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Honokiol is a lignan isolated from the bark, seed cones, and leaves of trees belonging to the genus Magnolia. It has been identified as one of the chemical compounds in some traditional eastern herbal medicines along with magnolol , 4-O-methylhonokiol , and obovatol .
Magnolia is a large genus of about 210 to 340 [a] flowering plant species in the subfamily Magnolioideae of the family Magnoliaceae.The natural range of Magnolia species is disjunct, with a main center in east, south and southeast Asia and a secondary center in eastern North America, Central America, the West Indies, and some species in South America.
When damage or stress occurs, the fungi will further colonize, infect, and begin living off the nutrients of the tree, flourishing in the bark and vascular system. [2] Natural stresses such as defoliation by insects, animal damage, soil nutrient depletions, drought, overcrowding, and other disease can weaken trees, enabling Hypoxylon to infect ...
A magnolia tree on the west side of Jackson City Hall in Jackson, Miss., seen Tuesday, Feb. 20, 2024, is just one of a number trees in metro Jackson lost to the drought conditions last summer.
Slime flux, also known as bacterial slime or bacterial wetwood, is a bacterial disease of certain trees, primarily elm, cottonwood, poplar, boxelder, ash, aspen, fruitless mulberry and oak. A wound to the bark, caused by pruning, insects, poor branch angles or natural cracks and splits, causes sap to ooze from the wound. Bacteria may infect ...
Magnolia grandiflora is a medium to large evergreen tree which may grow 60–80 ft (18–24 m) tall. [6] It typically has a single stem (or trunk) and a pyramidal shape. [ 7 ] The leaves are simple and broadly ovate, 12–20 cm ( 4 + 3 ⁄ 4 – 7 + 3 ⁄ 4 in) long and 6–12 cm ( 2 + 1 ⁄ 4 – 4 + 3 ⁄ 4 in) broad, [ 7 ] with smooth margins.
The bark is thick and brown, but does not fissure. The leaves are broad, ovate, 20–40 cm long, and 11–20 cm broad. The flowers are fragrant and 10–15 cm wide, with 9–12 (rarely to 17) white tepals, and appear from May to June. The two varieties are: Magnolia officinalis var. officinalis has leaves with an acute apex.
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