The most common and most likely answer to this crossword clue is the 7 letter word LANTANA
L
A
N
T
A
N
A
More clues leading to the result LANTANA
- Insect in road nibbling end off a plant
- Shrub worker found in wood
- Flower described by plant anatomy
- Shrub in ground, mostly brown, beginning to atrophy
- In Californian city there’s a new brown plant
- Plant anatomy also includes a weed
- It's some plant, a native of North America, mostly
- Inside plant an alternate shrub
Buddy explains!

The straight part
We know that "Shrub" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shrub = lantana.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LANTANA mean?
LANTANA noun- Any member of the genus Lantana of perennial verbenas with aromatic flower clusters.