Flashcards in Lycopsids Deck (12)
What are Lycopsids?
Most primative extant vascular plants
What type of leaves do they have?
Where are the sporangia located?
Near the axis of the microphylls, often aggregated into cones
Which phase of life is dominant?
Which methods of reproduction do they use?
Hetero and homosporous
What are the different families?
Lycopodium, Phylloglossum, Selaginella, Isoetes
How many species of Lycopodium are there?
What are the features of Lycopodium?
Elingulate leaves, homosporous, Gametophytes may be subterranean
How many species of Phylloglossum are there?
one in Australia
What are the features of Selaginella?
Lingulate microphylls,have strobili, heterosporous
How many species of Selaginella are there?
700, mostly tropical