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Symphyotrichum novae-angliae (formerly Aster novae-angliae) is a species of flowering plant in the aster family native to central and eastern North America. Commonly known as New England aster, [4] hairy Michaelmas-daisy, [5] or Michaelmas daisy, [6] it is a perennial, herbaceous plant usually between 30 and 120 centimeters (1 and 4 feet) tall and 60 to 90 cm (2 to 3 ft) wide.
The start of dormancy can be seen in perennial plants through withering flowers, loss of leaves on trees, and halting of reproduction in both flowering and budding plants. [19] Perennial species may produce relatively large seeds that have the advantage of generating larger seedlings that can better compete with other plants. Perennials also ...
Plants For A Future (PFAF) is an online not for profit resource for those interested in edible and useful plants, with a focus on temperate regions. Named after the phrase "plans for a future" as wordplay, the organization's emphasis is on perennial plants. PFAF is a registered educational charity with the following objectives: [1]
Contarinia quinquenotata, commonly known as the daylily gall midge, is a small gray insect infesting the flower buds of Hemerocallis species causing the flower to remain closed and rot. [26] It is a pest within the horticultural trade in several parts of the world, including Southern and Eastern Europe, the United Kingdom, Canada, and the ...
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Aquilegia (common names: granny's bonnet, [2] columbine) is a genus of about 130 species [1] of perennial plants that are found in meadows, woodlands, and at higher elevations throughout the Northern Hemisphere, known for the spurred petals [3] of their flowers.
The orange/yellow flowers resemble tiny Chinese Lanterns. The orange of the flowers of Sandersonia aurantiaca is, however, more yellow in tone than that of the inflated calyces of Physalis alkekengi (another plant known by the common name Chinese lantern). Of the two plants, Sandersonia is the more resistant to fungal disease. [4]
It is a half-hardy perennial from Chile and may remain dormant for several years before being sparked into growth by some unknown trigger factor. [19] Tropaeolum hookerianum is a tuberous-rooted species from Chile. There are two subspecies, T. h. austropurpureum which has violet-purple flowers and T. h. pilosum with yellow flowers. [19]