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A cyclic flower is a flower type formed out of a series of whorls; [1] sets of identical organs attached around the axis at the same point. Most flowers consist of a single whorl of sepals termed a calyx; a single whorl of petals termed a corolla; one or more whorls of stamens (together termed the androecium); and a single whorl of carpels termed the gynoecium.
Hymenocallis / ˌ h aɪ m ɪ n ə ˈ k æ l ɪ s / [7] (US) or / ˌ h aɪ m ɛ n oʊ ˈ k æ l ɪ s / [8] (UK) is a genus of flowering plants in the amaryllis family native to the Americas. [9]Hymenocallis contains more than 60 species of herbaceous bulbous perennials native to the southeastern United States, Mexico, Central America, the Caribbean, and northern South America.
Aquilegia coerulea is a herbaceous plant with flowering stems that may be 15–80 centimeters (6–31 in) when fully grown. [3] Its leaves are on stems that are always shorter than the flowering stems, just 9–37 cm (4–15 in) and are compound leaves that usually have three leaflets on three components (), but occasionally may be simpler with just three leaflets or more complex (). [4]
Nemophila is a genus found in the flowering plant family Boraginaceae. Most of the species in Nemophila contain the phrase "baby blue eyes" in their common names. N. menziesii has the common name of "baby blue eyes". N. parviflora is called the "smallflower baby blue-eyes" and N. spatulata is called the "Sierra baby blue eyes".
The inflorescence, which rises above the surface of the water, is a raceme made up of several whorls of flowers, the lowest node bearing female flowers and upper ones bearing males. The flower is up to 2.5 centimetres (1 inch) wide with white petals. The male flowers have rings of yellow stamens at the centers.
Stamen is the Latin word meaning "thread" (originally thread of the warp, in weaving). [8]Filament derives from classical Latin filum, meaning "thread" [8]; Anther derives from French anthère, [9] from classical Latin anthera, meaning "medicine extracted from the flower" [10] [11] in turn from Ancient Greek ἀνθηρά (anthērá), [9] [11] feminine of ἀνθηρός (anthērós) meaning ...
The number of stamens in each flower is a highly variable character. Some species of the euphorbiaceae family have flowers with only one stamen (they are called monanders), the oleaceae have two stamens (flowers dianders) and in the myrtaceae there are numerous (they are polyanders). The number of stamens may or may not be equal to the number ...
The term pseudanthium was originally applied to flowers with stamens in two whorls with the outer whorl opposite the petals (obdiplostemonate) or polyandric flowers; by the early 1900s the term was repurposed by the advocates of the 'pseudanthium theory' which assumed flower evolution originated from a polyaxial instead of a monoaxial configuration.