Magnolia sulawesiana

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Magnolia sulawesiana
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Magnoliaceae
Genus: Magnolia
Subgenus: Magnolia subg. Yulania
Section: Magnolia sect. Michelia
Subsection: Magnolia subsect. Elmerrillia
Species:
M. sulawesiana
Binomial name
Magnolia sulawesiana
Brambach, Noot. & Culmsee [2] [3]

Magnolia sulawesiana is a large evergreen tree of the family Magnoliaceae that grows in tropical montane forests on the Indonesian island of Sulawesi.

Contents

Description

This is a large, evergreen tree, up to 35 m tall and with a dbh of up to 100 cm. As with all other species of Magnolia, the twigs have stipules that enclose the twig tips and leave conspicuous circular scars after falling off. The leaves are spirally arranged, usually oblong, rather small for a Magnolia (usually 6-9 x 3–4.5 cm) and, like the other parts of the plant, almost completely glabrous. Only on the upper side of the petiole and on the lower side of the lamina, next to the midrib, there is a thin, but conspicuous line of brown hairs. The flowers are solitary on short stalks in the leaf-axils, have a diameter of c. 4 cm and white tepals. The fruits consist of 8-11 apocarpous carpels that release the seeds at maturity. [2]

The combination of the hairs, flower position and low number of carpels is unique for the species and can be used to distinguish M. sulawesiana from all other species of Magnolia in Sulawesi. [2]

Distribution and ecology

The species in only known from three sites, all located in the central mountain range of Sulawesi, including Lore Lindu National Park. There, it forms part of the canopy in moist tropical montane forests at elevations of 1,600–2,200 metres (5,200–7,200 ft). [1] [2] It is currently the only species of Magnolia considered endemic to Sulawesi. [2]

Uses

While other species of Magnolia, such as M. tsiampacca and M. vrieseana , are much sought after for their valuable timber, [4] [5] M. sulawesiana is currently not known to be exploited. This is possibly due to its occurrence at remote locations and high elevations. [2]

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<i>Magnolia yarumalense</i> Species of flowering plant

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<i>Magnolia vrieseana</i> Species of tree

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References

  1. 1 2 Rivers, M.C. (2016). "Magnolia sulawesiana". IUCN Red List of Threatened Species . 2016: e.T88981112A88981118. doi: 10.2305/IUCN.UK.2016-1.RLTS.T88981112A88981118.en . Retrieved 19 November 2021.
  2. 1 2 3 4 5 6 Brambach, F; Nooteboom, HP; Culmsee, H (2013). "Magnolia sulawesiana described, and a key to the species of Magnolia (Magnoliaceae) occurring in Sulawesi" (PDF). Blumea. 58 (3): 271–276. doi:10.3767/000651913X676817.
  3. "Magnolia sulawesiana in The International Plant Names Index (2012)". IPNI . Retrieved 7 August 2015.
  4. Koorders, SH (1898). Verslag eener botanische dienstreis door de Minahasa, tevens eerste overzicht der flora van N. O. Celebes uit een wetenschappelijk en praktisch oogpunt. Batavia [Jakarta] - 's Gravenhage [Den Haag]: G. Kolff & Co. pp. i–xxvi, 1–716.
  5. Nooteboom, HP (1988). "Magnoliaceae". Flora Malesiana (Series I). 10 (3): 598. Retrieved 7 August 2015.