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Commelinaceae

 

 

 
Classification

Kingdom: Plantae

Division: Magnoliophyta

Class: Liliopsida

Order Type: Basal Angiosperms-Monocots

Order: Commelinales

Family: Commelinaceae

Family Common Name: Spiderwort Family

Genera: Callisa, Commelina, Tradescantia

Defining Features: The taxa of the family are often fleshy, with swollen nodes and have three-celled, glandular hairs.

Defining Morphology: Floral Features: Flowers are actinomorphic or zygomorphic and bisexual (rarely unisexual). Inflorescence is a helicoids cymose borne at the stem apex or in the leaf axil and subtended by one or more bracts (spathes). Ovaries are superior with axile placentaion. Flowers often blue or pink and last for only one day. Fruit and Seed Features: Monocotyledon. Fruit a capsule or a berry. Seeds with a swelling on the outer surface indicating the location of the embryo within (termed a embryostega) and sometimes covered with an aril. Endosperm is present and mealy. Vegetative Features: Habit as somewhat succulent herbs. Leaves simple, alternate with entire margin and sheathing at the base. Stipules lacking. Stems jointed, often with mucilage cells containing raphides.

Distribution: Widespread throughout the subtropical and tropical regions, with a few in the temperate regions of North America, China, Japan and Australia.

Economic Use: As a cultivated garden and indoor ornamental as well as used medicinally.

Number of Genera Globally: 40

Number of Species Globally: 650

Comments, Questions, Desire to Support: Contact Mo Fayyaz, Greenhouse/Garden Director, 608 262 2235.

File last updated: 2007.

Copyright © 2004 The Board of Regents of the University of Wisconsin System.