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Eucalyptus polybractea, el Mallee azul, o Mallee de fueyes azules, ye una especie d'ocalitu perteneciente a la familia de les mirtacees.
Ye un árbol esclerófilu abondo ramificáu que crez naturalmente nel oeste de Nueva Gales del Sur y de Victoria n'Australia. La corteza ye llisa, y fibrosa cerca de la base del tueru. Les fueyes tán dixebraes y son de lliniales a llanceolaes. Les fueyes xuveniles son glauques, y les adultes verde-grises. Dempués de les flores apaecen cápsules maderices de 3-6 mm de llargu.
Les fueyes de Y. polybractea usar pa llograr aceite d'ocalitu con bien altos niveles de cineol (hasta 91%), produciendo 0,7-5% del pesu total en frescu. L'aceite úsase primordialmente como ingrediente melecinal y como saborizante.
Eucalyptus polybractea describióse por F.Muell. ex R.T.Baker y espublizóse en Proceedings of the Linnean Society of New South Wales 25: 692–693, tab. xlvi, figs. 7–8. 1901.[1]
Eucalyptus: nome xenéricu que provién del griegu antiguu: eû = "bien, xustamente" y kalyptós = "cubiertu, qu'anubre". En Eucalyptus L'Hér., los pétalos, soldaos ente sigo y dacuando tamién colos sépalos los, formen parte del opérculu, perfectamente afechu al hipanto, que s'esprende a la del floriamientu.[2]
polybractea: epítetu llatín que significa "con munches bráctees".[3]
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Esta páxina forma parte del wikiproyeutu Botánica, un esfuerciu collaborativu col fin d'ameyorar y organizar tolos conteníos rellacionaos con esti tema. Visita la páxina d'alderique del proyeutu pa collaborar y facer entrugues o suxerencies. Eucalyptus polybractea, el Mallee azul, o Mallee de fueyes azules, ye una especie d'ocalitu perteneciente a la familia de les mirtacees.
Eucalyptus polybractea (lat. Eucalyptus polybractea) — mərsinkimilər fəsiləsinin evkalipt cinsinə aid bitki növü.
Eucalyptus polybractea (lat. Eucalyptus polybractea) — mərsinkimilər fəsiləsinin evkalipt cinsinə aid bitki növü.
Eucalyptus polybractea, commonly known as the blue-leaved mallee or simply blue mallee,[2] is a species of mallee that is endemic to south-eastern Australia. It has rough, fibrous or flaky bark on the lower part of the trunk, smooth greyish or brownish bark above, lance-shaped adult leaves, flower buds in groups of between seven and eleven, white flowers and cup-shaped or barrel-shaped fruit.
Eucalyptus polybractea is a mallee that typically grows to a height of 8–10 m (26–33 ft) and forms a lignotuber. It has rough, fibrous or flaky, greyish to brownish bark on the lower part of the trunk, smooth greyish to brownish bark above that is shed in ribbons. Young plants and coppice regrowth have bluish to glaucous, linear to lance-shaped leaves that are 40–150 mm (1.6–5.9 in) long and 3–16 mm (0.12–0.63 in) wide. Adult leaves are the same shade of bluish green on both sides, lance-shaped, 60–170 mm (2.4–6.7 in) long and 4–20 mm (0.16–0.79 in) wide, tapering to a petiole 4–15 mm (0.16–0.59 in) long. The flower buds are arranged in leaf axils in groups of seven, nine or eleven on an unbranched peduncle 4–12 mm (0.16–0.47 in) long, the individual buds on pedicels up to 4 mm (0.16 in) long. Mature buds are club-shaped to diamond-shaped, 4–6 mm (0.16–0.24 in) long and 3–4 mm (0.12–0.16 in) wide with a conical to rounded operculum. Flowering mainly occurs from March to August and the flowers are white. The fruit is a woody, cup-shaped or barrel-shaped capsule 4–7 mm (0.16–0.28 in) long and 3–5 mm (0.12–0.20 in) wide with the valves near rim level.[2][3][4][5]
Eucalyptus polybractea was first formally described in 1901 by Richard Thomas Baker in Proceedings of the Linnean Society of New South Wales from specimens collected near West Wyalong by Richard Hind Cambage.[6][7] The specific epithet (polybractea) is from the ancient Greek poly- and the Latin bractea, referring to the many bracts of this species, although many eucalytps have "many bracts" at the base of immature flowers.[2]
In 2018, Kevin James Rule described two subspecies, polybractea and suberea but the names have not been accepted by the Australian Plant Census.[8]
Blue-leaved mallee has a wide, but sporadic distribution around West Wyalong in New South Wales and between Stawell and Bendigo in Victoria. In grows in mallee shrubland on loamy soils.[2][4]
Eucalyptus polybractea leaves are used to produce eucalyptus oil with very high levels of cineole (up to 91%), yielding 0.7-5% fresh weight overall. The oil is primarily used medicinally and for flavoring.[9]
This eucalypt is the most commonly planted tree in Australia as part of carbon offset programs. Primarily, this is because the blue-leaved mallee is native to Australia, can grow effectively in drought conditions and can store a great deal of carbon quickly.[10]
{{cite book}}: |first1= has generic name (help) 
flower buds and flowers
leaves Eucalyptus polybractea, commonly known as the blue-leaved mallee or simply blue mallee, is a species of mallee that is endemic to south-eastern Australia. It has rough, fibrous or flaky bark on the lower part of the trunk, smooth greyish or brownish bark above, lance-shaped adult leaves, flower buds in groups of between seven and eleven, white flowers and cup-shaped or barrel-shaped fruit.
Eucalyptus polybractea, el mallee azul, o mallee de hojas azules, es una especie de eucalipto perteneciente a la familia de las mirtáceas.
Es un árbol esclerófilo bastante ramificado que crece naturalmente en el oeste de Nueva Gales del Sur y de Victoria en Australia. La corteza es lisa, y fibrosa cerca de la base del tronco. Las hojas están separadas y son de lineares a lanceoladas. Las hojas juveniles son glaucas, y las adultas verde-grises. Después de las flores aparecen cápsulas leñosas de 3-6 mm de largo.
Las hojas de E. polybractea se usan para obtener aceite de eucalipto con muy altos niveles de cineol (hasta 91%), produciendo 0,7-5% del peso total en fresco. El aceite se usa primordialmente como ingrediente medicinal y como saborizante.
Eucalyptus polybractea fue descrita por F.Muell. ex R.T.Baker y publicado en Proceedings of the Linnean Society of New South Wales 25: 692–693, tab. xlvi, figs. 7–8. 1901.[1]
Eucalyptus: nombre genérico que proviene del griego antiguo: eû = "bien, justamente" y kalyptós = "cubierto, que recubre". En Eucalyptus L'Hér., los pétalos, soldados entre sí y a veces también con los sépalos, forman parte del opérculo, perfectamente ajustado al hipanto, que se desprende a la hora de la floración.[2]
polybractea: epíteto latíno que significa "con muchas brácteas".[3]
Eucalyptus polybractea, el mallee azul, o mallee de hojas azules, es una especie de eucalipto perteneciente a la familia de las mirtáceas.
Eucalyptus polybractea, l'eucalyptus à fleurs multiples, est un arbre de la famille des Myrtaceae originaire d'Australie. Les feuilles sont vertes/grises. La floraison est suivie par l'apparition de capsules de 3 à 6 mm de long.
L'huile extraite de cette variété possède un effet rafraîchissant. C’est un fébrifuge. Cette variété est utilisée dans de nombreuses préparations pharmaceutiques (Eucalyptol) grâce à ses multiples vertus sur le système respiratoire.
Eucalyptus polybractea là một loài thực vật có hoa trong Họ Đào kim nương. Loài này được F.Muell. ex R.T.Baker mô tả khoa học đầu tiên năm 1901.[1]
Bài viết tông thực vật Eucalypteae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. Eucalyptus polybractea là một loài thực vật có hoa trong Họ Đào kim nương. Loài này được F.Muell. ex R.T.Baker mô tả khoa học đầu tiên năm 1901.
