flori-, flor-, flora-, -florous

(Latin: flower; full of flowers, abounding in flowers; flora, plant life, plants of a general region or period)

floriferous
Having or producing flowers; especially, blooming freely.
floriferously
A reference to blooming abundantly with flowers or blossoms.
floriferousness
Bearing or being able to have many flowers.
florimania
A madness for flowers (or plants) in general or for one particular kind of flower (or plant).
florin
1. A gold coin first issued at Florence, Italy, in 1252.
2. Any of several gold coins similar to the Florentine florin, formerly used in Europe.
Etymology: from Old French florin, from Italian fiorino, from fiore. "flower"; from Latin florem. "flower".

The 13th century gold Florentine coin was stamped on the obverse side with the image of a lily, the symbol of the city and it was also the name of an English gold coin, from the late 15th century.

floriparous
1. Producing or bearing flowers.
2. Plants that normally bear fruit, producing secondary flowers instead of fruit.
florist (s), florists (pl)
1. A dealer, or dealers, whose job is to arrange and sell flowers.
2. A shop where flowers and ornamental plants are sold.
floristics
1. The study of the number, distribution, and relationships of plant species in one or more areas.
2. A branch of botany that is occupied with the types, numbers, distribution, and relationships of plant species in a particular area or areas.
floristry
A general term used to describe the professional floral trade.

It includes flower care and handling, floral design or flower arranging, merchandising, and the display of and flower delivery.

florivorous
Eating flowers or plant species.
florology
The study of flowers, their distributions, their development, etc.
floromancy (s) (noun) (no pl)
Divination with flowers or plants, including their colors, petals, and time and place of planting: Floromancy is the belief that flowers radiate vibrations and have curative properties in healing disease. Many omens concerning the gathering of flowers at Midsummer’s Eve have survived to modern times, and the “good luck” commonly attributed to the finding of a four-leaf clover falls into this category.

Floruit.
He [She] flourished.

Floruit, is often abbreviated as fl., and it is used to date the period of a person's prime of life, particularly when the exact birth and death dates are unknown.

florula, florule (s), florulae, florules (pl)
1. The flora of a small single environment.
2. Plants that grow in a small, confined habitat; for example, a pond.
flour
1. A white or brown powder made by crushing grains and used for making bread, cakes, pasta, sauce thickener, etc.
2. A fine, powdery foodstuff obtained by grinding and sifting the meal of a grain; especially, wheat, used primarily in baking.
3. Etymology: from flur, "flower"; the meaning "finer portion of ground grain" is from the mid-13th century, from the notion of flour as the "finest part" of meal (French fleur de farine), as distinguished from the coarser parts known as meal.

It was spelled flower until flour became the accepted form in about 1830 in order to end the confusion with the words.

In a 1691 book by Thomas Tryon, titled Wisdom's Dictates, there is a reference to "Milk, Water, and Flower"; while in John Milton's Paradise Lost in 1667, he wrote "O flours That never will in other climate grow."

—Compiled from Word Mysteries & Histories from Quiche to Humble Pie
by the Editors of The American Heritage Dictionaries; Houghton Mifflin Company;
Boston; 1986; page 88.