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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15204 · alive · Condition: fair · LC · Least Concern · Elevation: 28.8 m

Photos

3D point cloud drag to rotate · scroll to zoom

trunk branches leaf

Dimensions

14.86 mHeight
5.18 mTrunk height
49 cmTrunk diameter (DBH)
11.0 mCanopy height
8.3 mCanopy width
26.06 mCanopy circumference
53.84 m²Crown projection area
392.28 m³Crown volume
1Stems

Structure & risk

30.55Slenderness (H/D)
1.92Safety factor (default wind)
4.79 °Leaning angle
2.59 °Trunk lean angle
0Competition index
5.84 mTree protection zone
8.76 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
28.75 %Foliage transparency
4.49 %Dieback
78.62 %Crown density
100 %Crown light exposure ratio
74.05 %Live crown ratio
423.77 m²Leaf area
7.88Leaf area index (LAI)
1.09Leaf area / crown vol.

Ecosystem services

491.09 kgCarbon storage
54.48 kgCarbon sequestration / yr
143.95 kgOxygen production / yr
0.15 m³Avoided runoff
2.61 m³Water intercepted
3.07 m³Transpiration
2.59 m³Evaporation
15.96 m³Potential evapotranspiration
5.78 gCO removed / yr
22.84 gNO₂ removed / yr
49.28 gSO₂ removed / yr
14.38 gPM2.5 removed / yr
275.26 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

8203.02CAVAT value
21763.42Koch value
2279.63RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
95G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Lebuh Wawasan G u fextracted_street
7001G u fextracted_taxon i d
3.86Crown base height
14.86Live 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

Lebuh Wawasan · 2.926528, 101.685984 · Elevation 28.8 m