What are they? Maybe a species of Baccharis. Common names: Groundsel tree, Salt marsh elder, Sea myrtle (see description)

What are they? Maybe a species of Baccharis. Common names: Groundsel tree, Salt marsh elder, Sea myrtle (see description) http://plants.usda.gov/java/profile?symbol=BAHA&photoID=baha_005_avp.tif

http://www.alabamaplants.com/Whitealt/Baccharis_halimifolia_page.html

sample leaves, etc.
http://www.carolinanature.com/trees/baha.html

growing conditions, etc.
http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/baccharis_halimifolia.html
Hardiness Zones: 5 to 9
Habit: Semi-evergreen to deciduous
Growth Rate: Moderate
Site Requirements: Sun to partial shade; tolerates range of soil types, even poor fertility and wet sites
Height: 5 to 12 feet
Width: 5 to 7 feet
Texture: Medium
Form: Multi-stemmed, irregular, open, airy shrub; can become leggy
Flower/Fruit: Female plant is covered with cottony fruit that persists into early winter
Foliage: Alternate, simple leaves; 1 to 3"; coarsely toothed; bright green to gray-green; non-showy fall color
Comments: Drought, heat, and salt spray tolerant; native to coastal areas of eastern US; brittle wood; best used as filler or on edge of natural area
Cultivars: --