Roystonea stellata
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Roystonea stellata is aspecies of palm from the genus Roystonea that only occurs in Cuba . It may have died out.
features
The trunks are gray-white and up to 15 m high. The exact shape of the leaves is not known, the middle leaf segments are 85 to 90 cm long and 4 to 4.8 cm wide. The inflorescence is around 95 cm long, its cover leaf up to 66 cm. The spathe is around 1.2 m long and has a pointed end. The side branches of the inflorescence are 23 to 27 cm long with a diameter of around 1.5 mm. The male flowers are white, their sepals are triangular and around 1 mm long. The petals are oval to oblong, the stamens as long as the crown. The stamens are awl-shaped and 4 mm long, the anthers are 2 mm long. The female flowers are also white. The sepals are kidney-shaped, 1 to 1.5 mm long. The petals are oval and 3.5 mm long.
The fruits are ellipsoidal, 9.8 to 10.5 mm long. The exocarp is black. The scar left by the scar is star-shaped. This characteristic of the species was reflected in the species epithet : stellata means star. The seed is compressed dorsiventrally and 6.2 to 6.8 mm long.
Spread and endangerment
Roystonea stellata is a local endemic to the Yagruma Terrace in the Maisí Region , Guantánamo Province , Cuba. Their locations were converted into coffee plantations in the second half of the 20th century, the species could not be found in a search in 1990. It is classified as "Critically Endangered" by the IUCN .
supporting documents
- Scott Zona: Roystonea (Arecaceae: Arecoideae) . Flora Neotropica, Vol. 71, 1996, pp. 1-35. (JSTOR)
Individual evidence
- ↑ Roystonea stellata in the endangered Red List species the IUCN 2009 Posted by: S. Zona, 1998. Retrieved on 22 August, 2009.