Boronia deanei

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Deane's boronia
Boronia deanei.jpg
Boronia deanei leaves and flowers
Scientific classification
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B. deanei
Binomial name
Boronia deanei
Boronia deanei DistMap29.png
Occurrence data from Australasian Virtual Herbarium

Boronia deanei, commonly known as Deane's boronia, [2] is a plant in the citrus family Rutaceae and is endemic to the central and southern highlands of New South Wales. It is an erect shrub with crowded, strongly aromatic leaves and white to bright pink flowers in late winter and spring.

Contents

Description

Boronia deanei is an erect, glabrous shrub which grows to a height of 0.2–1.5 m (0.7–5 ft) and has slightly angled branches with scattered small warts. The leaves are divided into narrow, paired leaflets which are thick, strongly aromatic, linear in shape, 4–12 mm (0.2–0.5 in) long and 0.5–2 mm (0.02–0.08 in) wide. They are smooth on the upper surface but glandular-warty on the lower side. [2] [3]

The flowers are arranged near the ends of the branches in groups of up to three, each flower on a stalk 1–3 mm (0.04–0.1 in) long. The petals are white to bright pink, 4–5 mm (0.16–0.20 in) long with their edges overlapping. There are eight stamens with glabrous filaments. Flowering occurs between August and November and the fruit is present in December. [2] [3]

Taxonomy and naming

Boronia deanei was first formally described in 1907 by Joseph Maiden and Ernst Betche from a specimen collected by Henry Deane in the Blue Mountains. The description was published in Proceedings of the Linnean Society of New South Wales . [1] [4] The specific epithet (deanei) honours the collector of the type specimen.

Two subspecies have been described:

Distribution and habitat

This boronia mainly occurs in the higher Blue Mountains north of Clarence, in the Kanangra-Boyd National Park and south to the South East Forests National Park. It grows near high altitude swamps, in wet heath and in open forest, often in poorly-drained soil. [3]

Conservation

Boronia deanei is listed as "Vulnerable" under the Commonwealth Government Environment Protection and Biodiversity Conservation Act 1999 (EPBC) Act and under the New South Wales Threatened Species Conservation Act 1995. The main threats to its survival are habitat disturbance due to feral pigs ( Sus scrofa ) and clearing for rural residential developments. [3]

Use in horticulture

Deane's boronia is a reliable and adaptable garden plant which can be grown in poorly-drained soils and is relatively frost-hardy. Its pleasantly scented leaves and pink flowers are attractive features. Specimens have been grown in pots and in the Australian National Botanic Gardens have grown to a height of 2 m (7 ft), needing only tip pruning, occasional fertilising and adequate summer watering. [9]

Related Research Articles

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<i>Boronia ledifolia</i> species of plant

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<i>Zieria arborescens</i> species of plant

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<i>Boronia mollis</i> species of plant

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<i>Boronia anemonifolia</i> species of plant

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<i>Melaleuca deanei</i> species of plant

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<i>Boronia boliviensis</i> species of plant

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<i>Boronia microphylla</i> species of plant

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Zieria minutiflora species of plant

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<i>Zieria fraseri</i> species of plant

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<i>Zieria odorifera</i> species of plant

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<i>Boronia nana</i> species of plant

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<i>Boronia floribunda</i> species of plant

Boronia floribunda, commonly known as pale pink boronia, is a plant in the citrus family, Rutaceae and is endemic to the Sydney region in New South Wales. It is an erect, woody shrub with compound leaves and large numbers of white to pale pink, four-petalled flowers in spring and early summer.

<i>Boronia glabra</i> species of plant

Boronia glabra, commonly known as sandstone boronia, is a plant in the citrus family Rutaceae and is endemic to eastern Australia. It is an erect or weak shrub with many branches, mostly glabrous leaves with a slightly paler underside, and bright pink, four-petalled flowers arranged singly in leaf axils.

<i>Boronia granitica</i> species of plant

Boronia granitica, commonly known as granite boronia, is a plant in the citrus family, Rutaceae and is endemic to a small area of eastern Australia. It is an erect shrub with many branches, compound leaves and pink, four-petalled flowers.

<i>Boronia inflexa</i> species of plant

Boronia inflexa is a plant in the citrus family Rutaceae and is endemic to tablelands near the New South Wales - Queensland border in Australia. It is an erect, woody shrub with pinnate leaves and up to seven white to pink four-petalled flowers in the leaf axils. Boronia bipinnata is similar but has larger, bipinnate or tripinnate leaves and smaller sepals and petals.

References

  1. 1 2 "Boronia deanei". APNI. Retrieved 7 November 2016.
  2. 1 2 3 "Boronia deanei". Royal Botanic Garden Sydney: plantnet. Retrieved 7 November 2016.
  3. 1 2 3 4 "Approved Conservation Advice for Boronia deanei (Deane's Boronia)" (PDF). Australian Government Department of the Environment. Retrieved 7 November 2016.
  4. Maiden, Joseph; Betche, Ernest (1907). "Notes from the Botanic Gardens, Sydney". Proceedings of the Linnean Society of New South Wales. 31 (4): 731. Retrieved 7 November 2016.
  5. "Boronia deanei subsp. deanei". APNI. Retrieved 7 November 2016.
  6. "Boronia deanei aubsp. deanei". Royal Botanic Garden Sydney: plantnet. Retrieved 7 November 2016.
  7. "Boronia deanei subsp. acutifolia". APNI. Retrieved 7 November 2016.
  8. "Boronia deanei subsp. acutifolia". Royal Botanic Garden Sydney: plantnet. Retrieved 7 November 2016.
  9. Ollerenshaw, Peter J. "Boronia deanei". Australian National Botanic Gardens. Retrieved 7 November 2016.