Blackboard tree · Family: Apocynaceae · ID 32156
· alive
· Condition: fair
· LC · Least Concern
· Elevation: 56.7 m
Photos
360° street view
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3D point cloud
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trunk
branches
leaf
Dimensions
18.77 mHeight
2.09 mTrunk height
48 cmTrunk diameter (DBH)
16.47 mCanopy height
7.71 mCanopy width
24.21 mCanopy circumference
45.53 m²Crown projection area
438.93 m³Crown volume
1Stems
Structure & risk
39.85Slenderness (H/D)
1.3Safety factor (default wind)
3.26 °Leaning angle
7.73 °Trunk lean angle
24.89Competition index
5.66 mTree protection zone
8.48 mRoot protection zone
l0TMS category
Health & vitality
fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
30.57 %Foliage transparency
0.32 %Dieback
82.87 %Crown density
75.12 %Crown light exposure ratio
87.79 %Live crown ratio
636.33 m²Leaf area
13.98Leaf area index (LAI)
1.45Leaf area / crown vol.
Ecosystem services
499.13 kgCarbon storage
40.68 kgCarbon sequestration / yr
107.48 kgOxygen production / yr
0.13 m³Avoided runoff
2.25 m³Water intercepted
2.65 m³Transpiration
2.24 m³Evaporation
13.78 m³Potential evapotranspiration
4.99 gCO removed / yr
19.71 gNO₂ removed / yr
42.52 gSO₂ removed / yr
12.41 gPM2.5 removed / yr
237.53 gO₃ removed / yr
Surroundings
noneOverhead utilities
Amenity valuation
7695.98CAVAT value
20962.11Koch value
2208.06RADO value
Other
2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
75G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11 C/17 G u fextracted_street
7103G u fextracted_taxon i d
2.3Crown base height
18.77Live height
Clearances
ClearRoad clearance
Not provided
Catalogued metrics with no value for this tree — measured, derived or analysed alike. Listed rather than hidden so absence is visible instead of inferred.
Girth — the survey did not record which measurements were availableGrowth formCrown light exposure — the survey did not record which measurements were availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified
Location
Jalan P11 C/17 · 2.969642, 101.676463 · Elevation 56.7 m
