Roystonea oleracea

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 Roystonea oleracea subsp. var.  Caribbean Royal Palm, palmiste, Imperial palm, cabbage palm
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Habit: palm-cycad
Height: to
Width: to
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Lifespan: perennial
Features: evergreen, foliage
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USDA Zones: to
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Flower features:
Arecaceae > Roystonea oleracea var. ,

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Roystonea oleracea, sometimes known as the Caribbean Royal Palm,[citation needed] palmiste, Imperial palm[citation needed] or cabbage palm, is a species of palm which is native to the Lesser Antilles, northern South America and Trinidad and Tobago.

Roystonea oleracea is a large palm which reaches heights of 40 m . Stems are grey[1] or whitish-grey.[2] and range from 46 - 66 cm in diameter.[1] The upper portion of the stem is encircled by leaf sheaths, forming a green portion known as the crownshaft which is normally about 2 m ft long.[1] Individuals are reported to have 16–22[2] or 20–22 leaves. Leaves consist of a 60 - 100 cm long petiole and a 4 - 4.6 m rachis. The 1.4 m ft inflorescence bears white male and female flowers. Fruit are 12.6 - 17.6 mm long and 7.6 - 10.4 mm long, and turn purplish-black when ripe.[1]

Standard Cyclopedia of Horticulture

Oreodoxa oleracea, Mart. (Areca oleracea, Jacq. Euterpe Caribaea, Spreng. Roystonea oleracea, O. F. Cook). Cabbage Palm. Caudex 100-120 ft. high: Lvs. 10-14 ft. long; lf.-segms. lanceolate-linear, acuminate, 3 ft. long, 1½ in. wide: fr. obovoid-oblong, ¾ in. W. Indies. —Cult, in S. Fla.

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Pests and diseases




  1. 1.0 1.1 1.2 1.3 Zona, Scott (December 1996). "Roystonea (Arecaceae: Arecoideae)". Flora Neotropica 71: 1–35. 
  2. Cite error: Invalid <ref> tag; no text was provided for refs named Henderson

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