When did Carl Linnaeus name the almond Amygdalus communis?
Carl Linnaeus named the almond Amygdalus communis in his Species plantarum of 1753. August Batsch placed the species in the genus Prunus for the first time in 1801.
Short answers, pulled from the story.
Carl Linnaeus named the almond Amygdalus communis in his Species plantarum of 1753. August Batsch placed the species in the genus Prunus for the first time in 1801.
The oldest valid combination remains Prunus amygdalus after David Allardice Webb published the combination Prunus dulcis in 1967 which later proved unavailable due to prior use by L'Abbé Rouchy in an 1878 publication about a cherry. The fruit measures 3 to 6 centimeters long and is technically a drupe rather than a true nut with an outer hull consisting of a thick leathery grey-green coat called the exocarp and mesocarp.
Evidence of domesticated almonds appears at Early Bronze Age sites such as Numeira in Jordan dating between 3000 and 2000 BCE. Wild almond species grew in parts of the Levant where early farmers unintentionally cultivated them in garbage heaps before intentional orchard planting began.
Single almond requires approximately five liters of water to grow properly according to USDA estimates. Persistent droughts in California early 21st century intensified sustainability concerns regarding water demand.
Almonds contain four percent water twenty-two percent carbohydrates twenty-one percent protein and fifty percent fat while providing rich sources exceeding twenty percent Daily Value for riboflavin niacin vitamin E calcium copper iron magnesium manganese phosphorus zinc. Clinical research review from 2016 indicated regular consumption may reduce heart disease risk lowering LDL cholesterol levels.
USDA approved proposal Almond Board California pasteurize public sold almonds March 2007 rule published mandatory the 1st of September 2007 effective date. Raw untreated California almonds commercially unavailable U.S. since then labeled raw steam-pasteurized chemically treated propylene oxide PPO applies imported almonds grower direct consumer small quantities export outside North America.