Hue (Eucalyptus alba)

Hue (Eucalyptus alba) is plant species in Myrtaceae, trees 5-18 meter tall and canopies spread over 5-15 m, have smooth bark, egg-shaped leaves, seven flower buds in groups that are white and conical for hemispherical fruit. E. alba grows singly or branched, fine bark is easily scratched by showing a green color on the inside, starchy, red and become white or beige, often growing obliquely with straight or bent stems.

The leaves are arranged alternately and are lined up in long and small stems, egg-shaped to slightly rounded, 5-20 cm long, 5-12 cm wide, have a single main bone in the middle and minor bones are pinned to the side, green and both sides have the same character. Flower buds are arranged in groups of seven items on stems with a length of 4-14 mm. The buds are oval to round with an operculum 3-5 mm long and 4-7 mm wide. Cone-shaped fruit to the hemisphere, 4-7 mm long, 5-8 mm wide and brown when ripe.

This tree grows in the tropics in open forest on slopes or flat surfaces in rocky limestone or lime soil and is drought resistant by shedding leaves. Plants have a horticutural appeal as small ornamental trees, where nesting birds and flowers are used in the beekeeping industry for honey. Wood is often used for fences and firewood.

TAXON

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Myrtales
Family: Myrtaceae
Subfamily: Myrtoideae
Tribe: Eucalypteae
Genus: Eucalyptus L'Hér. in Sert. Angl.: 18 (1789)
Subgenus: Symphyomyrtus
Section: Exsertaria
Species: Eucalyptus alba Reinw. ex Blume in Bijdr. Fl. Ned. Ind.: 1101 (1827)
Variety: Eucalyptus alba var. alba, Eucalyptus alba var. australasica Blakely & Jacobs

PUBLICATIONS

Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Govaerts, R., Sobral, N., Ashton, P., Barrie, F., Holst, B.K., Landrum, L.L., Matsumoto, K., Fernanda Mazine, F., Nic Lughadha, E., Proença, C. & al. (2008). World Checklist of Myrtaceae: 1-455. Kew Publishing, Royal Botanic Gardens, Kew.

Pasha, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.

VERNACULAR NAME

English: Hue, White Gum, White Eucalyptus, Poplar gum, Khaki gum
Indonesian: Hue, Ampupu, Eukaliptus putih

Aryo Bandoro
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