Module 6

Alchemilla mollis after the rain. Image Source: Linda N.

Announcements

Learning Objectives

• Describe the ID characteristics of the plant species covered this week.
• Identify the strengths and weaknesses of this weeks plant species.
• Define the terms associated with plant species covered this week

Terms-To-Know

• needle-like foliage
• scale-like foliage
• awl-like foliage
• fleshy cone, berry-like cone
• juniper oil
• diuretic
• zigzag rachis

Crocosmia X crocosmiiflora. Image Source: Xerones

Plant List

ASTERACEAE
Leucantheum X superbum - Shasta Daisy
Rudbeckia fulgida - Orange Coneflower*

CUPRESSACEAE
Juniperus chinensis 'Nick's Compact' - Nick's Compact Juniper
Juniperus horizontalis 'Wiltoni' - Blue Rug Juniper
Juniperus procumbens 'Nana' - Dwarf Japanese Garden Juniper
Juniperus squamata 'Blue Star' - Blue Star Juniper

IRIDACEAE
Crocosmia X crocosmiiflora - Crocosmia or Montbretia

ROSACEAE
Alchemilla mollis - Lady's Mantle
Potentilla X bicolor 'Gibson's Scarlet' - Himalayan Cinquefoil
Spirea X bumalda 'Anthony Waterer' - Anthony Waterer Spirea

SAXIFRAGACEAE
Hydrangea arborescens 'Annabelle' - Smooth Hydrangea*
Hydrangea quercifolia - Oakleaf Hydrangea*

*Indicates Native Species

Shasta daisies. Image Source: bcballard

Reading Assignment

• pages in textbooks related to this weeks plant materials
• Review pictures of each species in Family Photo Album

Study Questions (10 pts, answer in complete sentences)

1. There are several genera of Alchemilla that are used in the landscape. What is probably the quickest way to identify Alchemilla mollis in side-by-side comparison with A. alpina, A. ellenbeckii, A. erythropoda, and A. glaucescens.
2. Crocosmia x crocosmiiflora is available in many different cultivars. Choose three cultivars that you sound interesting and briefly discuss their strength's and weaknesses.
3. A client loves their Crocosmia hybrids and want to know how to plant more. Explain propagation and plant maintenance procedures for this species.
4. What does Shasta daisy have in common with Delphinium and Lupine?
5. What growth habit allows Rudbeckia fulgida to rapidly form colonies? What are the different ways this species can be propagated?
6. Hydrangeas have an unusual inflorescence. Explain to the uninitiated the difference between sterile and fertile flowers that constitute the inflorescence of several different Hydrangea species.
7. Discuss some of the rewards and challenges of using Hydrangea quercifolia in the landscape.
8. Juniper is one of the most diverse and varied genera in the CUPRESSACEAE family. Describe the variation in landscape habitat that these species are adaptable to.
9. Differentiate between Juniperus horizontalis 'Wiltoni' and Juniperus procumbens 'Nana'.
10. What are some environmental limitations of using Juniperus squamata 'Blue Star' in the landscape?
    

Extra Credit (list the correct definition of each botanical term below, +1 each)

• mollis
• fulgida
• quercifolia

Hydrangea quercifolia. Note sterile and fertile flowers. Image Source: meshmar2