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Cycadeoidea, the Glossary

Cycadeoidea is an extinct genus of bennettitalean plants known from the Cretaceous (and possibly the Jurassic) of North America, Europe and Asia.^[1]

American Journal of Botany

The American Journal of Botany is a monthly peer-reviewed scientific journal which covers all aspects of plant biology.

See Cycadeoidea and American Journal of Botany

Bennettitales

Bennettitales (also known as cycadeoids) is an extinct order of seed plants that first appeared in the Permian period and became extinct in most areas toward the end of the Cretaceous.

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British Columbia

British Columbia (commonly abbreviated as BC) is the westernmost province of Canada.

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Cretaceous

The Cretaceous is a geological period that lasted from about 145 to 66 million years ago (Mya).

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Cycad

Cycads are seed plants that typically have a stout and woody (ligneous) trunk with a crown of large, hard, stiff, evergreen and (usually) pinnate leaves.

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DK (publisher)

Dorling Kindersley Limited (branded as DK) is a British multinational publishing company specialising in illustrated reference books for adults and children in 63 languages.

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Extinction

Extinction is the termination of a taxon by the death of its last member.

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Genus

Genus (genera) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses.

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Greensand

Greensand or green sand is a sand or sandstone which has a greenish color.

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Haslam Formation

The Haslam Formation is a black shale geologic formation exposed on Vancouver Island and the Gulf Islands, British Columbia, Canada.

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Hornby Island

Hornby Island of British Columbia, Canada, is one of the two northernmost Gulf Islands, the other being Denman Island.

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Insect

Insects (from Latin insectum) are hexapod invertebrates of the class Insecta.

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Isle of Portland

The Isle of Portland is a tied island, long by wide, in the English Channel.

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Isle of Wight

The Isle of Wight (/waɪt/ ''WYTE'') is an island, English county and unitary authority in the English Channel, off the coast of Hampshire, across the Solent.

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Late Cretaceous

The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale.

See Cycadeoidea and Late Cretaceous

Leaf

A leaf (leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally aboveground and specialized for photosynthesis.

See Cycadeoidea and Leaf

The Loddiges family (not uncommonly mis-spelt Loddige) managed one of the most notable of the eighteenth and nineteenth century plant nurseries that traded in and introduced exotic plants, trees, shrubs, ferns, palms and orchids into European gardens.

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London

London is the capital and largest city of both England and the United Kingdom, with a population of in.

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Luccombe Chine

Luccombe Chine is a geological feature and visitor attraction south of the village of Luccombe on the Isle of Wight, England.

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National Museum of Natural History

The National Museum of Natural History (NMNH) is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States.

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Pinnation

Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis.

See Cycadeoidea and Pinnation

Robert Brown (botanist, born 1773)

Robert Brown (21 December 1773 – 10 June 1858) was a Scottish botanist and paleobotanist who made important contributions to botany largely through his pioneering use of the microscope.

See Cycadeoidea and Robert Brown (botanist, born 1773)

Self-pollination

Self-pollination is a form of pollination in which pollen from one plant arrives at the stigma of a flower (in flowering plants) or at the ovule (in gymnosperms) of the same plant.

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Species

A species (species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction.

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Thomas Field Gibson

Thomas Field Gibson FGS (3 March 1803 – 12 December 1889) was a Unitarian silk manufacturer and philanthropist.

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Trunk (botany)

In botany, the trunk (or bole) is the stem and main wooden axis of a tree, which is an important feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species.

See Cycadeoidea and Trunk (botany)

Type species

In zoological nomenclature, a type species (species typica) is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen (or specimens).

See Cycadeoidea and Type species