Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
What has synangia?
|
Psilotum
|
|
|
What has cauline sporangia?
|
Psilotum
|
|
|
What is the order of cortex (outer to inner) in Psilotum?
|
Chlorenkyma, Sclerenkyma, Parenkyma
|
|
|
What shape are the spores in Psilotum?
|
Kidney shaped
|
|
|
Where are sporophylls borne in Lycopodium?
|
Axils of sporophylls
|
|
|
What does the stele of Lycopodium have that Psilotum doesn't have?
|
wide outer layer of parenchyma (also its a plectosteele instead of akinosteele)
|
|
|
Which of the Microphyllophyta has a strobolis?
|
lycopodium
|
|
|
Where does the gametophyte come out in Lycopodium?
|
triradiate ridge of the spore wall
|
|
|
What is the arrangement and size of leaves on Selaginella?
|
anisophylly and 4 rows on stem
|
|
|
What is trabeculae in Selagenella?
|
wrinkled cells in the cortical cavity which form a connection between the outer cortex and stele
|
|
|
Where are sporangia borne in Selagenella?
|
in the axils of the sporophylls of the strobolis
|
|
|
What are near the axils and attached to the sporophylls of Selaginella?
|
ligules
|
