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Flashcards in Lycopsids Deck (12)
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1

What are Lycopsids?

Most primative extant vascular plants

2

What type of leaves do they have?

Generally microphylls

3

Where are the sporangia located?

Near the axis of the microphylls, often aggregated into cones

4

Which phase of life is dominant?

Sporophyte

5

Which methods of reproduction do they use?

Hetero and homosporous

6

What are the different families?

Lycopodium, Phylloglossum, Selaginella, Isoetes

7

How many species of Lycopodium are there?

200

8

What are the features of Lycopodium?

Elingulate leaves, homosporous, Gametophytes may be subterranean

9

How many species of Phylloglossum are there?

one in Australia

10

What are the features of Selaginella?

Lingulate microphylls,have strobili, heterosporous

11

How many species of Selaginella are there?

700, mostly tropical

12

What are the features of Isoetes?

Lingulate microphylls, heterosporous, mostly aquatic. at first leaves bear megasporangia, then later in life bear microsporangia