List 6b (Tropical plants) Flashcards
Name the 3 families on list 6b (Tropical plants)
Asparagaceae
Commelinaceae
Araceae
What are 3 characteristics of the Commelinaceae family?
- Herbs, often succulent
- Closed sheath at end of leaf
- Flowers are perfect, bisexual, parts in 3s.
- Fruits = capsules
What is the binomial name of corn plant?
Dracaena fragrans
What pattern do the leaves of corn plant grow in?
Basal rosette, leaves eventually fall off from the bottom, leaving a bare trunk.
This is the soil condition for which two plants on list 6b?
loamy, peaty, well drained, drought tolerant; appreciates humid conditions; sensitive to cold temperatures. keep uniformly moist during growing season; give it a break in the winter
Dracaena fragrans
Dracaena reflexa
Which plant can be identified by its curved back leaves?
Dracaena reflexa
Reflexed dracaena
What is the binomial name of Madagascar dragon tree?
Dracaena reflexa var. angustifolia
Which dracaena is at the most risk of overwatering?
Dracaena reflexa var. angustifolia, Madagascar dragon tree
What is the binomial name of Ponytail Palm?
Beaucarnea recurvata
What is the large swollen base on the ponytail palm called?
Caudex
Ponytail palm is native to _____-_________ areas so it likes _____, ________ conditions.
semi-desert, dry, sunny
How does Yucca gigantea get its common name? What is its common name?
Spineless yucca gets its name because it has no visible spines along the leaf margins. if you feel it with your finger it does have miniature spines.
How could you get Dracaena fragrans, Dracaena reflexa, and Yucca gigantea to branch more?
Cut off top
Name all the plants in the Asparagaceae family on this list:
Dracaena fragrans, Corn plant
Dracaena reflexa, Reflexed Dracaena
Dracaena reflexa var. angustifolia, Madagascar dragon tree
Beaucarnea recurvata, Ponytail Palm
Yucca gigantea, Spineless yucca
Why is the inch plant called inch plant?
Nodes on plant tend to be ~1” apart
Binomial name of inch plant?
Tradescantia zebrina
Describe Tradescantia zebrina
- leaves are oval, sessile (no petiole)
- top is bluish green with 2 white stripes, underside of leaf is purple
- trailing stems
Inch plant should be shielded from ____ _____ _______, kept in ______ ____
high light intensity, filtered sun
What is the binomial name of purple heart?
Tradescantia pallida ‘Purpurea’
What is purple heart’s weakness?
Weak stems, should be sheltered from high winds
What colour will Tradescantia pallida ‘Purpurea’ turn when exposed to more sun?
More purple
Which plant can paralyze your vocal chords if consumed? Binomial and common name:
Dieffenbacchia spp. , Dieffenbacchia.
How can you tell Dieffenbachia and aglaonema appart?
D: Pattern of blotches is at the inside of the leaf, green around the rest of the leaf blade.
A: Pattern extends across entire leaf blade, leaves tend to be longer and narrower
What’s the binomial name of split-leaf philodendron?
Monstera deliciosa