Plant List 2a (Lower coniferous evergreens) Flashcards
Name both yews on list 2a with their binomial names in order of height.
Taxus x media ‘Densiformis’ (3-4’)
Taxus x media ‘Wardii’ (6-8’) BUT often pruned to less than 2’
3 features of Taxaceae family:
- shrubs or trees
- fleshy arils
- leaves alternate, simple, linear or linear lanceolate, flattened leaves
Which genus is among the most toxic of plants? What part of these plants is the only part that is not deadly?
Taxus, toxin Paclitaxel (Taxol). Aril is not poisonous in small doses.
What are the 2 family names on list 2a?
Taxaceae, Cupressaceae
What are the 3 genus names on list 2a?
Chamaecyparis, Taxus, Thuja
Which of the yews would be considered fine textured?
Ward’s Yew (Taxus x media ‘Wardii’)
What kind of soil do yews on list 2a like?
moist, sandy, acidic to neutral loam; must be well drained
What light conditions do yews on list 2a like?
full sun to partial shade; can tolerate lower light than most evergreens
Genus Chamaecyparis is the genus of the:
false cypress
Give 3 (of 4) possible uses for yews:
- screen
- foundation planting
- topiary
- tolerates urban pollution
When do arils appear?
Late fall
What are 2 ID characteristics of Cupressaceae?
- droopy pendulous branching habit, especially ornamental cultivars
- thrive best in moist, cool sites, protected from drying winds
What are the scientific and common names of the 2 Chamaecyparis genus plants on list 2a
Chamaecyparis pisifera ‘Filifera’; Threadleaf Sawara False Cypress
Chamaecyparis obtusa ‘Crippsii’; Cripp’s Hinoki False Cypress, Cripp’s Japanese False Cypress
Threadleaf Sawara false cypress and Hinoki false cypress are native to:
Japan
List the false cypresses on list 2a in order of increasing height
Chamaecyparis obtusa ‘Crippsii’ (8-10’)
Chamaecyparis pisifera ‘Filifera’ (25-35’)
What is the branching habit and bark of Threadleaf Sawara False Cypress?
- Long, stringy branches, branches tend to be horizontal with secondary drooping branches,
- peeling bark usually hidden by foliage
What is the preferred soil condition of the Threadleaf Sawara False Cypress?
acidic, loamy, well drained
The false cypresses on list 2a like _______ lighting conditions
full sun
3 ID features of Cripp’s Hinoki False Cypress
- Broad pyramid shaped, open,
- nice winter colour, scales are yellowish, nice in sunlight
- distinctive seed cones (tumerous little balls)
What should you protect Cripp’s Hinoki False Cypress from?
strong winds
Name the 3 plants on list 2a in genus Thuja in order of increasing height
Thuja occidentalis ‘Golden Globe’; Golden Globe cedar
Thuja occidentalis ‘Smaragd’; Emerald cedar
Thuja occidentalis; Eastern White Cedar/Eastern Arborvitae
What is the ID difference between false cypresses and cedars on this list?
Cedars do not have the XY markings on their foliage
3 facts about Thujas:
- varied size and foliage,
- many species native;
- widely used in ornamental landscape and naturalized landscapes
This is the cedar that grew by my elementary school, identifiable by:
Thuja occidentalis, ID by small, scale like, dark green foliage. in winter may turn dull yellowish green or brown
