heterosporous

heterosporous

1. Quillworts are heterosporous, mainly aquatic perennials, with a dense rosette of tubular quill-like leaves arising from a short, stout rootstock.

水韭目的植物具有异型孢子，是多年水生植物。其管状条形叶密集簇生于粗短的根茎之上。

2. Azollaceae (mosquito ferns) A family of free-floating aquatic heterosporous ferns found in tropical and warm temperate parts of America and Asia and introduced elsewhere.

满江红科：原产于美洲与亚洲的热带与温带地区的具有异形孢子的，能够自由漂浮的水生蕨类，现各地都有引种。

3. It is equivalent to the microsporophyll present in the gymnosperms and heterosporous members of the Filicinophyta and Lycophyta.

这相当于裸子植物的小孢子叶或羊齿植物和石松属植物中的部分异型孢子体。