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It describes how mankind's discovery, usage and trade of sugar, tea, cotton, the potato, and quinine have influenced history to make the modern world. In the second edition of the book, Seeds of Change: Six Plants that Transformed Mankind , he adds the coca plant to the list.
According to Ovid, when Heracles went into the Underworld to retrieve the three-headed dog Cerberus, the hound struggled greatly to break free from the hero's grip. During the struggle, some of his saliva fell on the ground, poisoning the soil and giving birth to aconite, a poisonous herb used by witches such as Medea.
Seeds are not the spiciest part of chili peppers. In fact, seeds contain a low amount of capsaicin , one of several compounds which induce the hot sensation (pungency) in mammals. The highest concentration of capsaicin is located in the placental tissue (the pith ) to which the seeds are attached.
The gymnosperms (/ ˈ dʒ ɪ m n ə ˌ s p ɜːr m z,-n oʊ-/ ⓘ JIM-nə-spurmz, -noh-; lit. ' revealed seeds ') are a group of woody, perennial seed-producing plants, typically lacking the protective outer covering which surrounds the seeds in flowering plants, that include conifers, cycads, Ginkgo, and gnetophytes, forming the clade Gymnospermae [2] The term gymnosperm comes from the ...
On Reddit, the “Stop Eating Seed Oils” community has 42,000 members. On Facebook, the private group “Seed Oil-free snacks and foods” has more than 150,000 members.
Seeds often have a temperature range within which they will germinate, and they will not do so above or below this range. Many seeds germinate at temperatures slightly above 60-75 F (16–24 C) [room-temperature in centrally heated houses], while others germinate just above freezing and others germinate only in response to alternations in ...
The shape of the ovules as they develop often affects the final shape of the seeds. Plants generally produce ovules of four shapes: the most common shape is called anatropous, with a curved shape. Orthotropous ovules are straight with all the parts of the ovule lined up in a long row producing an uncurved seed.
Dry, one-seeded indehiscent fruit [11] in which the true fruit is not the so-called "berry", but the achenes, which are the so-called "seeds" on the infructescence, e.g. in the genus Fragaria. acicular Slender or needle-shaped. [11] See also Leaf shape. acropetal Moving from roots to leaves, e.g. of molecular signals in plants. acrophyll