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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.
The genera that contain most species are Taraxacum (Crepidinae subtribe) with about 1,600 apomictic species, Hieracium with about 770 sexually reproducing and 5,200 apomictic species, and Pilosella with 110 sexually reproducing and 700 apomictic species (both Hieraciinae). [3] Well-known members include lettuce, chicory, dandelion, and salsify.
Dandelion bilobed stigma bearing pollen. Taraxacum (/ t ə ˈ r æ k s ə k ə m /) [3] is a large genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions.
Linnaeus's flower clock was a garden plan hypothesized by Carl Linnaeus that would take advantage of several plants that open or close their flowers at particular times of the day to accurately indicate the time. [1] [2] According to Linnaeus's autobiographical notes, he discovered and developed the floral clock in 1748. [3]
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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 ...
The plant is sometimes called fall dandelion, because it is very similar to the common dandelion (one of the main differences being a branched stem with several capitula [5]), but "yellow fields", covered by this plant appear much later than dandelions, towards the autumn in the Eastern Europe.