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The bulbs need some exposure to cold temperatures for 12 to 14 weeks in order to bloom. [1] Flower bulbs are generally planted in the fall in colder climates. The bulbs go dormant in the winter but they continue to absorb water and nutrients from the soil and they develop roots. [2] Most bulbs produce perennial flowers.
Longitudinal section through bulb Cross section of onion bulb. The bulb's leaf bases, also known as scales, generally do not support leaves, but contain food reserves to enable the plant to survive adverse conditions. At the center of the bulb is a vegetative growing point or an unexpanded flowering shoot.
Ochna integerrima, [1] popularly called yellow Mai flower (Vietnamese: mai vàng, hoa mai, hoàng mai in southern Vietnam, although in the north, mai usually refers to Prunus mume), is a plant species in the genus Ochna (/ ˈ ɒ k n ə /) and family Ochnaceae. In the wild, it is a small tree or shrub species (2-7 m tall).
Fritillaria sichuanica produces bulbs up to 20 mm in diameter. Stem is up to 50 cm tall. Stem is up to 50 cm tall. Flowers are nodding (hanging downwards), yellow-green with deep purple spots the spots sometimes so dense that the flower appears from a distance to be more purple than yellow-green.
The main pollinators of the flowers are bees, hummingbirds, sunbirds, and bats. The pollination mechanism is conspicuously specialized. Pollen is shed on the style while still in the bud , and in the species and early hybrids, some is also found on the stigma because of the high position of the anther, which means that they are self-pollinating.
Zantedeschia (/ ˌ z æ n t ɪ ˈ d ɛ s k i ə /) [3] is a genus of eight species of herbaceous, perennial, flowering plants in the aroid family, Araceae, native to southern Africa [4] (from South Africa northeast to Malawi).
Flower production and trade supports developing economies through their availability as a fair trade product. [140] View of the Tampere Central Square during the Tampere Floral Festival in July 2007. Flowers provide less food than other major plant parts (seeds, fruits, roots, stems and leaves), but still provide several important vegetables ...
Lobelia cardinalis, the cardinal flower (syn. L. fulgens), is a species of flowering plant in the bellflower family Campanulaceae native to the Americas, from southeastern Canada south through the eastern and southwestern United States, Mexico and Central America to northern Colombia.