Friday Fabulous Flower - White butterfly ginger

It's been quite awhile since the last FFF. This plant may have been featured before, but so what?  TPP knew the second he entered the greenhouse that this plant was in flower because of its fragrance, a very perfumed, somewhat heavy fragrance, but quite lovely and one of the best smelling flowers in our collection.  The butterfly ginger (Hedychium coronarium) stands about 1.5 m tall so you don't have to stoop over to look at or smell the flowers. Wish we could introduce the scratch your monitor screen and smell technology. Students in economic botany extract the fragrance by harvesting the new flowers each morning, slicing them lengthwise, and placing them cut side down on a layer of highly purified vegetable fat (i.e., Crisco) in a shallow covered dish (i.e. Petri). After several days the fat becomes impregnated with the fragrance because like many fragrance molecules they are lipid soluble so they dissolve into the fat to be released upon mild heating like rubbing between you fingers or on your skin behind your ear. You can do this with any fragrant flower as a nice kid/garden activity. The process is called enfleurage, a really old perfume technique.

Friday Fabulous Flowers - Olfactory edition

TPP walked into the glasshouse and immediately knew that the taro (Coleocasia esculenta) was in bloom. Generally most people don't notice the distinctive fragrance nor the actual "flower" which hides among the large leaves. This is an aroid, Jack-in-the-pulpit being the best known member of the family here abouts. So, what you really have here is a spike of flowers, an inflorescence known at the spadix,

surrounded by a modified leaf, a bract, known as a spathe. In the case of taro only half the spike is visible; the lower half is pretty tightly enclosed by the spathe. After flowering the upper part of the spike and the upper part of the spathe dry up and fall off. In this particular aroid, the flowers on the base of the spike are "female" and will produce fruits. The upper flowers are pollen producing "male" flowers. You can see the accumulation of pollen around the spike at the "waist" of the spathe. Sterile flowers separate the two and cover the top of the spike. The latter make a lot of fragrance, which is some aroids is a carrion odor. Taro isn't, but the fragrance is hard to describe, sort of a musky, heavy floral odor, not altogether pleasing but not revolting either. Several people noticed the odor today, but hadn't located the source, and it surprised them.