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Individual seeds. M. grandiflora can produce seed by 10 years of age, although peak seed production is achieved closer to 25 years of age. Around 50% of seeds can germinate, and they are spread by birds and mammals. [9] Squirrels, possums, quail, and turkey are known to eat the seeds. [20]
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 good seed crop occurs only about every 4–5 years. Reproduction is accomplished by both seed and vegetative sprouts. The fruit is eaten by wildlife, helping disperse the seeds. In the Appalachian Mountains, the Fraser Magnolia is a popular nest tree for the northern flying squirrel. [3] The tree grows best on rich, moist, well-drained soil.
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Magnolia macrophylla has three subspecies; some botanists treat these plants as three separate species: Magnolia macrophylla subsp. macrophylla. 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.
Seeds have a fleshy coat, aril, and color that ranges from red to orange (except Liriodendron). Magnoliaceae flowers are beetle pollinated, except for Liriodendron, which is bee pollinated. The carpels of Magnolia flowers are especially thick to avoid damage by