Putrajaya

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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15195 · alive · Condition: fair · LC · Least Concern · Elevation: 28.5 m

Photos

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trunk branches leaf

Dimensions

10.78 mHeight
4.22 mTrunk height
33 cmTrunk diameter (DBH)
7.53 mCanopy height
7.16 mCanopy width
22.68 mCanopy circumference
35.96 m²Crown projection area
179.38 m³Crown volume
1Stems

Structure & risk

33.15Slenderness (H/D)
1.48Safety factor (default wind)
7.13 °Leaning angle
6.16 °Trunk lean angle
9.8Competition index
3.91 mTree protection zone
5.86 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
slightly defoliatedCrown transparency
26.04 %Foliage transparency
7.49 %Dieback
65.87 %Crown density
90.2 %Crown light exposure ratio
69.86 %Live crown ratio
203.2 m²Leaf area
5.66Leaf area index (LAI)
1.14Leaf area / crown vol.

Ecosystem services

199.81 kgCarbon storage
33.63 kgCarbon sequestration / yr
88.86 kgOxygen production / yr
0.11 m³Avoided runoff
1.94 m³Water intercepted
2.29 m³Transpiration
1.93 m³Evaporation
11.89 m³Potential evapotranspiration
4.31 gCO removed / yr
17.02 gNO₂ removed / yr
36.72 gSO₂ removed / yr
10.71 gPM2.5 removed / yr
205.08 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

3675.42CAVAT value
14945.34Koch value
1525.92RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
80G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Lebuh Wawasan G u fextracted_street
7001G u fextracted_taxon i d
3.25Crown base height
10.78Live height

Clearances

ConflictRoad clearance
4.38 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
0.02 m³Road clearance — conflict volume
0.09Road clearance — conflict volume ratio

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 · 2.926531, 101.685899 · Elevation 28.5 m