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The fruit is a spiny, greenish (to reddish-purple) capsule containing large, oval, shiny, bean-like, highly poisonous seeds with variable brownish mottling. Castor seeds have a warty appendage called the caruncle, which is a type of elaiosome. The caruncle promotes the dispersal of the seed by ants (myrmecochory).
castor oil plant, castor bean, Palma Christi Euphorbiaceae: The seeds contain ricin, an extremely toxic and water-soluble ribosome-inactivating protein; it is also present in lower concentrations in other parts of the plant. Also present are ricinine, an alkaloid, and an irritant oil.
Ricin (/ ˈ r aɪ s ɪ n / RY-sin) is a lectin (a carbohydrate-binding protein) and a highly potent toxin produced in the seeds of the castor oil plant, Ricinus communis.The median lethal dose (LD 50) of ricin for mice is around 22 micrograms per kilogram of body weight via intraperitoneal injection.
Castor oil is a type of vegetable oil derived from the seeds of the castor bean plant (ricinus communis), which is naturally found in parts of Africa, India and South America, Dr. Joshua Zeichner ...
The single largest Lodoicea seed found to date was one weighing 25 kg (55 lbs). [7] Coconut Cocos nucifera: Palm family (Arecaceae or Palmae) 6 inches 15 cm The Andaman Giant Coconut can have a weight of about 8 lbs (3.6 kg). [8] Mora [9] or "Mangle Neto" Mora oleifera or Mora megistosperma: Senna family (Caesalpinaceae) 7 in by 6 in by 3 in
Caruncle Carunculate seeds of Ricinus communis (Castor beans) The particular elaiosome in the spurge family Euphorbiaceae is called caruncle (Latin caruncula "wart"). Seeds that have caruncles are carunculate; seeds that do not have caruncles are ecarunculate.
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