Showing 1-13 of 13 assets

The Chemistry of Flowers

Date : 05/06/2011

Clip Length : 00:05:58

This NBC Learn video explains the basic role of pigment molecules -- carotenoids and anthocyanins -- in producing what humans see as color in flowers, as the pigment molecules absorb visible light of various color wavelengths.

The Chemistry of Flowers
For Want of a Pollinator, a Flower May Be Lost -- or a Forest

Date : 02/04/2011

Clip Length : 3

This 2011 "Scientific American" article cites a survey in New Zealand linking sharply diminished populations of a particular flowering shrub to the extinction of several species of birds that were the shrubs' chief pollinators. Source: Scientific American, February 4, 2011

For Want of a Pollinator, a Flower May Be Lost -- or a Forest
Origin of U.S. Fresh Flower Imports: Top 6 Countries

Date : 01/01/2011

Clip Length : 1

Color pie chart showing percentage (by value) of fresh flowers in the U.S. imported from the top six flower-exporting countries: Colombia, Equador, Netherlands, Costa Rica, Mexico and Canada. Data Source: Society of American Florists, December 2010

Origin of U.S. Fresh Flower Imports: Top 6 Countries
Origin of U.S. Fresh Flower: Top 6 Fresh Flower Growing States

Date : 01/01/2011

Clip Length : 1

Color pie chart showing percentage of fresh flowers in the U.S. coming from the top six fresh flower-producing states: California (75%), Washington, Oregon, New Jersey, Hawaii and Florida. Data Source: Society of American Florists, December 2010

Origin of U.S. Fresh Flower: Top 6 Fresh Flower Growing States
Floral Footprint: The Real Price of Flowers

Date : 07/13/2009

Clip Length : 3

This 2009 "Scientific American" article outlines the carbon dioxide emissions from hothouses, refrigeration and global transportation used by the international cut-flower industry, and reports on more eco-friendly initiatives and alternatives, including buying local field-grown flowers. Source: Scientific American, July 13, 2009

Floral Footprint: The Real Price of Flowers
Why Do Flowers Have Scent?

Date : 04/18/2005

Clip Length : 1

This 2005 "Scientific American" article report explains why flowers produce a scent (to attract and signal its specific pollinators), and why no two floral scents are exactly the same (diversity of volatile compounds). Source: Scientific American, April 18, 2005

Why Do Flowers Have Scent?
Death Valley Comes to Life With Flowers, Color

Date : 03/16/2005

Clip Length : 00:01:56

After heavy and sustained rainfall in 2005, Death Valley, California -- normally one of the hottest, driest places on earth -- springs to life with 75 species of wildflowers.

Death Valley Comes to Life With Flowers, Color
Rose Family (Illustration)

Date : 01/01/1902

Clip Length : 1

Reproduction of color plate with drawings of flowering plants in the rose family; from the New International Encyclopedia (1902)

Rose Family (Illustration)
Mountain Plants Family (Illustration)

Date : 01/01/1902

Clip Length : 1

Reproduction of color plate with drawings of flowering plants in the mountain plants family; from the New International Encyclopedia (1902)

Mountain Plants Family (Illustration)
Liliaceae Family (Illustration)

Date : 01/01/1902

Clip Length : 1

Reproduction of color plate with drawings of flowering plants in the lily (liliaceae) family; from the New International Encyclopedia (1902)

Liliaceae Family (Illustration)
Iris Family (Illustration)

Date : 01/01/1902

Clip Length : 1

Reproduction of color plate with drawings of flowering plants in the iris family; from the New International Encyclopedia (1902)

Iris Family (Illustration)
Chrysanthemums Family (Illustration)

Date : 01/01/1902

Clip Length : 1

Reproduction of color plate with drawings of flowering plants in the chrysanthemum family; from the New International Encyclopedia (1902)

Chrysanthemums Family (Illustration)

Date : 01/01/1883

Clip Length : 1

Four-stanza poem by Scottish poet Robert Louis Stevenson.

"The Flowers" -- Robert Louis Stevenson

Showing 1-13 of 13 assets

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