angiosperm

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angiosperm

any member of the class Angiospermae, in which the seeds are enclosed in an ovary The class contains the most advanced vascular plants. Each member of the class is either a MONOCOTYLEDON (e.g. grasses, tulips) or a DICOTYLEDON (e.g. apple, primrose). See PLANT KINGDOM for a more complete classification.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
The first angiosperm, or flowering plant, had a simple arrangement of layered petals and contained both male and female reproductive organs, according to the study.
The US-German team which found the piece said that the main aspect of this discovery is that it presents a new look at the biodiversity of early flowering plants, which caused an enormous change in biodiversity on Earth.
The perfectly-preserved scene, in a plant now extinct, is part of a portrait created in the mid-Cretaceous when flowering plants were changing the face of the Earth forever, adding beauty, biodiversity and food.
In addition to its utility in studies of flowering plant evolution, the Amborella genome sequence offers insights into the history and conservation of Amborella populations, co-author Doug Soltis, a distinguished professor from the Florida Museum of Natural History in the University of Florida noted.
The first intact fossil of a mature eudicot--a type of flowering plant whose membership includes buttercups, apple and maple trees, dandelions, and proteas--has been discovered by scientists from the U.S.
A PHOTO of the male sex organ of a flowering plant has won the prestigious Nikon Small World Photomicrography Competition.
For example, if it were claimed that flowering plant vegetation (e.g., oak trees) had greater buoyancy than nonflowering plant vegetation (e.g., pine trees), it could be argued that the former might be deposited in the upper portions of the rock record.
Scientists have crowned the "speediest flowering plant" on Earth.
Veronica Read's Hippeastrum (0881926-396, $34.95) provides an in-depth and technical reference to what is commonly known by gardeners as amaryllis, a popular indoor and outdoor flowering plant with eye-catching large blossoms.
You will need: * a flowering plant * pieces of colored felt or paper * scissors * a piece of cardboard * a felt-tip pen * nontoxic glue
So even though the amber droplets are definitely not from a flowering plant, their origin remains unknown.
Toward the end of the age of dinosaurs, about 100 million years ago, a new kind of plant--the flowering plant [or angiosperm]--evolved that formed partnerships with insects and other pollinators.