5: Floriculture and garden plants

What are the characteristics of catkins in River Birch?

Male catkins hang down, female catkins stand up.

What type of leaves does the River Birch have?

Simple alternate leaves with a double serrated margin.

What is a unique feature of Crossvine leaves?

technically trifoliate or bi-pinnated compound leaves, but bottom two leaves are reduced to tendrils.

Describe the flower structure of the Crossvine.

It has a trumpet flower with 5 petals and didynamous stamens.

What are the leaf characteristics of the Redbud?

Cordate leaves, simple and alternate, with swollen petioles on both ends.

describe the basic morphology of Red bud flowers

flowers have wings and keel and cluster on old stems.

What are the leaf characteristics of Caryophyllaceae plants?

Simple, opposite leaves with swollen nodes.

What are the flower characteristics of the Caryophyllaceae family?

petals have wavy or serrated/dissected margins

What is a notable feature of Poinsettias

Bracts/terminal leaves are the ornamental parts that change color when they flower.

What is a notable characteristic of the Euphorbiaceae family

Milky latex

What is a unique requirement for Gladiolus to flower?

They must go through cold stratification

What are the two types of inflorescence in Hydrangeas?

Lacecaps and Mopheads.

what are lacecap inflorscence

Ray flowers on the outside of inflorescence and disk flowers on the inside.

What are the characteristics of Chinese Holly leaves and overall plant structure?

Simple alternate leaves, unisexual and dioecious.

Leaf characteristics of Lythraceae family

subopposite leaves

notable characteristic of Liliaceae flowers

flowers in all 3's

key identifying feature of Magnoliaceae

branches always have stipule rings

characteristics of magnoliaceae flowers

solitary and in 3's with gynoecium pedicles (gap between stamen and pistils)

3 characteristics of Southern Magnolia

Brown underside of leaves, glossy and leathery texture, and aggregate fruit

2 characteristics of Long Leaf pine

3 needles and scaly bark

difference between white oak group and red oak group

white has rounded lobes and the acorn matures in one year while red has pointed lobes and the acorn takes more than one year to mature

inflorescence of fagaceae

catkins

fruit of oaks

acorn

key characteristic of Rosaceae flowers

hypanthium

what is a hypanthium

sepals petals and stamens grow on the same spot on a receptacle

3 characteristics of a rose

prickles, pinnate compound leaves, ovary is superior because hypanthium is open