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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
Trees can be girdled by climbing, twining, and ground-creeping (rampant) vines. There are several invasive species that harm trees in this way and cause significant damage to forest canopy and the health of ecosystems dependent on it. Oriental Bittersweet, Oriental Wisteria, and English Ivy all can damage and kill trees by girdling. [citation ...
It is a small to medium-sized tree growing to 7–25 m tall. The leaves are narrow obovate, 20–40 cm in length and 10–20 cm in width. Fruit produced as mentioned earlier, is otherwise aptly known as the Box Fruit, due to distinct square like diagonals jutting out from the cross section of the fruit, given its semi spherical shape form from stem altering to a subpyramidal shape at its base.
Extracts from Strophanthus gratus and the bark of Acokanthera species have long been used by Somali tribesmen to poison hunting arrows; if the concentration is high enough, an arrow poisoned with ouabain can kill an adult hippopotamus. [citation needed] Strychnos nux-vomica: strychnine tree Loganiaceae
Here are 10 weird things that can kill you almost instantly. ... Effects are fast acting and can include heart stoppage, seizures, and paralysis. Number 8.Cleaning the toilet. No doubt, it's an ...
Trees can explode when struck by lightning. [3] [15] [16] [17] The strong electric current is carried mostly by the water-conducting sapwood below the bark, heating it up and boiling the water. The pressure of the steam can make the trunk burst. [3] [17] This happens especially with trees whose trunks are already dying or rotting.
It's important to keep your guard up, everything from vending machines to mini-golf have caused unfortunate and deadly accidents. Beware of these unassuming dangers! More in strange: 9 unusual ...
The leaves are small and rigid with a sharp tip which can easily penetrate the skin. [10] They are narrowly triangular, broad at the base and sessile (without a stem). [ 6 ] [ 10 ] They measure up to 5 cm (2.0 in) long by 1 cm (0.4 in) wide with fine longitudinal venation, glossy green above and paler underneath.