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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z



A B C D E F G H I J K L M N O P Q R S T U V W X Y Z






What is an Herbarium?

Genus Descriptions

Species Descriptions

Ontario FEC V-Types

Bibliography

Terminology

Who Collects the Plants?

Collector Biographies

Nomenclature Primer

Website Information

Northern Ontario Plant Database
 
Inflorescence Types




Spike an elongate, unbranched, indeterminate inflorescence with sessile flowers.
Spikelet a small spike, characteristic of grasses and sedges.
Raceme an elongate, unbranched, indeterminate inflorescence with pedicelled flowers.
Panicle a branched raceme.
Corymb a flat-topped raceme with elongate pedicels reaching the same level.
Compound Corymb a branched corymb.
Umbel a flat-topped or rounded inflorescence with the pedicels originating from a common point. Umbels can be determinate or indeterminate.
Compound Umbel a branched umbel, with primary rays arising from a common point, and    secondary umbels arising from the tip of the primary rays.
Capitulum
(or head)
a dense vertically compressed inflorescence with sessile flowers on a receptacle and subtended by an involucre of phyllaries, characteristic of the Asteraceae. Heads can be determinate or indeterminate.
Thyrse a many-flowered inflorescence with an indeterminate central axis and many opposite, lateral dichasia; a mixed inflorescence, with determinate and indeterminate shoots.

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