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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.
Tristyly is a rare floral polymorphism that consists of three floral morphs that differ in regard to the length of the stamens and style within the flower. This type of floral mechanism is thought to encourage outcross pollen transfer and is usually associated with heteromorphic self-incompatibility to reduce inbreeding. [1]
It is upright and vase-shaped, reaching 2–4 m (7–13 feet) in height, bearing large trumpet-shaped flowers with prominent yellow-tipped white stamens. [12] The flowers are often pink in color, but can also be dark pink (almost purple), light pink or white. Individual flowers are short-lived, lasting only a day.
Trillium (trillium, wakerobin, toadshade, tri flower, birthroot, birthwort, and sometimes "wood lily") is a genus of about fifty flowering plant species in the family Melanthiaceae. Trillium species are native to temperate regions of North America and Asia , [ 3 ] [ 4 ] with the greatest diversity of species found in the southern Appalachian ...
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.
The rare four-petal pawpaw flower in Martin County and Palm Beach County and has never grown in abundance, but there are now about 22% less four-petal pawpaws than there were 14 years ago in 2009.
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 ...
A “pretty flower” popping up in a southern Arizona national park is a big problem — and officials are asking the public for help.. Stinknet has bright, yellow ball-like flowers with ...