Hua in Chinese / Japanese...

樺 is a Chinese, old Japanese Kanji, and old Korean Hanja word that means birch [tree].

If you are a botanist, this can refer to “betula japonica” or “Japanese white birch.”

Note: In Japanese, as a single Kanji, this is a little antiquated. There are several more common multi-character words that include this Kanji that specify different species of birch trees.

花 is the simple way to write “flower” in Chinese, Japanese, and old Korean.

It can also mean blossoms or can refer to a fancy or assorted pattern.

Note: In some contexts, it can mean “spend money.” However, as a single character, it will be read as a flower.

This has the meaning of Xochitl (flower) in Spanish, so if your name is Xochitl, I suggest this character to represent your name.

More random information about this character:
花 is the Korean surname spelled as “Hwa” before the Korean Romanization reformation of 2000-2001.
It's also a somewhat common given name in China (for females).
花 is a borrowed word from Chinese, so it sounds similar in Chinese and Korean.

華 means blooming flowers or splendid China.

華 is really open to interpretation. 華 meant flowers or blooming in ancient China. It still has that meaning in Japanese, and Buddhist contexts.

In modern China, this means glorious, beautiful, splendid, magnificent, or the best part of something. It can also refer to the country of China or something Chinese (such as people - overseas Chinese are often called “hua ren”). 華 is also a surname in China.

In Japanese, this can be the female given name “Ririka.” It's also the short name for a certain kind of playing cards in Japan.

In Korean, This can be the surname “Hwa.” While it also means splendid, flowery, or the country of China in Korean.

華佗 or Hua Tuo was a Chinese physician who lived during the late Eastern Han dynasty.

The historical texts Records of the Three Kingdoms and Book of the Later Han record Hua Tuo as the first person in China to use anesthesia during surgery.

Hua Tuo used a general anesthetic combining wine with a herbal concoction called 麻沸散, literally, “cannabis boil powder.” This was in the second century AD, almost 1700 years before western medicine had any form of anesthesia (1846).