Trisha Shetty (Editor)

Hakea dohertyi

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Kingdom
  
Plantae

Family
  
Proteaceae

Rank
  
Species

Order
  
Proteales

Genus
  
Hakea

Hakea dohertyi httpsuploadwikimediaorgwikipediacommonsthu

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Hakea dohertyi, commonly known as the Kowmung hakea, is a shrub which is endemic to a restricted locale in the Great Dividing Range in central New South Wales in Australia. First collected by one M. Doherty on 17 November 1984, it was described in 1999.

Growing to 3 metres (9.8 ft) high, it has long linear leaves which are 20 to 40 cm (7.9 to 15.7 in) long and only around 2 mm (0.079 in) wide. They are triangular in cross-section. The white flowers appear in spring. The flowers are followed by an oval woody follicle which is 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.

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 such trees as 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).

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. 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.

References

Hakea dohertyi Wikipedia