Isoetaceae

Genera: 2

Species: 50 - 70
  • Link to Isoetes directory of images
  • Return

    Distribution: Worldwide
    Economic Uses: None

    Defining Morphology

    Vegetative Characters: Aquatic or semi-aquatic plants with corm-like stems with secondary growth. Leaves with ligules and quite long (15+ cm) for microphylls.

    Reproductive Characters: Heterosporous plants with endosporic gametophytes. Sporangia are borne at the base of sporophylls which are similar to vegetative leaves.