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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
Symphyotrichum pilosum (formerly Aster pilosus) is a perennial, herbaceous, flowering plant in the Asteraceae family native to central and eastern North America. It is commonly called hairy white oldfield aster, frost aster, white heath aster, heath aster, hairy aster, common old field aster, old field aster, awl aster, nailrod, and steelweed.
Asterales (/ ˌ æ s t ə ˈ r eɪ l iː z / ASS-tər-RAY-leez) [2] is an order of dicotyledonous flowering plants that includes the large family Asteraceae (or Compositae) known for composite flowers made of florets, and ten families related to the Asteraceae. [3]
[clarification needed] [citation needed] The show there in the flowering season is a rich treat for the lovers of floriculture : for almost every variety can be seen growing in two large blocks or masses which lead from the road to the dwelling-house, and form a complete field of the Dahlia as a foreground to the house. Mr.
Aster amellus is the type species of the genus and the family Asteraceae. [1] The name Aster comes from the Ancient Greek word ἀστήρ (astḗr), meaning 'star', referring to the shape of the flower head. Many species and a variety of hybrids and varieties are popular as garden plants because of their attractive and colourful flowers.
Ageratum (/ ə ˈ dʒ ɛr ə t ə m /) [2] (whiteweed in the US) is a genus of 40 [3] to 60 tropical and warm temperate flowering annuals and perennials from the family Asteraceae, tribe Eupatorieae. Most species are native to Central America and Mexico but four are native to the United States. [3] They form tussocks or small hills.
Unlike many other members of the family Asteraceae, whose seeds are airborne with a plume of silky hairs resembling miniature parachutes, cocklebur seeds are produced in a hard, spiny, globose or oval double-chambered, single-seeded bur 8–20 mm (0.32–0.79 in) long. It is covered with stiff, hooked spines, which stick to fur and clothing and ...
Flowers are stellate, generally violet, pink or bluish in colour, with yellow centres, flowering from early to late autumn. [2] Fruit is an achene , brown in colour, measuring about 2–3 mm (0.079–0.118 in) in length.