Poplar saplings appear light gray on maps

The Bug:

Poplar saplings appear light gray on maps.

Poplar saplings are orange and brown, but on maps they are drawn in light gray.

Steps to Reproduce:

1. Summon an area of grass and poplar saplings by using the commands provided below.

   /fill ~13 ~-1 ~13 ~-13 ~-1 ~-13 minecraft:grass_block

   /fill ~2 ~ ~2 ~11 ~ ~11 minecraft:poplar_sapling

2. Obtain a map, fill it, and look at how the poplar saplings are colored on it.

Observed Behavior:

Poplar sapling’s map color is light gray.

Expected Behavior:

Poplar sapling’s map color would be an orange or a brown to match its texture.