FNRM 1101 Dendrology Exam 3 Exam Questions And 100%
Correct Answers
Toxicodendron vernix - ANSWER Plant with sap called urushiol that causes sensitivity in
humans and is browsed by animals
Exotic and invasive species - ANSWER Acer platanoides, Acer ginnala, and Ailanthus
altissima
Toxicodendron genus - ANSWER Genus of plant to which Toxicodendron vernix belongs
Acer negundo - ANSWER Maple species that is tree-like, has large pinnately compound
leaves, and turns scarlet in the fall
Fraxinus nigra - ANSWER Species of ash tree with hard wood and figured patterns
Rhus typhina - ANSWER Species that is an aggressive colonizer of open fields, scarlet in
fall, fruit used to make a tart lemonade-like drink
Zanthoxylum americanum - ANSWER Species with large pinnately compound leaves
often tomentose on the stem and fruit used to make a tart lemonade-like drink
Acer saccharum - ANSWER Maple species with buds and twigs brown, terminal bud
pointed, autumnal seeder, wood hard, samaras form a 'U', sinuses 'U' shaped
Acer rubrum - ANSWER Maple species with buds and twigs red/green, terminal bud
rounded, vernal seeder, wood softer, samaras form a 'V', sinuses 'V' shaped
Acer pensylvanicum - ANSWER Native maple in Minnesota's north woods
, Acer rubrum - ANS Scientific name of the maple with intermediate tolerance, abundant
across a wide variety of soil and landform types, and lives up to a maximum of 150 years
Sugar maple - ANS Maple species with dense wood, hardest of maples, or figured
patterns, commercially more valuable than any other maple
Bigleaf maple - ANS The only western maple of economic importance
Maple samaras - ANSWER Various samaras of maple, ash, ailanthus, northern catalpa
Sugar maple - ANSWER Species with orange, red, or yellow fall color, chestnut brown
twigs, chestnut brown pointed buds, and can live to 400 years
Red maple - ANSWER Common bottomland species with simple leaves which turn a dull
yellow in fall and twigs with odor of decaying leaves, dirty dish rags, or pumpkin guts
Silver maple - ANSWER Prolific seeder with poor form, green or purple twigs, and a
glaucous bloom
Sugar maple - ANSWER Species with the widest tolerance of climatic conditions, making
it one of the most abundant and widespread trees in North America
Bigleaf maple - ANSWER Species with orbicular, palmately 5-lobed leaves, paired
autumnal samaras with pubescence, stout reddish to greenish-brown twigs, and
primarily found in riparian areas near the Pacific Ocean
Eucalyptus - ANSWER Genus with, to date, about 700 species ranging from small shrubs
to trees over 200 feet tall, native primarily to Australia, New Guinea, or Indonesia and
widely planted in California and Florida for its fiber