polyembryony

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Anemone coronaria, the poppy anemone, Spanish marigold, or windflower, is a species of flowering plant.

What’s the Difference Between Angiosperms and Gymnosperms?

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Sunlight shining on leaves. Photosynthesis

What Does Photosynthesis Produce?

Flower bingo

Britannica’s Flower Bingo

Palm House conservatory of Kew Gardens, London, England. (formal garden, glass house, greenhouse)

How Botanical Gardens Save Plants with Science

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Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.

6 Animals We Ate Into Extinction

Aspirin pills.

7 Drugs that Changed the World

Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Drinking water is poured into a glass.

Water Fluoridation: Just the Facts

Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar

Ten Days That Vanished: The Switch to the Gregorian Calendar

Poker game. Card game. Royal Flush in poker. Hearts suit gambling

Poker Hands Ranked

Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg

Spies Like Us: 10 Famous Names in the Espionage Game

polyembryony: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

multiple birth embryo embryo cotyledon sexual differentiation gestational age implantation neural crest cleavage segmentation umbilical cord induction histogenesis

Key People

Filippo Silvestri

Italian entomologist