Structure
Recursion depth5
Bₜₒₜₐₗ ≤ n^depth
Branches per node3
Split point0.72
t ∈ [0,1] along parent
Angles
Branch angle θ30°
polar divergence from parent
Azimuth twist φ137.5°
φ ≈ 137.5° = golden angle
Size Decay
Length ratio rₗ0.68
Lₙ = L₀ · rₗⁿ
Radius ratio rᵣ0.62
Rₙ = R₀ · rᵣⁿ (pipe model)
Form
Trunk height8.0
Droop factor0.28
gravity curve ↓ at tips
Variation ε0.18
stochastic perturbation
Foliage
Leaf size0.35
Leaf density4