Division 1 - Lycopodiophyta
from Kingdom 1 - Plantae
Summary
Herbs. Stems simple or sparingly branched, bearing roots. Leaves simple, with 1 vein. Sporangia homosporous or heterosporous, borne singly in leaf axils or on the upper side of a leaf near the base; sporangium-bearing leaves often aggregated into a cone. Gametophytes of homosporous species free-living, subterranean, mycorrhizal and saprophytic, those of heterosporous species much reduced and retained in the spore, which lies on the ground.
Contains 3 isolated families worldwide, each in a separate order.
- Type
- Chapter
- Information
- Publisher: Cambridge University PressPrint publication year: 2018