Satakentia liukiuensis

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Satakentia (sah-tah-kehn-TEE-ah)
liukiuensis
(lee-ook-kee-oo-EHN-sis)
Sl2788169.jpg
Fairchild Tropical Botanic Garden, Florida. Photo by Dr. John Dransfield, Royal Botanic Gardens, Kew/Palmweb.
Scientific Classification
Genus: Satakentia (sah-tah-kehn-TEE-ah)
Species:
liukiuensis
(lee-ook-kee-oo-EHN-sis)
Synonyms
Old name; Gulubia liukiuensis
Native Continent
Asia
Asia.gif
Morphology
Habit: Solitary
Leaf type: Pinnate
Culture
Survivability index
Common names
Satake Palm

Habitat and Distribution

Satakentia liukiuensis There are two main wild populations, the main population on Ishigaki Jima,
Fairchild Tropical Botanic Garden, Florida. Photo by Dr. John Dransfield, Royal Botanic Gardens, Kew/Palmweb.
and a much smaller population on Iriomote Jima with a few individule trees scattered across Iriomote. Widely planted as a street tree in cities further north, notably Naha on Okinawa.

Description

A solitary, tall, salt-tolerant, moderately slow growing, monoecious, forest emergent, brown coloured crownshaft palm. Rare in cultivation, vulnerable in the wild. It has a smooth, grey-brown trunk, 20 m. (66 ft.) tall, 30.5 cm. (12 inch) diameter with spaced ring leaf scars, and large segmented, pinnate (feather) leaves, 3 m. (10 ft.) long, 0.9 m. (3 ft.) wide, dark green above and, light green beneath. Editing by edric.

Stems are tall and solitary, ringed with prominent leaf scars, and usually have a mass of adventitious roots at the base. Leaves pinnate, 10-14 in number, and dead leaves fall cleanly from the stem. leaf sheaths are closed and form a prominent, brown or reddish green crownshaft. Petioles are usually very short. Leaflets are numerous, regularly arranged, one-veined, lanceolate, and spread horizontally in the same plane. Inflorescences are branched to two orders, and are borne below the crownshaft. They are covered initially by deciduous bracts - a prophyll and two peduncular bracts. Flowering branches are densely hairy. Flowers are unisexual and are arranged in trees or a central female and two lateral male flowers. Fruits are small, ovoid or ellipsoid, black, and one-seeded. The endosperm is homogeneous, germination is adjacent, and the seedling leaf is bifid.

Culture

Satakentia liukiuensis can survive freezing temperatures to about -3.8°C (25°F), but freezing is best avoided. This species naturally occurs on islands in moist montane forest, and is heavily effected by the surrounding sea temperatures, which are constant and often form sea mist and cloud. In this type of natural environment temperature fluctuations are slight, and this palm prefers a constantly mild climate with little temperature difference between day & night, and Summer & Winter. Under extreme freezing conditions we recommend you keep this palm as dry as possible, and well wrapped up.

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Comments and Curiosities

Trunks have a mass of adventitious roots at the base, and trunks can grow to 20 m.tall, brownish/grey, and solitary, topped with a prominent, brown or reddish green crownshaft, which is very distinguishable. With large green pinnate leaves, 3 m. long. The inflorescence's are also distinctive, which are branched to two orders, and are borne below the crownshaft.

Satakentia contains only one species, which is endemic to Japan in the far south of the Ryukyu Islands in the islands of Ishigaki Jima and Iriomote Jima. This genus was named by Harold Moore for Toshihiko Satake, who had noticed it was something special. There is now a museum built to honor Toshihiko Satake within the main population of the palms on Ishigaki Jima. There are two main wild populations, the main population on Ishigaki Jima, and a much smaller population on Iriomote Jima with a few individual trees scattered across Iriomote. The Iriomote trees are inaccessible, as they grow in a cemetery, or the isolated trees are remote in the hills.


External Links

References

Phonetic spelling of Latin names by edric.

Special thanks to Geoff Stein, (Palmbob) for his hundreds of photos.

Special thanks to Palmweb.org, Dr. John Dransfield, Dr. Bill Baker & team, for their volumes of information and photos.

Glossary of Palm Terms; Based on the glossary in Dransfield, J., N.W. Uhl, C.B. Asmussen-Lange, W.J. Baker, M.M. Harley & C.E. Lewis. 2008. Genera Palmarum - Evolution and Classification of the Palms. Royal Botanic Gardens, Kew. All images copyright of the artists and photographers (see images for credits).
Many Special Thanks to Ed Vaile for his long hours of tireless editing and numerous contributions.

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