small part of Queensland, Australia. It is an erect shrub with most parts covered with star-like hairs and has pinnate leaves with up to eleven leaflets, and pink to white, four-petalled flowers.

Boronia quinkanensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Boronia
Species:
B. quinkanensis
Binomial name
Boronia quinkanensis
Duretto[1]
Occurrence data from Australasian Virtual Herbarium

Description

Boronia quinkanensis is an erect, shrub which grows to a height of 2.5 m (8 ft) with its branches, leaves and flowers parts densely covered with star-like hairs. The leaves are pinnate, 6–25 mm (0.2–1 in) long and 4–15 mm (0.2–0.6 in) wide in outline with up to eleven leaflets. The end leaflet is 6–15 mm (0.24–0.59 in) long and 3–7 mm (0.12–0.28 in) wide and the side leaflets are 5–11 mm (0.20–0.43 in) long and 3–5 mm (0.12–0.20 in) wide. The petiole is 1–5 mm (0.039–0.197 in) long. There are up to three, sometimes up to nine flowers on a peduncle 1–23 mm (0.039–0.91 in) long, the individual flowers on pedicels 1–10 mm (0.039–0.394 in) long. The four sepals are narrow triangular, 3–5 mm (0.12–0.20 in) long, 1–1.5 mm (0.039–0.059 in) wide, about the same length as, but narrower than the petals. The petals are pink to white, 4–5.5 mm (0.16–0.22 in) long, 2–3 mm (0.079–0.12 in) wide but enlarge as the fruit develops. The eight stamens alternate in length, size and shape. Flowering occurs from April to December.[2][3][4]

Taxonomy and naming

Boronia quinkanensis was first formally described in 1999 by Marco F. Duretto and the description was published in the journal Austrobaileya.[5] The specific epithet (quinkanensis) is a reference to Quinkan Country,[6] where this species often occurs.[2] The ending -ensis is a Latin suffix meaning "of" or "from".[7]

Distribution and habitat

This boronia grows in woodland and heath in sandstone country south of Laura and disjunctly on Mount Mulligan further south.[4]

Conservation status

Boronia quinkanensis is classed as "least concern" under the Queensland Government Nature Conservation Act 1992.[8]

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References
  1. "Boronia palasepala". Australian Plant Census. Retrieved 19 April 2019.
  2. Duretto, Marco F. (1999). "Boronia sect. Valvatae (Benth.) Engl. (Rutaceae) in Queensland, Australia". Austrobaileya. 5 (2): 291–292.
  3. Duretto, Marco F.; Wilson, Paul G.; Ladiges, Pauline Y. "Boronia quinkanensis". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 19 April 2019.
  4. Duretto, Marco F. (1999). "Systematics of Boronia section Valvatae sensu lato (Rutaceae)" (PDF). Muelleria. 12 (1): 72–73. Retrieved 19 April 2019.
  5. "Boronia quinkanensis". APNI. Retrieved 19 April 2019.
  6. "Quinkan Country". Australian Government Department of Environment and Energy. Retrieved 19 April 2019.
  7. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 38.
  8. "Boronia quinkanensis". The State of Queensland Department of Environment and Science. Retrieved 19 April 2019.
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