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A variety of insects feed on the Myrtle Oak including oak skeletonizer, leaf miner, galls, oak lace bugs, borers, and caterpillars. [9] Burrowing beach mice threaten acorns even when protected by cages. [26] Hibiscus mealybugs are also known to host in the tree. [27] Like all oaks, Quercus myrtifolia is susceptible to oak wilt. [9]
Oak wilt is a devastating exotic disease, killing some trees rapidly in a single season. [7] Oak wilt is an important disease in urban areas where trees are highly valued. . The disease reduces property values because of the loss of trees and is economically costly to the property owner since they or the local government must pay for tree remo
Lithocarpus sp. - MHNT Lithocarpus sp. - MHNT Lithocarpus is a genus in the beech family, Fagaceae.Trees in this genus are commonly known as the stone oaks and differ from Quercus primarily because they produce insect-pollinated flowers on erect spikes and the female flowers have short styles with punctate stigmas.
Although live oaks retain their leaves nearly year-round, they are not true evergreens.Live oaks drop their leaves immediately before new leaves emerge in the spring. Occasionally, senescing leaves may turn yellow or contain brown spots in the winter, leading to the mistaken belief that the tree has oak wilt, whose symptoms typically occur in the sum
The chinquapin oak also has smaller acorns than the chestnut oak or another similar species, the swamp chestnut oak (Q. michauxii), which have some of the largest acorns of any oaks. [2] Key characteristics of Quercus muehlenbergii include: [7] Leaf base is typically rounded [2] Veins and sinuses are regular [2]
Quercus canariensis is a medium-sized deciduous to semi-evergreen tree growing to 20–30 metres (66–98 feet) tall with a trunk up to 1.5 m (5 ft) in diameter. The leaves are 10–15 centimetres (4–6 inches) long and 6–8 cm broad, with 6–12 pairs of shallow lobes.
Mature Oregon white oaks are fire-resistant, and so would not be severely harmed by grass fires of low intensity. Such fires prevented Douglas-fir and most other conifer seedlings from becoming established, allowing bunch grass prairie and oak woodland to persist. Fire also kept oak woodlands on drier soils free of a shrub understory.
Quercus coccifera, the kermes oak or holly oak, [3] is an oak shrub or tree in section Ilex of the genus. [4] It has many synonyms, including Quercus calliprinos. [2] It is native to the Mediterranean region and Northern African Maghreb, south to north from Morocco to France and west to east from Portugal to Cyprus and Turkey, crossing Spain, Italy, Libya, the Balkans, and Greece, including Crete.