Heterokonts [audio pronunciation]

Common name

None

Synonyms

Stramenopiles (the photosynthetic heterokonts are sometimes called “chromists”)

Mode of nutrition

Autotrophic: brown chloroplasts; saprophytic, parasitic

Habitat

Freshwater, marine, terrestrial

Growth habit

Unicellular, filamentous, various multicellular

Cell wall

Cellulose, silica, alginic acids

Undulipodia (“flagella”)

One tinsel, usually also one whiplash

Food storage

Glycogen, laminarin, lipid

Clonal reproduction

Zoospores

Sexual reproduction

Unicellular, haploid dominant, diploid dominant, alternation of generations

Included Phyla

Oomycota, Bacillariophyta, Phaeophyta

Recognized by

Tinsel undulipodia

jcclark@csupomona.edu
© 2002 by Curtis Clark