In the inventory textures of spore blossom, big dripleaf and small dripleaf are 3d, even though textures of all types of non-full block vegetation are 2d:
crops (wheat, potatoe, carrot, beetroot, sugar cane)
seeds (wheat seeds, melon and pumpkin seeds, cocoa beans
grass and tall grass
fern and tall fern
red and brown mushrooms
nether spores and roots
twisting and weeping vines
nether fungus
nether wart
sweet berries
glow berries
glow lichen
vines
bamboo
sea vegetation (kelp, sea pickle, seagrass and tall seagrass)
chorus friut
Also these items in 3d just look kinda werid, especially the spore blossom.
Comments 2
Thank you for your report!
However, this issue is Invalid.
You have posted a feature request or a suggestion. This site is for bug reports only.
For suggestions, please visit Minecraft Suggestions on Reddit or visit the Feedback website.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
Can confirm but this is very likely a feature request.