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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 27324 · alive · Condition: fair · LC · Least Concern · Elevation: 33.8 m

Photos

3D point cloud drag to rotate · scroll to zoom

trunk branches leaf

Dimensions

12.68 mHeight
4.64 mTrunk height
18 cmTrunk diameter (DBH)
7.69 mCanopy height
6.32 mCanopy width
20.09 mCanopy circumference
27.19 m²Crown projection area
142.16 m³Crown volume
1Stems

Structure & risk

70.46Slenderness (H/D)
0.28Safety factor (default wind)
5 °Leaning angle
7.38 °Trunk lean angle
28.99Competition index
2.16 mTree protection zone
3.24 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
youngAge class
moderately defoliatedCrown transparency
47.25 %Foliage transparency
20.83 %Dieback
47.76 %Crown density
71.02 %Crown light exposure ratio
60.59 %Live crown ratio
71.86 m²Leaf area
2.65Leaf area index (LAI)
0.51Leaf area / crown vol.

Ecosystem services

74.54 kgCarbon storage
12.23 kgCarbon sequestration / yr
32.3 kgOxygen production / yr
0.09 m³Avoided runoff
1.51 m³Water intercepted
1.78 m³Transpiration
1.5 m³Evaporation
9.25 m³Potential evapotranspiration
3.35 gCO removed / yr
13.23 gNO₂ removed / yr
28.54 gSO₂ removed / yr
8.33 gPM2.5 removed / yr
159.41 gO₃ removed / yr

Data quality

1Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

1122.38CAVAT value
7591.91Koch value
843.24RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
35G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Persiaran Utara G u fextracted_street
7001G u fextracted_taxon i d
5Crown base height
12.68Live 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

Persiaran Utara · 2.956089, 101.689591 · Elevation 33.8 m