Deciduous trees/shrubs 1

What is the family name of maple?

Sapindaceae

sapindaceae aka ___ gets its name from the many species used to manufacture soap

soapberry family

the sapindaceae contains about ___ genera and some ___ species

140, 1800

____ (maple) is one of the largest genera in Sapindaceae

Acer

____ from the Latin name for the Maple, also meaning sharp, possibly a reference to its use as a lance or its hardwood

Acer

Acer (maple) has about 150 species of ___ or ___ trees, some small shrubs

deciduous, evergreen

What are the leaves like on Acer trees?

opposite, usually simple and palmately lobed and veined, sometimes pinnately compound (like negundo)

What are the flowers like on Acer trees?

small, in terminal or axillary clusters, not showy

What is the fruit like on Acer trees?

samara (two winged seeds joined together, helicopter), separate when shed, one seed per fruit

What are the ABSOLUTE ID traits of Acer trees?

opposite leaves and winged samaras

Types of landscape maple trees:

tall shade tree, small to medium-sized, and Japanese

In the US, Acer ___ (___ maple) and Acer ___ (___ maple) are now the prominent and important maples

rubrum/red, saccharum/sugar

What are some common names for Acer rubrum?

Scarlet Maple, Red Maple, Swamp Maple

Where is starkville, ms on the plant hardiness zone map?

zone 8a

What are the leaves like of an Acer rubrum?

opposite, simple, triangular ovate lobes

What are the buds like on an Acer rubrum?

imbricate, blunt, scaled, rounded scales

Acer rubrum has ___ colored flowers

red (how it gets its name “red maple”)

(Acer rubrum) ___ (pollen) flowers and ___ (seed) flowers often on different branches of the same tree, young trees may have only one type of flower

male, female

Acer rubrumhas ___ fruit that has wings and sheds by early summer

Samara

Young Acer rubrum trees have ___ bark, while old trees have ___ bark

smooth light gray

dark gray/gray-brown, rough

What kind of shoots does Acer rubrum have in winter?

long shoots with short shoots (no leaf, flower, or fruit)

What are Acer saccharum’s common names?

sugar maple, rock maple, hard maple

____ is the Latin name for sugar cane

saccharum

____ is the national tree of Canada

Acer saccharum

What type of leaves does Acer saccharum have?

opposite, simple leaf, acuminate tip with cordate base

What are the buds like on an Acer saccharum?

cone-shaped with hairs

What are the flowers like on an Acer saccharum?

perfect, small, without petals

What is the fruit like on an Acer saccharum?

Samara (matures in sept-oct)

What is the bark like on an Acer saccharum?

young: smooth, gray-brown

older: thick plates/ridges, deeply furrowed

Acer x freemanii (Freeman maple) is a hybrid between which two maples?

A. rubrum (red maple) and A. saccharinum (silver maple)

What is the Acer freemanii named after?

Oliver M. Freeman of the US National Arboretum

the Acer freemanii hybrid is an example of what type of hybrid?

interspecific (two diff species of same genus)

What is the common name for Acer palmatum?

Japanese maple

What are the growth habits of an Acer palmatum?

single-stemmed small tree or multi-stemmed shrub

____ is one of the most flexible maple species

Acer palmatum

Acer palmatum show diverse form in both ___ and ___

leaf, plant habit

What are the two groups of cultivar?

non-dissected (atropurpureum group, tree/leafy) and dissectum (shrubby, fern like)

What are the leaves like of an Acer palmatum?

opposite, simple, deeply cut lobes

What are the buds like on an Acer palmatum?

small, often double or terminal buds, green or red

What are the flowers like on an Acer palmatum?

small, red to purple, arching-pendulous

What are the fruits of the Acer palmatum?

Samara (long, spread at an obtuse angle)

What is the common name for Acer negundo?

boxelder

What are the leaves like for Acer negundo?

opposite, composite, pinnate or trifoliate

What are the buds like on an Acer negundo?

waxy surface on stems, covered with silky hairs

What type of flowers does the Acer negundo have?

dioecious (have both male and female plants)

What are the fruits like on an Acer negundo?

Samara in long narrow clusters

What is the scientific name for American Sweetgum?

Liquidambar styraciflua

Why is Liquidambar styraciflua called sweetgum?

it has a sweet, gummy sap that Native Americans use

What are the diseases of Liquidambar styraciflua?

bleeding necrosis, leaf spots, webworm

What are the leaves like of a Liquidambar styraciflua?

alternate, simple, 5-7 lobes, star-shaped

What are the buds like of a Liquidambar styraciflua?

sometimes fragrant when crushed, reddish green-brown

What are the flowers like of a Liquidambar styraciflua?

monoecious (either male or female, not both)

What are the fruits like of a Liquidambar styraciflua?

syncarp of dehiscent capsules (good ID feature**)

What are the seeds like of a Liquidambar styraciflua?

fruit surface openings release winged seeds

What are the stems like of a Liquidambar styraciflua?

pith (star-shaped solid, white, or brownish)