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Thank you for your interest in continuing education at the Morris Arboretum!

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Behind the Scenes Research: Sex Evolution in Plants (February 12, 7-8pm)
Dr. Cindy Skema
Botanical Scientist

Dioecy, the condition in plants where male individuals are separate from female individuals, is rare in the Plant Kingdom, but has evolved repeatedly in independent lineages. This lecture will discuss both the similarities and differences in these evolutionary shifts, and possible selective pressures related to them. Dr. Skema will share with us her current research on a case study of the evolution of dioecy in ribbonwood (Plagianthus), a mallow endemic to New Zealand. Anatomical and genetic data of floral development in ribbonwood will be presented, and explained for a lay audience, as a means to show how and when males stop being females and vice versa in this interesting plant system. Botany novices and geeks alike are welcome!

Thursday, February 12
7-8 p.m.
Single class scheduled on 2/12/2015 at 7:00PM
 
Attendees: 1 $20.00 ea.
Attendees: 1 $25.00 ea.

Winter Tree Identification (March 18, 10am-12pm) (Class is Full)
Tim Block
The John J. Willaman Director of Botany, Morris Arboretum

And you thought that all trees look alike in winter! Learn to see both the obvious as well as the more subtle characteristics that make winter identification interesting. The class will begin indoors with a lecture introducing essential identification techniques and a review of important winter characteristics such as bud morphology, habit, leaf and bundle scars, bark, and fruit. The group will then move outside for a stroll through the Arboretum to put your knowledge to work. Dress for the weather.

Wednesday, March 18
10 a.m.-12 noon
Single class scheduled on 3/18/2015 at 10:00AM
 
Attendees: 1 $25.00 ea.
Attendees: 1 $30.00 ea.

The Rose Family (April 14, 10am-2pm)
Dr. Ann Rhoads
Retired Director of Botany, Morris Arboretum

In the Pennsylvania flora, the Rose Family is made up of 28 genera (144 species) of woody and herbaceous plants. Growth form ranges from canopy trees in the forest to common wildflowers of fields and woods. The Rose Family is important to wildlife through the processes of pollination and seed dispersal. It also includes important fruit and ornamental crops. In Pennsylvania the family includes one federally listed threatened species and 23 or 24 (1 with 2 varieties) that are tracked by the Pennsylvania Natural Heritage Program. The Rose Family is a well-defined unit that holds up to recent molecular studies. We will try to understand what holds the family together as well as the characteristics that allow us to recognize individual genera and species. Please bring your lunch and something to drink.

Tuesday, April 14
10 a.m.-2 p.m.
Single class scheduled on 4/14/2015 at 10:00AM
 
Attendees: 1 $60.00 ea.
Attendees: 1 $65.00 ea.

Fungi and Plants: A Love-Hate Relationship (April 28, 7-8pm)
Jacob Golan
Plant Protection Intern, Morris Arboretum

Fungi are some of the most overlooked organisms, despite making up 25% of the world's biomass, being a major workhorse in most functioning ecosystems, and having an estimated 1.5 to 5 million species on Earth. Fungi are also remarkable for their interconnectedness with other life forms, from beneficial symbioses to deadly pathogen attacks. This lecture will focus on the interrelationships between fungi and plants by exploring the unique natural history and ecology of fungi. We will discover how fungi are present in our everyday life, from issues in sustainable agriculture to renewable energy and even home gardening.

Tuesday, April 28
7-8 p.m.
Single class scheduled on 4/28/2015 at 7:00PM
 
Attendees: 1 $20.00 ea.
Attendees: 1 $25.00 ea.

Spring Botany at Hickory Run State Park (May 19, 8am-5pm) (Class is Full)
Tim Block
The John J. Willaman Director of Botany, Morris Arboretum

Listed as one of the '20 Must-See State Parks' by the Pennsylvania Department of Conservation and Natural Resources, Hickory Run State Park is a gem to those who enjoy scenic views. This 15,990 acre park is nestled in the Pocono foothills of Carbon County and hosts a wide variety of natural resources and geologic interest, including the Boulder Field that has been deemed a National Natural Landmark. Join us as we explore these unique geologic features, learn how they came to be, and investigate their relationship with the botanical landscape. Meet at the Morris Arboretum. We will travel by van. Park in the meadow to the left of the entrance kiosk. Bring sunscreen, bug repellent, water, and lunch. Please wear sturdy shoes or boots for walking over uneven surfaces.

Tuesday, May 19
8 a.m.-5 p.m.
Single class scheduled on 5/19/2015 at 8:00AM
 
Attendees: 1 $75.00 ea.
Attendees: 1 $80.00 ea.

2013 Morris Arboretum · 100 E. Northwestern Avenue, Philadelphia, PA 19118 · 215-247-5777