Syagrus romanzoffiana

Syagrus romanzoffiana

Syagrus romanzoffiana or Queen Palm is, like Beccariophoenix alfredii, a look alike of the cocos palm or Cocos nucifera that can replace him in landscaping in colder climates, though not colder than USDA zone 9.

It was formerly classified in the genus Cocos and bore the name Cocos plumosa. Later it was classified in the genus Arecastrum and finally in the genus Syagrus. Thus we find it often under its former names.

Its rapid growth and low price make it a coveted palm tree.

Description:

Syagrus romanzoffiana is a palm tree that grows up to 18 m. The stipe is gray, 30-50 cm in diameter, up to 15 m long and sometimes produces aerial roots at the base.

The leaves are light to dark green, pinnate and measuring up to 5 m long. The dead leaves stay long on the palm tree and removed for aesthetic reasons. The leaf sheaths serve as a breeding place for snails and caterpillars.

The inflorescence is 1.5 m long, highly branched, with a woody spathe and cream colored flowers.

The fruit is a berry, 2-3 cm long, yellow-orange and sweet. She looks like a date and is mainly eaten by birds and small mammals such as the pampavos.

Nomenclature:

Common names:

Cocos Plumosa, Giriba palm, Jeriva, Pindo palm, Queen palm, Robust Queen palm, Romanzoff coco palm

Synonyms:

Arecastrum romanzoffianum, Arecastrum romanzoffianum subvar. minus, Arecastrum romanzoffianum var. australe, Arecastrum romanzoffianum var. genuinum, Arecastrum romanzoffianum var. micropindo, Calappa plumosa, Calappa romanzoffiana, Cocos acrocomioides, Cocos arechavaletana, Cocos australis, Cocos datil, Cocos geriba, Cocos martiana, Cocos romanzoffiana, Cocos romanzoffiana var. plumosa

Etymology:

Syagrus: uncertain, probably derived from the name given by Pline the Ancient to a species of date palm
Romanzoffiana: after NP Romanzoff (1754-1826), promotor of a Russian expedition to California in 1816

Syagrus romanzoffiana inflorescence

Syagrus romanzoffiana inflorescence

Origin:

Subtropical South-America

Habitat:

Regions with short winters and wet soils



Hardiness:

USDA zone 9-1
Leaf damage at -3 °C, dies at -6°C

Care:

Soil:

Well drained

Exposure:

Sun

Water:

water daily during growing season

Fertilizer:

Fertilize regularly during growing season (every 1-2 weeks, is a fast grower)

Syagrus romanzoffiana fruit

Syagrus romanzoffiana fruit

Propagation:

Seed

Sowing instructions:

  • soak the seeds for 3 days in lukewarm water
  • sow in a moist mix
  • put the pot in a plastic bag or container to keep humidity
  • 35-40 °C during the day, 20-25 °C during the night (above the radiator should do the trick)
  • germination time: 1 month to a few months

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