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Tree of Life
Plant Flower, Tree
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human
These are organized by a classification scheme developed exclusively for Cosma. More…
flower : : the specialized part of an angiospermous plant that occurs singly or in clusters, possesses whorls of often colorful petals or sepals, and bears the reproductive structures (such as stamens or pistils) involved in the development of seeds and fruit : blossom — Webster
Flower, sometimes known as a bloom or blossom, is the reproductive structure found in plants that are floral (plants of the division Magnoliophyta, also called angiosperms). The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs. Flowers may facilitate outcrossing (fusion of sperm and eggs from different individuals in a population) or allow selfing (fusion of sperm and egg from the same flower). Some flowers produce diaspores without fertilization (parthenocarpy). Flowers contain sporangia and are the site where gametophytes develop. Many flowers have evolved to be attractive to animals, so as to cause them to be vectors for the transfer of pollen. After fertilization, the ovary of the flower develops into fruit containing seeds. In addition to facilitating the reproduction of flowering plants, flowers have long been admired and used by humans to beautify their environment, and also as objects of romance, ritual, religion, medicine and as a source of food. — Wikipedia
Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
- Flowery diets help predatory insects help farmers...on January 22, 2021 at 4:05 pm
Predatory insects have been shown to live longer when they have access to nectar and pollen, according to a new study by researchers at the University of Copenhagen. Thus, flowers don't just benefit insects, they help farmers farm sustainably. Predatory insects are skilled pest controllers whose hunting reduces the need for agricultural pesticides.
- Genetic sequence for parasitic flowering plant...on January 22, 2021 at 4:00 pm
On January 22 in Current Biology, a team of Harvard-led researchers presented the most complete genome yet assembled of one of the major Rafflesiaceae lineages, Sapria himalayana.
- New variety of paintbrush lily developed by a...on January 22, 2021 at 1:28 pm
Scientists at Hokkaido University and Chiba University have developed simultaneous triploid and hexaploid varieties of Haemanthus albiflos by the application of endosperm culture, thus extending the use of this technique.
- Early breeding reduced harmful mutations in...on January 21, 2021 at 4:15 pm
When humans first domesticated maize some 9,000 years ago, those early breeding efforts led to an increase in harmful mutations to the crop's genome compared to their wild relatives, which more recent modern breeding has helped to correct.
- Monarch butterfly population moves closer to...on January 19, 2021 at 9:13 pm
The number of western monarch butterflies wintering along the California coast has plummeted precipitously to a record low, putting the orange-and-black insects closer to extinction, researchers announced Tuesday.
- Male butterflies mark their mates with repulsive...on January 19, 2021 at 7:00 pm
Butterflies have evolved to produce a strongly scented chemical in their genitals that they leave behind after sex to deter other males from pursuing their women—scientists have found.
- New classification for tropical plant group...on January 19, 2021 at 6:18 pm
The tropical plant genus Phyllanthus has been the subject of debate in the taxonomic world for years. About fifteen years ago it became clear that the genus with nearly 900 plant species, contains plants that are considered separate groups. "Many subgroups were created to better distinguish the diversity of the large number of species," according to Ph.D. candidate Roderick Bouman, who conducted the research. "But some groupings that were created based on similar appearances turned out not to […]
- As the American hemp industry grows, so does our...on January 19, 2021 at 5:55 pm
As hemp begins to reemerge as an important crop in the United States, scientists are beginning research into the diseases that might prevent the crop from flourishing. A study published in the December issue of Plant Health Progress is one of the first to study the potential disease and disorder limitations for hemp production in the southeastern United States.
- Aphids suck: Invasive aphid found on Danish apple...on January 19, 2021 at 5:22 pm
The spirea aphid, Aphis spiraecola, an invasive pest, has been discovered for the first time in Denmark by University of Copenhagen researchers. The extent of its current distribution remains unknown, but in time, it could prove to be a troublesome pest for Danish apple growers.
- Figs show that nonnative species can invade...on January 19, 2021 at 3:50 pm
While surveying the Hawaiian island of Kauai in search of invasive plants in 2017, botanist Kelsey Brock spotted something unusal: a few nonnative species of figs seemed to be settling in.