Pollination Syndrome ... Wind pollination (anemophily) Flowers may be small and inconspicuous, as well as green and not showy... Insects may visit them to collect pollen; in some cases, these are ineffective pollinators and exert little natural selection on the flowers, but there are also examples of ambophilous flowers which are both wind and insect pollinated... Their flowers tend to be small and inconspicuous with lots of pollen grains and large, feathery stigmas to catch the pollen...
Pollinator ... Nectar provides the energy for bee nutrition; pollen provides the protein. When bees are rearing large quantities of brood (beekeepers say hives are "building"), bees deliberately gather pollen to meet the nutritional needs of the brood...
Ornithophily ... Flowers with generalist pollinators tend to have dilute nectar but those that have specialist pollinators such as hummingbirds or sunbirds tend to have more concentrated nectar... The nectar of ornithophilous flowers vary in the sugar composition, with hexoses being high in passerine pollinated species while those that are insect pollinated tend to be sucrose rich... Many plants of the family Loranthaceae have explosive flowers that shower pollen on a bird that forages near it...
Pollination ... In spite of a common perception that pollen grains are gametes, like the sperm cells of animals, this is incorrect; pollination is a phase in the alternation of generations: each pollen grain is a male haploid plant, a gametophyte, adapted to being transported to the female gametophyte, where it can achieve fertilization by producing the male gamete (or gametes, in the process of double fertilization). As such the Angiosperm successful pollen grain (gametophyte) containing the male gametes (sperm) gets transported to the stigma, where it germinates and its pollen tube grows down the style to the ovary...
Inflorescence ... The stem holding the whole inflorescence is called a peduncle and the main stem holding the flowers or more branches within the inflorescence is called the rachis...
Expressions Of Love - Flowers ... Gifting flowers is the most popular way of putting across your sentiments and feelings in front of someone special... And if you are worried about geographical distances in your relation then you should know that International Flowers Delivery is the finest way to express your feelings to your beloved, friends, relatives' etc... If you're near and dear ones stay abroad and you wish to greet them with your love then you don't have to think twice. International flowers delivery provides on door delivery of your love for them in form of fresh and beautiful flowers...
Flower ... In addition to facilitating the reproduction of flowering plants, flowers have long been admired and used by humans to beautify their environment, but also as objects of romance, ritual, religion, medicine and as a source of food... Many flowers lack some parts or parts may be modified into other functions and/or look like what is typically another part... Other flowers have modified stamens that are petal-like, the double flowers of Peonies and Roses are mostly petaloid stamens...