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Taraxacum officinale, the dandelion or common dandelion, [6] is a herbaceous perennial flowering plant in the daisy family, Asteraceae. The common dandelion is well known for its yellow flower heads that turn into round balls of many silver-tufted fruits that disperse in the wind. These balls are called "clocks" in both British and American ...
The pappus-clad fruits that make up the familiar "dandelion clock" being dispersed by the wind (family Asteraceae) Bidens frondosa achenes with barbed pappusIn Asteraceae, the pappus is the modified calyx, [1] the part of an individual floret, that surrounds the base of the corolla tube in flower.
Rosa hypanthium encircling separate achene fruits. An achene (/ ə ˈ k iː n /; [1] from Ancient Greek ἀ (a) 'privative' and χαίνειν (khaínein) 'to gape'), [2] also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants.
Plate of sauteed dandelion greens, with Wehani rice. Raw dandelion greens contain high amounts of vitamins A, C, and K, and are moderate sources of calcium, potassium, iron, and manganese. [51] Raw dandelion greens are 86% water, 9% carbohydrates, 3% protein, and 1% fat. [51] A 100 gram (3 + 1 ⁄ 2 oz) reference amount supplies 45 Calories. [51]
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Daylight saving time is coming. As you prepare for a time change or to 'fall back', learn more about the origins of this annual ritual.
People often use the simple mnemonic spring forward, fall back to remember to set clocks forward one hour (e.g., from 2 a.m. to 3 a.m.) in the spring and backward one hour (e.g., from 2 a.m. to 1 ...
Before the invention of the clock the sundial was the only way to measure time. After the invention of the clock, the sundial maintained its importance, as clocks needed to be reset regularly from a sundial, because the accuracy of early clocks was poor. A clock and a sundial were used together to measure longitude. Dials were laid out using ...