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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.
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.
Bigleaf magnolia. Southeastern United States. Secure. Tree to 65 foot; leaves 20-35 inch long, fruit 1.5–4 inch long with more than 50 carpels. Magnolia macrophylla subsp. ashei (Wetherby) Spongberg. Ashe magnolia. Northwest Florida. Shrub or small tree to 40 foot; leaves 10–23 inch long, fruit 1.5–2.3 inch long with less than 50 carpels.
In 1993 The North American Native Plant Society purchased Shining Tree Woods to preserve a stand of Magnolia acuminata, which is also known as "The Shining Tree". The leaves are deciduous , simple and alternate, oval to oblong, 12–25 centimetres (4.7–9.8 in) long and 6–12 centimetres (2.4–4.7 in) wide, with smooth margins and downy on ...
Magnolia grandiflora is a medium to large evergreen tree which may grow 120 ft (37 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.
It is a deciduous tree growing to 20 m in height. 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.
There are many different species that affect different trees. For example, Hypoxylon atropunctatum, a common species, is found on oak trees, Hypoxylon tinctor affects sycamore trees, and Hypoxylon mammatum infests aspen trees. [1] [2] [3] Although the fungus is found on the majority of tree bark in an infested area, it only harms the tree when ...