
Image: Wikimedia Commons (See link for license)
Japanese Red Pine🌲
Pinus densiflora
アカマツ
An evergreen conifer widely distributed in the mountains and satoyama of Japan. Distinguished by its reddish bark, especially on the upper trunk. Forms a mycorrhizal association with matsutake mushrooms and is highly valued for bonsai.
Identification Points
- ✓Trunk (especially the upper portion) has reddish bark
- ✓Needles in fascicles of 2, slender and relatively soft
- ✓Needles are slightly shorter and softer than those of P. thunbergii
- ✓Common in mountains and hills
Habitat
Mountains, hills, forests
Season
Year-round
3D Specimen Model
Kyushu University, Shikano Lab (CC0)
View on Sketchfab→Morphological TraitsAI-estimated, needs verification
Leaf arrangement
Alternate
Leaf type
Simple
Venation
Pinnate
Leaf margin
Entire
Leaf shape
Needle
Growth form
Tree
Evergreen/Deciduous
Evergreen
Habitat
Mountain
Petal fusion
No petals
Stipules
Absent
Ovary position
Superior
Plant sex
Monoecious
Aromatic
Aromatic
Phylogenetic Positionマツ科 →
Phylogenetic Position
Gymnosperms > Pinopsida > Pinales > Pinaceae
Divergence Era
Triassic to Jurassic (approx. 200 million years ago onward)
Evolution Notes
Pinaceae is an ancient gymnosperm family that has existed since the Mesozoic Era.
View on evolution timeline →Sources & References
AI-generated, needs verification