Kowmung hakea | |
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Hakea dohertyi in the ANBG | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Order: | Proteales |
Family: | Proteaceae |
Genus: | Hakea |
Species: | H. dohertyi |
Binomial name | |
Hakea dohertyi Haegi [2] | |
Occurrence data from AVH |
Hakea dohertyi, commonly known as the Kowmung hakea, [3] is a shrub endemic to a restricted locale in the Great Dividing Range in central New South Wales in Australia.
Hakea dohertyi is an upright, linear shrub growing to 3–6 m (9.8–20 ft) high. The smaller branches are covered with densely matted, silky hairs at flowering time. The leaves are straight, flexible and triangular in cross-section, 20 to 40 cm (7.9 to 15.7 in) long and about 2 mm (0.079 in) wide. The leaves are smooth with three longitudinal veins at an angle to the leaf blade ending in a sharp point. The solitary inflorescence consists of 4-6 cream-white flowers in a raceme in leaf axils. The smooth pedicel is cream-white and the style 3.8–4 mm (0.15–0.16 in) long. The woody oval shaped fruit have a short stalk and grow at an angle to the stem. The fruit are 2.3 to 2.8 cm (0.91 to 1.10 in) long and 1.2 to 2 cm (0.47 to 0.79 in) wide ending with an obscure beak. [4] [5] [6]
Kowmung hakea was first formally described by Laurence Haegi in 1999 and published in Flora of Australia. Hakea dohertyi is named after ecologist Michael Doherty who discovered the species. [2]
Hakea dohertyi is found in a highly restricted area within Kanangra-Boyd National Park, most plants grow near the Kowmung River. The total area of its range is 18 km2 (6.9 sq mi). It grows on sandy or rocky soils over shale or quartzite, and is found on ridges in open sclerophyll forest with grey gum ( Eucalyptus punctata , silvertop ash ( E. sieberi ), Blaxland's stringybark ( E. blaxlandii ), forest she-oak ( Allocasuarina torulosa ), and shrubs such as crinkle bush ( Lomatia silaifolia ), ( Stypandra glauca ), and narrow-leaved geebung ( Persoonia linearis ). [7] Hakea dohertyi is killed by bushfire and regenerates from seed stored in a seed bank in its canopy. Most seed is released from the woody follicles after bushfires, but some follicles open and release seed at other times. [7] As the plant requires five years to mature and set seed, bushfires occurring more frequently than this could wipe out the species entirely. The species is currently classified as endangered. It is grazed upon and threatened by wild goats. The rising of the water level of Lake Burragorang could also threaten populations. [1] [4] [7] [8]
Hakea dohertyi is classified as "endangered" by the New South Wales Office of Environment and Heritage. [9]
Hakea is a genus of about 150 species of flowering plants in the family Proteaceae, endemic to Australia. They are shrubs or small trees with leaves that are sometimes flat, otherwise circular in cross section in which case they are sometimes divided. The flowers are usually arranged in groups in leaf axils and resemble those of other genera, especially Grevillea. Hakeas have woody fruit which distinguishes them from grevilleas which have non-woody fruit which release the seeds as they mature. Hakeas are found in every state of Australia with the highest species diversity being found in the south west of Western Australia.
Hakea bucculenta, commonly known as red pokers, is a large shrub in the family Proteaceae endemic to Western Australia. It is an ornamental shrub with red or orange flowers that appear in rod-like blooms in leaf axils for an extended period from May to November.
Hakea petiolaris, commonly known as the sea-urchin hakea, is a shrub or small tree with cream-coloured and pink or purple flowers and woody fruit. It is endemic to the south west of Australia, occurring at the coastal plain, jarrah forest and wheatbelt regions, often at the ancient granite outcrops of Western Australia.
Hakea bakeriana is a shrub in the family Proteaceae. It is endemic to the Central Coast of New South Wales, Australia. It is a dense shrub with sharply pointed, cylinder-shaped leaves and pink to crimson flowers in groups of between four and twelve. The fruit is a rough, wrinkled follicle which terminates in a short beak.
Hakea drupacea, commonly known as sweet-scented hakea, is a tree or shrub which is native to south west Western Australia.
Hakea teretifolia, commonly known as the dagger hakea, is a species of woody shrub of the family Proteaceae and is common on heathlands in coastal eastern Australia from northern New South Wales through to Victoria and Tasmania. A very prickly shrub, it is rarely cultivated but easy to grow.
Hakea decurrens, commonly known as bushy needlewood, is a species of shrub or small tree in the family Proteaceae.
Hakea trifurcata, commonly known as two-leaf, two-leaved hakea, or kerosene bush, is a shrub, endemic to the south-west of Western Australia. The species has two leaf forms, needle-like or oblong egg-shaped. Unlike most hakea species the fruit remain green at maturity and resemble the broader leaf form. The mimicry creates a camouflage, reducing predation of the seed by granivores in particular cockatoos.
Hakea cycloptera, commonly known as elm-seed hakea, is a shrub in the family Proteaceae endemic to South Australia. It is a small spreading shrub with an abundance of pale pink or white flowers from December to August.
Hakea cristata, commonly known as the snail hakea, is a shrub in the family Proteaceae native to Western Australia. An ornamental prickly shrub with attractive foliage and creamy white rounded flowers appearing in profusion in the winter months.
Hakea mitchellii, commonly known as desert hakea, is a shrub species in the family Proteaceae.
Hakea eriantha, commonly known as tree hakea, is a shrub or small tree endemic to the east coast of Australia. It has white flowers on a woolly stem in leaf axils, long narrow leaves with reddish new growth. Found growing at higher altitudes in moist or sclerophyll Eucalyptus woodland.
Hakea cucullata, commonly known as hood-leaved hakea, cup hakea or scallop hakea, is a species of shrub in the family Proteaceae and is endemic to the south-west of Western Australia. It is an attractive shrub with distinctive foliage and beautiful large pink, red, or deep purple scented flowers.
Hakea acuminata is a shrub of the family Proteaceae native to Western Australia. A restricted species bearing clusters of white flowers with a green or pinkish tinge in late autumn to winter.
Hakea anadenia is a shrub in the family Proteaceae, native to near the west coast of Western Australia. The fragrant creamy-white flowers appear in profusion from late winter to spring, but do not produce nectar.
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Hakea hastata is a shrub in the family Proteaceae and is endemic to southern Western Australia. It is an open, upright shrub with light green leaves, branches covered in dense hairs and white flowers in spring.
Hakea stenophylla is a shrub or tree in the family Proteaceae, with sweetly scented creamy-white flowers. It is endemic to Western Australia.
Hakea pedunculata is a shrub or small tree in the family Proteaceae comprising approximately 150 species restricted to Australia. This species is found in the Far North region of Queensland and adjacent islands. It has flat, broadly egg-shaped leaves and white, cream or greenish flowers.
Hakea fraseri, the corkwood oak, is a species of shrub or small tree in the family Proteaceae and is endemic to northern New South Wales. It has furrowed bark, pendulous foliage and creamy-white flowers in spring.