At one point there was almost 30 species of Acrocomia described. Now many are considered synonymous with A. aculeata.
Macauba palm, Grugru PalmScientific Name: Acrocomia aculeata (Jacq.) Lodd. Ex Mart.
Size: Up to 40 feet tall (12 m) depending on the type. Up to 15 feet diameter (4.5 m)
Min. Temperature: 25°F (-4°C)
Water Requirements: Regular water
Sun Requirements: Full sun
Origin: Mexico to Argentina
Germination: Difficulties in breaking dormancy (4-6 months) and slow early growth
plumose, glaucous. The leaves and the petioles possess long needle-like black spines,
Up to 10 feet long (3 m).
Trunk: grey brown, ringed, often armed with a large quantity of black spines,
9-10 inches in diameter (22-27 cm).
Flower: unisexual yellow flowers, both sexes on the same stalk. Male flowers have 6 stamens..
Flower stalk coming from among the leaves, up to 7 feet long (2.1 m), spiny, woody spath covered with spines.
Fruit: light green.
up to 2 inches.
The seed is a source of palm oil,
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