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Aster is a genus of perennial flowering plants in the family Asteraceae.Its circumscription has been narrowed, and it now encompasses around 170 species, all but one of which are restricted to Eurasia; many species formerly in Aster are now in other genera of the tribe Astereae.
How to Care for Asters. Asters are easy-to-grow with the right conditions: Light Needs of Asters. Most asters need full sun, which is considered 6 or more hours of direct sunlight per day.
An aster is a cellular structure shaped like a star, consisting of a centrosome and its associated microtubules during the early stages of mitosis in an animal cell. [1]: 221 Asters do not form during mitosis in plants. Astral rays, composed of microtubules, radiate from the centrosphere and look like a cloud. Astral rays are one variant of ...
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants. Shade-intolerant species require full sunlight and little or no competition.
Symphyotrichum ericoides (formerly Aster ericoides), with common names white heath aster, [4] frost aster, [5] and heath aster, [6] is a species of flowering plant in the family Asteraceae native to much of central and eastern North America. It has been introduced to parts of Europe and western Asia.
A. ageratoides is a clump-forming, herbaceous perennial growing to a height of approximately 75–90 cm (30–35 in). Leaves are dark green, toothed, lanceolate and entire. [ 3 ] Flowers are stellate, generally violet, pink or bluish in colour, with yellow centres, flowering from early to late autumn. [ 2 ]
Fall aster is a tough little plant. It grows to 15 to 30 inches tall, but most professional landscape contractors shear it lightly one time in late spring to keep it at the shorter end of those ...
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.