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Commelinaceae: (Spiderwort Family)

This family contains 50 genera and 700 species. The plants most recognizable in this family are the dayflowers (Commelina), the spiderworts (Tradescantia) or the wandering Jews (Zebrina). Also part of this family is the blue ginger (Dichorisandra thyrsiflora) which is subsequently not a ginger at all.


Systematics: This family has flowers with 3 sepals, 3 petals, 3 locules and 3 pistils. It also has 6 stamen which usually contain some sort of hairy filaments on them. Leaves are simple and alternate with the bases sheathing.

Specimens List

Dayflower (Commelina spp)

These flowers have two prominent blue petals and a tiny white one. Linnaeus though this was similar to the Commelin brothers of which two were great botanists, the other was scientifically worthless.



Floral Diagram

Floral Formula


Spiderworts (Tradescantia spp)

There are 71 species of Spiderworts, all are native to the New World.


Blue Ginger (Dichorisandra thyrsiflora)

Looks link a ginger but is actually related to the wandering jews.


Wandering Jew (Tradescantia zebrina)

Wandering jews were formerly in the genus Zebrina. They are popular house plants.


 

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