Plant Science - Stem Adaptations Flashcards
Which adaptations help plants access light and give them support?
Tendrils
Woody stems
Twining stems
Wood gives strength to plants stems, letting them grow large and tall. What is the type of wood that grows in response to strong winds and the pull of gravity?
Reaction wood.
Which plant has attractive bark and winter interest?
Acer griseum
Which plant is pruned for bright stems in winter?
Cornus alba ‘Sibirica’
Which plant is trained up trellises?
Passiflora caerulea
Which plant has early spring flowering?
Crocus versus
Which plant has pleasant scent in high traffic areas?
Lavandula angustifolia ‘Hidcote’
What are thorns?
Sharp, modified shoots to protect against herbivores.
Name a plant that has thorns.
Crataegus monogyna
Why are thorns useful in the garden?
Act as a barrier
A habitat for wildlife
Name a benefit of hollow and flaky stems.
Provides shelter for invertebrates
What can grow on bark?
Mosses and lichens
What role can climbing and thorny plants have for biodiversity?
Can shelter insects and birds
Create nesting spots
How do some plants deter animals?
Essential oils in their tissues
Why is it advisable to wear gloves when handling plants with glandular hairs and bristles?
They can cause skin irritation. They can also have a sticky feel.
What is a stem tuber?
Swollen stem for storage
What is a corm?
Compressed stem
What is a rhizome?
thickened, underground stem
What is a stolon?
horizontal stem, roots at nodes/tip
What do tubers, corms and rhizomes allow plants to do through winter?
Perennate and survive from one season to the next.
How do tubers, corms and rhizomes store energy?
As starch
True or False: Horticulturists can take advantage of stem adaptations to propagate plants through methods such as division, layering, cuttings and separating small plants, corms and tubers from the main plant.
True.
The stems of cacti are adapted to do two things. What are these?
Photosynthesise,
Store water
