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Published In: Species Plantarum 1: 535. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 8/25/2017)
Acceptance : Accepted

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Magnolia L. (magnolia)

Plants small to medium-sized trees. Terminal buds to 3 cm long, prominent. Leaves short-petiolate. Leaf blades longer than wide, unlobed, lacking teeth or sometimes with a pair of small points or spreading teeth above the middle, the tip narrowed or tapered to a point. Fruits conelike aggregates of follicles, dehiscing at maturity to release the seeds, which remain attached for some time, hanging by thin threads of tissue. Seeds relatively large, with a brightly colored aril covering the surface. About 120 species, North America south to Venezuela, Asia, Malaysia, south to Indonesia.

Magnolias generally are considered to be pollinated by beetles (Heiser, 1962), although a number of other types of insects visit the flowers.

Several species of Magnolia are cultivated in Missouri in addition to those treated here, but thus far none has become established outside cultivation. In addition to the two species included below, M. macrophylla Michx. (bigleaf magnolia, umbrella tree) should be searched for in southeastern Missouri. It occurs natively at a disjunct station on Crowley’s Ridge in notheastern Clay County, Arkansas, less than ten miles from the Missouri border, where a small remnant population persists in the mesic upland forest of a drainage (Figlar, 1981). This species differs in its leaf blades with cordate bases and larger flowers (tepals 12–18 cm long).

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