Bangkal is the local name for two species of Genus Nauclea:
Bulobangkal (Nauclea Junghuhnii)
and Bangkal (Nauclea orientalis).

Bulobangkal
Nauclea junghuhnii
SOUTHERN BANGKAL

Other scientifric names  Common names   
Sarcocephalus horsfeldii Bangkal (Tag., S. L. Bis.)  Mamuloko (Bag.) 
Sarcocephalus junghuhnii  Bulobankal (P. Bis.)  Nato (Ibn., Lan.) 
  Kabak (S. L. Bis.)  Sapauan (Mand.) 
  Kalamansanai (Sul.)  Tiroron (Bik.) 
  Magalablab (Bag.)  Southern bangkal (Engl.) 
  Mambog (Bik.)   

Botany
Tree reaching a height of 25 meters. Leaves are leathery, ovate, 8-20 cms long, pointed at the tip, rounded or pointed at the base, on petioles about 2 cm long. Flowers are yellow, occuring in rounded heads. The lower part of the flower form a ball from which the corollas project like pins from a pin cushion. When the corolla falls off, the ball enlarges and becomes a fruit. Fruit is round, 2 cm in diameter, fleshy, brown, pitted on the surface.

Distribution
Found in primary forests at low altitudes.

Parts used
Bark, leaves.

Uses
Decoction of bark used to regulate menstruation.

Commercial availability
Wild-crafted. 



Bangkal
Nauclea orientalis

Other scientific names
Cephalanthus chinensis
Cephalanthus orientalis
Nauclea cordata
Nuclea glaberrima
Nauclea lutea
Sarcocephalus cordatus
Sarcocephalus glaberrimus
Sarcocephalus orientalis 

 Common names
Balikakak (Mag.)
Bangkal (Tag., S. L. Bis., P. Bis., Mbo.)
Bulala (Ilk., Pang.)
Bulabangkal (Bis.)
Bulubitoan (P. Bis.)
Hambabalos (Bis.)
Kabag (Bis.)
Kabak (C. Bis.)
Mabalot (Tag.)
Malakabak (Bag.)
Mambog (Bik.)
Malbog (S. L. Bis.)

Botany
Smooth tree, 7-16 meters high. The leaves are leathery, elliptic to oblong-ovate, 11-25 cm long, blunt-tipped and rounded or heart-shaped at the base. Stipules are green, ovate to elliptic, 1-3 cm long. Flowers heads are solitary, terminal, 4-5 cm diameter. Flowers are white.

Distribution
In secondary forests at low and medium altitudes.

Folkloric use
Leaves applied to boils and tumors.
Bark decoction for diarrhea and toothaches.

Availability
Wild-crafted.