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Jarrah (tree)

Jarrah
Jarrah tree burls 01 gnangarra.JPG
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species: E. marginata
Binomial name
Eucalyptus marginata
Donn ex Sm.
Subspecies

E. marginata subsp. marginata
E. marginata subsp. thalassica


E. marginata subsp. marginata
E. marginata subsp. thalassica

Eucalyptus marginata, commonly known as jarrah, is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia where it is one of most common species of Eucalyptus tree.

Jarrah is a tree which sometimes grows to a height of 40 m (100 ft) high with a trunk up to 3 m (10 ft) in diameter. Older specimens have a lignotuber and have roots that extend down as far as 40 m (100 ft). It is a stringybark with rough, greyish-brown, vertically grooved, fibrous bark which sheds in long flat strips. The leaves are arranged alternately along the branches, narrow lance-shaped, often curved, 8–13 cm (3–5 in) long and 1.5–3 cm (0.6–1 in) broad, shiny dark green above and paler below. There is a distinct midvein, spreading lateral veins and a marginal vein separated from the margin. The stalked flower buds are arranged in umbels of between 4 and 8, each bud with a narrow, conical cap 5–9 mm (0.2–0.4 in) long. The flowers 1–2 cm (0.4–0.8 in) in diameter, with many white stamens and bloom in spring and early summer. The fruit are spherical to barrel-shaped, and 9–20 mm (0.4–0.8 in) long and broad.

Eucalyptus marginata was first formally described in 1802 by James Edward Smith, whose description was published in Transactions of the Linnean Society of London. Smith noted that his specimens had grown from seeds brought from Port Jackson and noted a resemblance to both Eucalyptus robusta and E. pilularis. The specific epithet (marginata) is a Latin word meaning "furnished with a border". Smith did not provide an etymology for the epithet but did note that, compared to E. robusta "the margin [of the leaves] is more thickened".


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Wikipedia

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