Ch22: Early Development of the Plant Body Flashcards
What do the integuments develop into?
Seed coat
What is the name of the stem like axis above the cotyledons? Below?
Above = epicotyl
Below = hypocotyl
What is the procambium the precursor of?
vascular tissues (xylem and phloem)
What arisis from the protoderm?
Epidermis
When will a dormant seed germinate?
Dormant seeds will never germinate, only quiescent seeds can germinate.
What is typically the first structure to emerge from a germinating seed?
The primary root to anchor the seed in the soil
What does hypogeous/epigeous mean?
Hypo: Cotyledons are below ground level
Epi: Cotyledons are above ground level.
What plant examples show hypogeous germination? Epigeous germination?
Hypo: Pea
Epi: Garden bean, castor bean, onion