Roystoneas regia

National tree ： the Republic of Haiti

Roystoneas regia or the giant palm (scientific name: Roystoneas regia) is a tall evergreen tree in the family Arecaceae, genus Roystoneas, native to Central and South America, including Cuba, Venezuela, and Honduras, and Florida in North America. In Japan, it is found in Okinawa Prefecture and the Ogasawara Islands. It is the national tree of the Republic of Haiti.
Its name comes from the fact that it is the largest of the palm family. The tree is 20-25 m tall with a diameter of 0.7-1 m. The trunk is erect. The leaves are pinnate and pinnately lobed, 2 to 5 meters long, and are clustered at the apex.
The middle and lower portions of the trunk are covered with leaf scars left by leaf fall as a tubular pattern, and the upper portions are green, smooth, and partly enlarged. The flowers are yellow in fleshy inflorescences and bloom from October to December, attracting bees and other insects. Fruits are dispersed by birds and bats.

Common name: Roystoneas regia, Scientific name: Roystoneas regia, also known as Royal palm, botanical name: royal palm, Cuban royal palm, origin: Cuba, Venezuela, Honduras, etc. Trunk: single, Height: 20-25 m, Diameter: 0.7-1 m, Leaf: pinnate, leaf blade: 2-5 m, Leaf: glossy, Leaf color: dark green, Dioecious, Monoecious, Lobe: 0.75-1 m, Leaf width: 5 cm, Lobe shape: lanceolate, Inflorescence: paniculose, Bract length: 1.3 m, Perianth: 1.3 m, Perianth: 1.5 m, Perianth: 1.5 m, Perianth: 1.5 m, Perianth: 0.5 m, Perianth: 1.5 m Flower length: 1.3 m, petiole length: 1-2 m, flower color: yellow, flowering season: annual (October-December in Japan), fruit type: firm, fruit shape: ovate, fruit length: 2 cm, fruit color: reddish brown to purple ripe, uses: garden tree, roadside tree, houseplant, ornament, building material, roofing material, oil from the fruit.

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