Boronia elisabethiae

Boronia elisabethiae is a plant in the citrus family Rutaceae and is endemic to Tasmania. It is a semi-erect or weakly spreading, woody shrub with pinnate leaves and white to pink, four-petalled flowers.

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

Description

Boronia elisabethiae is a semi-erect or weakly spreading, woody shrub that grows to about 20 cm (8 in) high and 50 cm (20 in) wide. It has pinnate leaves with between three and nine leaflets, the entire leaf 5–11 mm (0.2–0.4 in) long and 5–18 mm (0.2–0.7 in) wide in outline on a petiole 1.5–3 mm (0.06–0.1 in) long. The end leaflet is narrow elliptic to linear, 2–8 mm (0.08–0.3 in) long and 0.5–1 mm (0.02–0.04 in) wide and the side leaflet are similar but longer. The flowers are white to pink and are arranged singly or in groups of up to three in upper leaf axils or on the ends of the branches. The flowers are borne on a stalk 1–4 mm (0.04–0.2 in) long. The four sepals are triangular, 1.5–3 mm (0.06–0.1 in) long and 1–1.5 mm (0.04–0.06 in) wide. The four petals are 3.5–6 mm (0.1–0.2 in) long and the eight stamens are slightly hairy. Flowering occurs from November to March and the fruit is a capsule about 3 mm (0.1 in) long and 1.5 mm (0.06 in) wide.[2][3]

Taxonomy and naming

Boronia elisabethiae was first formally described in 2003 by Marco F. Duretto who published the description in Muelleria from a specimen collected near Lake Pedder.[4][2] The specific epithet (elisabethiae) honours Elisabeth Murdoch, a patron of the Royal Botanic Gardens Victoria.[2]

Distribution and habitat

This boronia grows in heath and button grass moorland in western Tasmania.[2]

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References
  1. "Boronia elisabethiae". Australian Plant Census. Retrieved 7 March 2019.
  2. Duretto, Marco F. (2003). "Notes on Boronia (Rutaceae) in eastern and northern Australia" (PDF). Muelleria. 17: 88–89. Retrieved 6 February 2019.
  3. Duretto, Marco F.; Wilson, Paul G.; Ladiges, Pauline Y. "Boronia elisabethiae". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 7 March 2019.
  4. "Boronia elisabethiae". APNI. Retrieved 7 March 2019.
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