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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 28137 · alive · Condition: fair · LC · Least Concern · Elevation: 45.3 m

Photos

3D point cloud drag to rotate · scroll to zoom

trunk branches leaf

Dimensions

22.12 mHeight
4.05 mTrunk height
80 cmTrunk diameter (DBH)
10.27 mCanopy height
11.72 mCanopy width
37.24 mCanopy circumference
83.21 m²Crown projection area
790.83 m³Crown volume
1Stems

Structure & risk

27.99Slenderness (H/D)
2.52Safety factor (default wind)
6.49 °Leaning angle
1.74 °Trunk lean angle
12.97Competition index
9.49 mTree protection zone
14.23 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
18.08 %Foliage transparency
0 %Dieback
71.19 %Crown density
87.04 %Crown light exposure ratio
46.44 %Live crown ratio
749.46 m²Leaf area
9.01Leaf area index (LAI)
0.95Leaf area / crown vol.

Ecosystem services

1442.11 kgCarbon storage
100.25 kgCarbon sequestration / yr
264.9 kgOxygen production / yr
0.3 m³Avoided runoff
5.2 m³Water intercepted
6.11 m³Transpiration
5.16 m³Evaporation
31.85 m³Potential evapotranspiration
11.53 gCO removed / yr
45.57 gNO₂ removed / yr
98.32 gSO₂ removed / yr
28.68 gPM2.5 removed / yr
549.24 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

21625.6CAVAT value
34872.83Koch value
3701.37RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
105G u fextracted_critical wind speed
2025-06-17G u fextracted_inv date
Jalan P11 A5/6 G u fextracted_street
7001G u fextracted_taxon i d
11.85Crown base height
22.12Live 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 availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11 A5/6 · 2.957029, 101.684960 · Elevation 45.3 m