Darwinia whicherensis

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Abba bell
DarwiniaWhicherensis PerthBG-20171218-1b.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Darwinia
Species:
D. whicherensis
Binomial name
Darwinia whicherensis

Darwinia whicherensis, commonly known as the Abba bell, is a plant in the myrtle family Myrtaceae and is endemic to the south-west of Western Australia. It is a small shrub with linear leaves and bell-shaped, flower-like inflorescences containing more than twenty flowers surrounded by bracts, the largest of which are red with green edges.

Contents

Description

Darwinia whicherensis is an erect or spreading shrub which grows to a height of 700 mm (30 in), a width of 400 mm (20 in) and often uses surrounding vegetation for support. Its leaves are green, linear in shape, triangular in cross-section, 2–4 mm (0.08–0.2 in) long, often crowded at the end of branches and can bend backwards. The flowers are arranged in groups of between 22 and 24, surrounded by several rows of bracts, the largest of which are 22–27 mm (0.9–1 in) long and about 3 mm (0.1 in) wide. The inflorescences are bell-shaped and hang down. The individual flowers have white petals and the style is red, curved and 10–16 mm (0.4–0.6 in) long. [2] [3]

Taxonomy and naming

Darwinia whicherensis was first formally described in 2009 by Greg Keighery from a specimen collected from the base of the Whicher Range escarpment and the description was published in Nuytsia. [1] The specific epithet (whicherensis) refers to the location where the type specimen was found. [2]

Distribution and habitat

Abba bell is only known from the type location at the base of the Whicher Range, covering a total area of 5 square kilometres (2 sq mi). [3] It grows on shallow sandy clay in winter-wet flats in Dryandra squarrosa shrubland. [2] [3] [4]

Conservation

Darwinia whicherensis is classified as "Threatened Flora (Declared Rare Flora — Extant)" by the Western Australian Government Department of Parks and Wildlife under Western Australia's Wildlife Conservation Act 1950 [4] and as "Endangered" (EN) under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) as a result of having a single wild population comprising a very low number of mature individuals and the restricted area of occupancy of the species. The principal threats to the species are fire and disease caused by Phytophthora cinnamomi and Armillaria luteobubalina . [3]

Related Research Articles

<i>Darwinia</i> (plant) Genus of flowering plants

Darwinia, sometimes commonly known as mountain bells or simply bells, is a genus of about 70 species of evergreen shrubs in the family Myrtaceae, endemic to southeastern and southwestern Australia. The majority are native to southern Western Australia, but a few species occur in South Australia, New South Wales and Victoria. The genus was named in honour of Erasmus Darwin, grandfather of Charles Darwin by Edward Rudge in 1816. Most darwinias grow to a height of between 0.2 and 3 m, and many are prostrate shrubs. Most have small, simple leaves and the flowers are often grouped together, each flower with five red, white or greenish petals and ten stamens. In many species, the flowers are surrounded by large, colourful bracts, giving rise to their common names.

<i>Kunzea salina</i>

Kunzea salina is a species of flowering plant in the myrtle family, Myrtaceae and is endemic to the south of Western Australia. It is a low, spreading, densely branched shrub with leaves mostly arranged in opposite pairs and usually two sessile pale pink to white flowers arranged at the base of new shoots. It only grows near the edge of certain salt lakes.

Banksia lepidorhiza is a species of prostrate shrub that is endemic to Western Australia. It has underground stems, linear pinnatipartite leaves with sharply pointed lobes, pink, cream-coloured and yellow flowers in head of about thirty and egg-shaped follicles. It is only known from near Woodanilling.

<i>Pimelea physodes</i>

Pimelea physodes, commonly known as Qualup bell, is a species of shrub that is endemic to Western Australia. It has egg-shaped to narrow elliptical leaves and distinctive bell-like inflorescences with tiny greenish flowers surrounded by long elliptical bracts. The inflorescence resembles those of some of the only distantly-related darwinia "bells" and the bracts are a combination of red, purple, green and cream-coloured.

<i>Darwinia leiostyla</i> Species of flowering plant

Darwinia leiostyla is an erect shrub in the family Myrtaceae and is endemic to the south-west of Western Australia. It typically grows to a height of 0.3–1.5 m and has linear leaves up to about 10 mm (0.39 in) long crowded along the branches. Pendent, bell-shaped, flower-like inflorescences appear from May to January. These are clusters of small flowers surrounded by larger pink, red or white, petal-like bracts.

<i>Darwinia collina</i> Species of flowering plant

Darwinia collina, commonly known as the yellow mountain bell, is a plant in the myrtle family Myrtaceae. It grows as an erect shrub 0.3–1.2 metres (1–4 ft) high with crowded elliptical leaves and bright yellow flower-like inflorescences. It is endemic to a few small areas in the Stirling Range National Park, Western Australia and as a result is classified as an endangered species.

<i>Darwinia oxylepis</i> Species of flowering plant

Darwinia oxylepis, commonly known as Gillham's bell, is a plant in the myrtle family Myrtaceae. It grows as a dense, upright shrub 1.0–1.5 m (3.3–4.9 ft) high, and produces large numbers of red inflorescences prominently displayed on the ends of the branchlets in spring. It is one of a group of Darwinias including D. leiostyla, D. macrostegia, D. meeboldii, D. collina and D. squarrosa collectively known as mountain bells. The species is found in only a few seasonally moist gullies near the lower slopes of the Stirling Range National Park and nearby Porongurup National Park and is therefore classified as endangered.

Verticordia pulchella is a flowering plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a much-branched shrub with short, narrow leaves and feathery red or red and yellow flowers with long styles in spring and early summer.

Grevillea fuscolutea is a shrub of the genus Grevillea native to a small area along the south coast in the Great Southern region of Western Australia.

<i>Darwinia apiculata</i> Species of flowering plant

Darwinia apiculata, commonly known as the scarp darwinia, is a plant in the myrtle family Myrtaceae and is endemic to a small area in Western Australia. It is a rounded, densely branched, small shrub with thin red branches and scattered small leaves. The flowers are arranged in small groups on the ends of the branches, their most obvious feature being long, red, pointed bracts surrounding each flower and a longer red style with scattered hairs near its tip.

<i>Darwinia carnea</i> Species of flowering plant

Darwinia carnea, commonly known as Mogumber bell or Narrogin bell is a plant in the myrtle family Myrtaceae and is endemic to the south-west of Western Australia. It is a small shrub with narrow, keeled leaves and flowers in groups of about eight, surrounded by yellowish-green to pinkish-red bracteoles. It occurs in small, isolated populations near the towns which contribute to its common names. It is the only "bell-flowered" Darwinia to not grow in the Stirling Range National Park.

<i>Darwinia chapmaniana</i> Species of flowering plant

Darwinia chapmaniana, commonly known as Chapman's bell or Eganu bell, is a plant in the myrtle family Myrtaceae, and is endemic to the south-west of Western Australia. It is a low, rounded, spreading shrub with greyish, hairy leaves and flowers in heads of about 14 small, tubular flowers. The heads are surrounded by long, reddish-yellow, hairy bracts.

<i>Darwinia wittwerorum</i> Species of flowering plant

Darwinia wittwerorum, commonly known as Wittwer's darwinia, is a plant in the myrtle family Myrtaceae and is endemic to a small area in Western Australia. An erect, spindly shrub with fine leaves and hanging groups of flowers surrounded by leaf-like bracts, it is one of the darwinias known as mountain bells.

Darwinia ferricola, commonly known as the Scott River darwinia, is a plant in the myrtle family Myrtaceae and is endemic to a small area in Western Australia. It is a rounded, densely branched shrub with crowded, linear leaves mostly only on younger branches. The flowers are greenish-yellow and red, and arranged in groups on the ends of the branches, with a long white or reddish style protruding from the petal tube.

<i>Darwinia foetida</i> Species of flowering plant

Darwinia foetida, commonly known as Muchea bell, is a plant in the myrtle family Myrtaceae, and is endemic to Western Australia. It is a small upright shrub with greenish coloured nodding flowers at the apex of the stems, that have an unpleasant odour. This is a very restricted species, known from only a couple of locations.

<i>Darwinia hortiorum</i> Species of flowering plant

Darwinia hortiorum is a plant in the myrtle family Myrtaceae and is endemic to Western Australia. It is a compact, densely branched shrub with small leaves and inflorescences composed of up to twenty flowers with glossy, pale yellow to reddish petals and fleshy dark green sepals surrounded by papery brown bracteoles.

<i>Darwinia masonii</i> Species of flowering plant

Darwinia masonii, commonly known as Mason's darwinia is a plant in the myrtle family Myrtaceae and is endemic to Western Australia.

Darwinia nubigena, commonly known as success bell or red mountain bell, is a plant in the myrtle family Myrtaceae and is endemic to Western Australia.

<i>Darwinia oederoides</i> Species of flowering plant

Darwinia oederoides is a plant in the myrtle family Myrtaceae and is endemic to Western Australia.

Darwinia terricola, commonly known as the Blackwood bell, is a plant in the myrtle family Myrtaceae and is endemic to a small area in the south-west of Western Australia. It is a small, low, sometimes prostrate shrub with small, linear leaves and small groups of flowers surrounded by reddish-green bracts and which usually lie on the ground.

References

  1. 1 2 "Darwinia whicherensis". APNI. Retrieved 24 October 2017.
  2. 1 2 3 Keighery, Greg J. (2009). "Six new and rare species of Darwinia (Myrtaceae) from Western Australia" (PDF). Nuytsia. 19 (1): 45–47. Retrieved 25 October 2017.
  3. 1 2 3 4 "Conservation advice Darwinia whicherensis Abba bell" (PDF). Australian Government Department of the Environment. Retrieved 25 October 2017.
  4. 1 2 "Darwinia whicherensis". FloraBase . Western Australian Government Department of Parks and Wildlife.