There are more than 700 species of Eucalyptus, mostly native to Australia and Southeast Asian islands. This is the florist term for young branches. Since it is young, the leaves are smaller and the stems are flexible.
This eucalyptus looks like it has seeds on the leaves. The "seeds" are actually flower buds which, if they grow, become acorns. Both types are fragrant.
A very fragrant, long-lasting evergreen. Good for both indoor and outdoor decorations. Martha used Western juniper on today's show.
This species is native to South Africa and is not fragrant. However, it's very long-lasting.