Syagrus romanzoffiana

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Syagrus romanzoffiana
Old specimens of Syagrus romanzoffiana as relics on the used area

Old specimens of Syagrus romanzoffiana as relics on the used area

Systematics
Order : Palm- like arecales
Family : Palm family (Arecaceae)
Subfamily : Arecoideae
Tribe : Cocoeae
Genre : Syagrus
Type : Syagrus romanzoffiana
Scientific name
Syagrus romanzoffiana
( Cham. ) Glassman

Syagrus romanzoffiana (formerly Cocos plumosa ) is a plant of the genus Syagrus in the subfamily Arecoideae within the family of the palm family (Arecaceae). In South America, of course, it is common in Argentina , Brazil , Paraguay , Uruguay, and Bolivia . In Brazil the palm is called Jerivá .

The specific epithet romanzoffiana honors the Russian prince and financial supporter of Adelbert von Chamisso , Nikolai Petrovich Rumjanzew .

description

Vegetative characteristics

Syagrus romanzoffiana reaches a height of 10 to 15 meters or more and a diameter of 35 to 50 centimeters. The leaves are pinnate and carry 150 to 200 leaflets on each side of the 2.5 to 4.4 meter long leaf spindle ( rachis ) .

Generative characteristics

The branched inflorescence with 80 to 280 branches reaches a length of up to 1.5 meters. The egg-shaped, yellow to orange-colored fruits measure 1 to 2 centimeters in diameter and are 2 to 3 centimeters long.

The fruit has a gray, small core that looks like a coconut and is no larger than 3 centimeters. A fruit cluster with 100 seeds each weighs around 1 kilogram. The total weight of the fruits per plant can be around 140 kilograms. The plants can bloom and produce fruit at different times of the year, depending on the region. The seed germinates after 100 to 150 days, with the seeds having a germination rate of 50 to 79 percent.

Dissemination and use

Syagrus romanzoffiana thrives in the subtropics and tolerates temperatures from 0 ° C to 40 ° C. It is used as an ornamental plant in parks and gardens in subtropical and tropical areas almost worldwide . In Australia , Honduras and Mauritius , S. romanzoffiana is considered an invasive plant species . It is rarely offered in Central Europe and Germany, and it is rarely found in culture.

Various animals use the fruit as food. Because of its sweetish mucilage , the fruit is particularly popular with red-tailed parrots , Guyana squirrels and dogs, but also with children. The fruits are also commonly used as animal feed.

The palm heart is used for the production of food.

  • fruit

  • S. romanzoffiana as an ornamental plant in the front yard

  • Pavuasittiche ( Aratinga leucophthalmus ) when eating the fruit

Individual evidence

  1. ↑ Syagrus romanzoffiana in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland.
  2. ^ D. Böhlmann: Syagrus romanzoffiana. Encyclopedia of Woody Plants: Manual and Atlas of Dendrology. 1-6. 2014. ( Abstract online )
  3. ^ A b Andrew Henderson, Gloria Galeano-Garces, Rodrigo Bernal: Field Guide to the Palms of the Americas. Princeton University Press, 1997, ISBN 978-0691016009 , p. 148.

Web links

Commons : Syagrus romanzoffiana  - collection of images, videos and audio files