02
Mar
2009
Magnolia grandiflora
Trees and shrubs | Magnoliopsida

Scientific name-Magnolia grandiflora. Genus name is given in memory of Director of the Botanical Garden in Montpellier, Pierre Magnolia. 'grandiflora' refers to the size of flowers.

Popular names - Bull Bay, magnollo, magnolia.

Distribution and Habitat - originally from the USA sudorientala area.

Description - tree 25 m high. Trunk erect, branched. Ritidom smooth, dark gray. Crown broad, thick, tapered. Leaves persistent, alternate, coriacee, lamina ovat-oblong, acute, entire and slightly wavy edge on the upper side and glossy green color, on the underside is brown-rust, pubescent, ribbed central rib obvious; nervatiuni pinnate secondary. Flowers hermaphrodite, scented, solitary, arranged in terminal parts of branches, petale flashy, light yellow - yellow-cream, 25 cm diameter. Blooms in May-September. Infrutescente oval-conical, hair follicles, 5-8 cm long. Tomato seeds, lenticular to narrow-ellipsoidal, 12-14 mm. 2n = 114.

Growth rate - slowly.

Tolerances - not tolerate limestone land, which causes yellowing of leaves. Tolerates air pollution.

Requirements - preferred position of semi-shade, well drained soils, can tolerate drought once stabilized. The wet common in youth. Withstand temperatures up to -17 ° C.

Management - to maintain the tapered crown is indicated to be made skims each spring, in March.

Propagation - seeds and seedlings. Seeds sown in autumn, germinate in the first or second spring. Semilignificati with heel cuttings in July.

Diseases and pests - Cladosporium, Glomerelto, Illinoia liriodendri, Septoria.

Cultivars and varieties - 'Bracken's Brown Beauty' - Small flowers, 12-17 cm diameter, 9 m high and 3-4,5 m in diameter.

'Edith Bogue' - withstand temperatures (-21) - (-23) ° C. Crown pyramid, vigorous, 9 m high and 4.5 diameter.

'Majestic Beauty' - tree form pyramid, 9-15 m high.

Properties and Uses - bark contains alkaloids with antimicrobial properties and active against malaria. The flowers contain cineol, are aromatic and used in treating rheumatism.

 

References

Bernardo Gut - Trees in Patagonia - Birkhäuser Base, 2008

Marie Harrison - Flowering Shrubs and Small Trees for the South - Pineapple Press, 2009

William Boericke - New Manual of Homoeopathic Materia MeDica & Repertory - B Jain Pub Pvt Ltd, 2007

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