| The pileus is the cap seen on many varieties of these chlorophyll-lacking organisms |
mushrooms |
200 |
November 17, 2014 |
| This flower in the primrose family comes in red, blue & white varieties as well as "the scarlet" one |
a pimpernel |
400 |
November 17, 2014 |
| (Kelly of the Clue Crew stands in front of a tree in Cambodia.) The banyan tree, common in Asia, sends out roots that become new trees; botanically, it's a fig tree & it's part of this genus whose American versions are a little tamer |
<i>Ficus</i> |
600 |
November 17, 2014 |
| The duke is a hybrid of the sweet & sour varieties of this fruit tree |
a cherry tree |
800 |
November 17, 2014 |
| This lovely flower is from the Greek for "water vessel" |
hydrangea |
1000 |
November 17, 2014 |
| From the Latin for "cap", the pileus is the circular cap on one of these fungi |
a mushroom |
200 |
April 6, 2010 |
| A xerophyte is a plant adapted to living in places where there is a shortage of this |
water |
400 |
April 6, 2010 |
| Field peas usually have reddish-purple blossoms; garden peas have blossoms mostly of this color |
white |
600 |
April 6, 2010 |
| Southern or giant cane can reach heights of 20 feet & is a type of this tall grass |
bamboo |
800 |
April 6, 2010 |
| Petunias belong to this scientific family, as do tomatoes and bell peppers |
nightshades |
1000 |
April 6, 2010 |
| Auxin is a growth type of this substance; it regulates plant growth, especially in stems |
hormone |
200 |
May 16, 2007 |
| Canada wild rye isn't liquor from Yukon but this type of plant of the genus Elymus |
a grass (grain accepted) |
400 |
May 16, 2007 |
| This plant of the genus Ah-Ah-Ambrosia sheds pollen in great ah-ah-abundance |
ragweed |
600 |
May 16, 2007 |
| This small carpeting plant is also reputed to show up on the north sides of trees, but that's an alga |
moss |
800 |
May 16, 2007 |
| (Cheryl of the Clue Crew indicates a flower.) The color of a hydrangea's flowers can be determined by the level of this in the soil; above 6 for pink flowers, lower for blue |
acid |
1000 |
May 16, 2007 |
| The flowers of this lawn weed, Taraxacum oficinale, are sometimes used to make wine |
dandelions |
200 |
February 19, 2007 |
| The common species of this prairie flower, Helianthus annuus, can reach a height of 15 feet |
sunflower |
400 |
February 19, 2007 |
| About 3/4 of U.S. plantings of this palm fruit are of the Deglet Noor, a semidry variety |
dates |
600 |
February 19, 2007 |
| Reproducing by means of spores, the only tree with no flowers, fruits or seeds is called the tree type of this |
fern |
800 |
February 19, 2007 |
| Prized for its oil, this evergreen shrub of the American southwest is also known as the goat nut |
Jojoba |
1000 |
February 19, 2007 |
| Growers of this pitted red pie fruit plant mulberry trees near their orchards to entice birds away |
cherries |
200 |
February 7, 2005 |
| (Cheryl of the Clue Crew reports from a ski slope.) The bristlecone variety of this tree is the oldest type of living tree in the U.S., and can live 4,000 years or more |
a pine |
400 |
February 7, 2005 |
| Maidenhair, Bracken, & Boston are species of this spore-bearing plant |
a fern |
800 |
February 7, 2005 |
| Flowering plants range in size from the duckweed at 1/50" long to this Australian gum tree that reaches 300 feet in height |
a eucalyptus tree |
1000 |
February 7, 2005 |
| His garden at Altbrunn Monastery included several pairs of yellow peas, each with a different trait |
(Gregor) Mendel |
|
February 7, 2005 |
| Of tulips, lilacs or daffodils, the flower not grown from a bulb |
lilacs |
200 |
October 9, 2002 |
| From the Latin for "foliage", it's the large, divided leaf of ferns & some palms |
frond |
600 |
October 9, 2002 |
| This tree disease is caused by a fungus, Ophiostoma ulmi, that is spread by 2 species of bark beetles |
Dutch elm disease |
800 |
October 9, 2002 |
| It's the tallest of all grasses; one type grows to 120 feet with a stem circumference of 3 feet |
bamboo |
|
October 9, 2002 |
| Unlike these honey makers, most butterflies don't eat the pollen they collect |
bees |
100 |
May 26, 1997 |
| Tulips are said to have tepals because these colorful flower parts look just like the sepals |
petals |
200 |
May 26, 1997 |
| It ranks second only to sugarcane as the major source of the world's sugar |
sugar beet |
300 |
May 26, 1997 |
| These slender coils that vines use for support & climbing are actually modified leaves |
tendrils |
400 |
May 26, 1997 |
| These plants & trees are named for the fact that they keep their color & foliage throughout the year |
evergreens |
500 |
May 26, 1997 |
| Peyote, hedgehog & pincushion are types of this desert plant |
cactus |
100 |
September 30, 1993 |
| Sometimes growing to 20 feet, higher than "an elephant's eye", it's the largest of the cereals |
corn |
200 |
September 30, 1993 |
| The name of the poisonous jimsonweed came from a corruption of this colony's name |
Jamestown |
300 |
September 30, 1993 |
| For magic charms the Druids used this "Christmas" parasite that grew on sacred oak trees |
mistletoe |
400 |
September 30, 1993 |
| This grain is grown over more of the earth's surface than any other food crop |
wheat |
500 |
September 30, 1993 |
| This external covering on the giant sequoia is over a foot & a half thick |
bark |
100 |
July 21, 1993 |
| Honey guides, spots or lines on flower petals, direct insects to this sugary substance |
nectar |
200 |
July 21, 1993 |
| Fungi such as mushrooms differ from green plants in that they don't contain this pigment |
chlorophyll |
300 |
July 21, 1993 |
| The potato is an example of this short, swollen part of a stem that grows underground |
a tuber |
400 |
July 21, 1993 |
| The offspring of 2 genetically different parents are called these, like some popular roses |
hybrids |
|
July 21, 1993 |
| A large funnel-shaped flower native to Argentina, or Porky Pig's girlfriend |
Petunia |
100 |
March 3, 1993 |
| The Easter species of this plant has waxy white flowers shaped like a trumpet |
lily |
200 |
March 3, 1993 |
| Varieties of this plant include Bracken, Royal & Boston |
fern |
300 |
March 3, 1993 |
| The stems of this giant Arizona cactus are used by elf owls & woodpeckers for their nests |
Saguaro |
400 |
March 3, 1993 |
| These legumes are the USA's largest source of vegetable oil |
soybeans |
500 |
March 3, 1993 |
| Pollination by these is called ornithophily |
birds |
100 |
February 4, 1993 |
| An epiphyte is a plant that doesn't have these in the soil; it's supported by another plant |
roots |
200 |
February 4, 1993 |
| It's actually a modified reduced branch if you get our point...& rose gardeners do |
thorn |
300 |
February 4, 1993 |
| A fertilized ovule develops into one of these |
seed |
400 |
February 4, 1993 |
| It's the process by which a scion is put on a stock |
grafting |
500 |
February 4, 1993 |
| Of peonies, hyacinths or tulips, the one not grown from bulbs |
peonies |
100 |
April 17, 1992 |
| A member of the violet family, its name is a corruption of pensee, the French word for "thought" |
pansy |
200 |
April 17, 1992 |
| The flowers of this member of the water lily family are sacred to Buddhists |
lotus |
300 |
April 17, 1992 |
| Gardeners use this spongy & absorbent moss to keep young plants from drying out |
peat moss |
400 |
April 17, 1992 |
| Members of this plant family include peas, clover & lentils |
legume |
|
April 17, 1992 |
| The scientific name of this vegetable is Rheum rhabarbarum |
rhubarb |
100 |
November 8, 1991 |
| Kelp, the largest seaweed known, is a brown form of this primitive plant |
algae |
200 |
November 8, 1991 |
| Shortly after formulating the principles of heredity, he became abbot of Brunn Monastery |
Mendel |
300 |
November 8, 1991 |
| This fungal tree infection, Ceratocystis ulmi, was 1st identified in the Netherlands around 1919 |
Dutch elm disease |
400 |
November 8, 1991 |
| This fragrant flower is named for the youth Apollo accidentally killed with his discus |
Hyacinth |
500 |
November 8, 1991 |
| Type of plant that comes in varieties, like fescue & Bermuda |
grass |
100 |
June 13, 1991 |
| This plant produces creamy white flowers that turn purple, then drop off & leave the bolls |
cotton |
200 |
June 13, 1991 |
| If this nut used in marzipan looks a bit like a peach pit, it's because the 2 are related |
an almond |
300 |
June 13, 1991 |
| A member of the pea family, its flowers cover vast areas of Texas each spring |
the bluebonnet |
500 |
June 13, 1991 |
| It's the most widely planted fruit or vegetable in home gardens in the U.S. |
a tomato |
|
June 13, 1991 |
| The only garden flower listed under "E" in the World Book is this holiday flower |
Easter lily |
100 |
May 10, 1988 |
| To avoid freezing, experts recommend watering your flowers during this part of a winter day |
morning |
200 |
May 10, 1988 |
| The jimsonweed, a poisonous weed of N. America, derives its name from this Early American settlement |
Jamestown |
300 |
May 10, 1988 |
| Though botanical garden is used as a synonym, a true arboretum limits its collection to these plants |
trees |
400 |
May 10, 1988 |
| It's this substance, trapped in the dying leaves of maples, that turns them those fiery colors |
*sugar (**anthocyanin) |
500 |
May 10, 1988 |
| Any plant that grows where people don't want it to grow is by definition one of these |
weed |
100 |
April 18, 1988 |
| The teddy bear cholla is this type of plant |
cactus |
200 |
April 18, 1988 |
| The bush called "Capparis spinosa" gives up these flower buds, which are pickled & used to season food |
capers |
300 |
April 18, 1988 |
| During the night when photosynthesis stops, green plants release this gas into the atmosphere |
carbon dioxide |
500 |
April 18, 1988 |
| It's wise to know this attribute is shared by the needles of yew trees, mistletoe berries & rhubarb leaves |
they are all poisonous |
|
April 18, 1988 |
| The new white "Little Boo" pumpkins were bred to be carved into these & shouldn't be eaten |
jack-o\'-lanterns |
100 |
February 19, 1988 |
| Despite its name, this plant usually blooms after 10 to 15 years, not 100 |
century plant |
300 |
February 19, 1988 |
| It's the milky sap of the rubber tree |
latex |
400 |
February 19, 1988 |
| 2 products of the flax plant are linen & this oil produced from the seeds & used in art class |
linseed oil |
500 |
February 19, 1988 |
| Dandelion flowers are occasionally used to make this potent potable |
wine |
100 |
November 12, 1987 |
| When you speak of a plant's venation, you're referring to these |
veins in the leaves |
200 |
November 12, 1987 |
| The floss of this weed, named for the white liquid in its stems, was used in lifebelts in World War II |
milkweed |
300 |
November 12, 1987 |
| Cryptogams are not plants with secret meanings, but plants such as ferns that don't bear these |
seeds |
400 |
November 12, 1987 |
| Term for a non-indigenous plant, especially one grown in soil & climate different from the place of origin |
exotic plants |
500 |
November 12, 1987 |
| Many seed crops require bees for pollination, including this "Halloween" gourd |
pumpkin |
100 |
October 15, 1987 |
| Algology is the study of these |
algae |
200 |
October 15, 1987 |
| Along w/bacterial, this plant group that includes rusts & molds help decompose plant litter or forest floors |
fungi |
300 |
October 15, 1987 |
| "Old World" plants include all major cereal grains except this one |
corn |
400 |
October 15, 1987 |
| Broccoli, turnips, & cabbage are related to this plant whose seeds become a common condiment |
mustard |
500 |
October 15, 1987 |
| Term for plants that live for 1 year or 1 growing season |
an annual |
100 |
March 25, 1986 |
| Brazil nuts & peanuts are not really nuts, but these |
seeds |
200 |
March 25, 1986 |
| Of â
, â
, or â
, approximate amount of earth's land covered by forests |
â
|
300 |
March 25, 1986 |
| A paleobotanist deals with plants in this form |
fossil form |
500 |
March 25, 1986 |
| Title of the following, which is also a hardy annual climbing plant"I went to a dance just the other night / I saw a girl there she was out of sight / I asked a friend of mine who she could be" |
"Sweet Pea" |
|
March 25, 1986 |
| Originally from China, this fragrant evergreen was named for Dr. Alexander Garden |
gardenia |
100 |
March 6, 1986 |
| Belonging to the genus Helianthus, these yellow flowers actually turn to follow the sun's path |
sunflowers |
200 |
March 6, 1986 |
| The cob is actually the female flower of this cereal plant |
corn |
300 |
March 6, 1986 |