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flower
(Encyclopedia)CE5 Longitudinal cross section of a flower at the time of fertilization, showing a pollen grain and a pollen tube. flower, name for the specialized part of a plant containing the reproductive orga...honeyeater
(Encyclopedia)honeyeater or honeysucker, common name for arboreal birds comprising some 160 species of the family Meliphagidae, and found in Australia, New Zealand, and the SW Pacific. There is a single South Ameri...pistil
(Encyclopedia)pistil pĭsˈtĭl [key], one of the four basic parts of a flower, the central structure around which are arranged the stamens, the petals, and the sepals. The pistil is usually called the female repro...Nägeli, Karl Wilhelm von
(Encyclopedia)Nägeli or Naegeli, Karl Wilhelm von both: kärl vĭlˈhĕlm fən nāˈgəlē [key], 1817–91, Swiss botanist. He was professor at the Univ. of Munich from 1858 and was noted especially for his work ...viroid
(Encyclopedia)viroid, microscopic infectious agent, much smaller than a virus, that infects higher plants such as potatoes, tomatoes, chrysanthemums, and cucumbers, causing stunted or distorted growth and sometimes...Brown, Robert
(Encyclopedia)Brown, Robert, 1773–1858, Scottish botanist and botanical explorer. In 1801 he went as a naturalist on one of Matthew Flinders's expeditions to Australia, returning (1805) to England with valuable c...Brongniart, Adolphe Théodore
(Encyclopedia)Brongniart, Adolphe Théodore ädôlfˈ tāōdôrˈ brôNyärˈ [key], 1801–76, French botanist; son of Alexandre Brongniart. He was a pioneer in the study of plant morphology and physiology and was...springtail
(Encyclopedia)springtail, common name for any of the minute, primitive six-legged arthropods of the order Collembola. The springtail is named for a springlike mechanism on the underside of the abdomen. When at rest...Pinophyta
(Encyclopedia)Pinophyta pīˌnŏfˈətə [key], division of the plant kingdom consisting of those organisms commonly called gymnosperms. The gymnosperms, a group that includes the pine, have stems, roots and leaves...hives
(Encyclopedia)hives (urticaria), rash consisting of blotches or localized swellings (wheals) of the skin, caused by an allergic reaction (see allergy). The swelling is caused by distention of the skin capillaries a...Browse by Subject
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