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Asteraceae (/ ˌ æ s t ə ˈ r eɪ s i. iː,-ˌ aɪ /) is a large family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the order Asterales. The number of species in Asteraceae is rivaled only by the Orchidaceae , and which is the larger family is unclear as the quantity of extant species in each ...
An Oligocene (34 – 23 Mya) pollen is known for Asteraceae and Goodeniaceae, and seeds from Oligocene and Miocene (23 – 5.3 Mya) are known for Menyanthaceae and Campanulaceae respectively. [5] According to molecular clock calculations, the lineage that led to Asterales split from other plants about 112 million years ago [ 6 ] or 94 million ...
Synantherology is a branch of botany that deals with the study of the plant family Asteraceae (also called Compositae). The name of the field refers to the fused anthers possessed by members of the family, and recalls an old French name, synantherées, for the family. [citation needed]
Major works on Asteraceae were published in 2007 and 2009. These were the only comprehensive treatments of the family since 1994. [ 6 ] In the 2007 book, Gundelia and Warionia were segregated from the tribe Cichorieae to form the tribe Gundelieae .
Each floret is a flower in its own right. The modern name Asteraceae comes from the type genus Aster and the Ancient Greek word for "star", referring to the appearance of a star with surrounding rays. The stems are leafy, ranging in height from as low as 30 centimetres (12 inches) to more than 1.8–2.4 metres (6–8 feet).
Astereae is a tribe of plants in the family Asteraceae that includes annuals, biennials, perennials, subshrubs, shrubs, and trees. They are found primarily in temperate regions of the world. [ 2 ] Plants within the tribe are present nearly worldwide divided into over 250 genera and more than 3,100 species, making it the second-largest tribe in ...
Asteraceae or Compositae is a family of flowering plants (anthophytes) in the order Asterales. Asteraceae (commonly referred to as the aster , daisy , composite , [ 1 ] or sunflower family ), is a very large and widespread family, [ 2 ] [ 3 ] which includes over 32,000 currently accepted species, in over 1,900 genera ( list ) in 13 subfamilies ...
Asteridae is an obsolete botanical name at the rank of subclass.Composition of the subclass has also varied; however, by definition it always includes the family Asteraceae (Compositae).