Boronia yarrowmerensis

Boronia yarrowmerensis is a species of erect, woody shrub that is endemic to Queensland. It has pinnate or bipinnate leaves and groups of upt to seven flowers with white petals in leaf axils.

Boronia yarrowmerensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Boronia
Species:
B. yarrowmerensis
Binomial name
Boronia yarrowmerensis

Description

Boronia yarrowmerensis is an erect, woody shrub that typically grows to a height of about 0.5 m (1 ft 8 in). It has pinnate or bipinnate leaves 21–35 mm (0.83–1.38 in) long and 24–44 mm (0.94–1.73 in) wide with between three and seven leaflets on a petiole 5.5–13 mm (0.22–0.51 in) long. The end leaflet is linear, 5–17 mm (0.20–0.67 in) long and about 1 mm (0.039 in) wide and the side leaflets are similar but longer. The flowers are white and are arranged in groups of up to seven in leaf axils on a peduncle about 1 mm (0.039 in) long. The sepals are circular, about 1 mm (0.039 in) long and wide and the petals are 2–2.5 mm (0.079–0.098 in) long. The stamens and the style are hairy and the stigma is minute, scarcely wider than the style. Flowering has been observed in October and the fruit is a glabrous capsule about 3 mm (0.12 in) long and 1.5 mm (0.059 in) wide.[2][3]

Taxonomy and naming

Boronia yarrowmerensis was first formally described in 2003 by Marco F. Duretto from a specimen collected north of Yarrowmere Station homestead and the description was published in Muelleria.[2][4] The specific epithet (yarrowmerensis) refers to type location.[2]

Distribution and habitat

This boronia is only known from the type location in North Queensland where it grows in Eucalyptus forest or woodland on sandy soil .[2][3]

Conservation

Boronia yarrowmerensis is listed as "least concern" by the Queensland Government Department of Environment and Science.[5]

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References
  1. "Boronia yarrowmerensis". Australian Plant Census. Retrieved 14 March 2020.
  2. Duretto, Marco F. (2003). "Notes on Boronia (Rutaceae) in eastern and northern Australia" (PDF). Muelleria. 17: 32–33. Retrieved 15 March 2020.
  3. Duretto, Marco F.; Wilson, Paul G.; Ladiges, Pauline Y. "Boronia yarrowmerensis". Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 15 March 2020.
  4. "Boronia yarrowmerensis". APNI. Retrieved 15 March 2020.
  5. "Boronia yarrowmerensis". Queensland Government Department of Environment and Science. Retrieved 15 March 2020.
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