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Family Guttiferae
Cratoxylon blancoi Blume

Scientific names Common names
Hypericum olympicum Blanco Alinggogon (Bik.)
Cratoxylon blancoi Blume Bagatubang (S. L. Bis.)
Cratoxylon micradenium F.-Vill. Bansilai (C. Bis.)
Cratoxylon hornschuchii Naves Baringkokoron (Ilk.)
Cratoxylon arborescens F.-Vill. Barinkukuron (Pang.)
Cratoxylon sumatranum F.-Vill Baringkukurung (Ilk.)
Ancistrolobus micradenius Turez. Gansilai (Sul., Yak.)
  Goyong-goyong (Pang.)
  Guyong-guyong (Tag., Bik.)
  Kansilan (P. Bis.)
  Kansilai (Tag., P. Bis., Sul.)
  Oriñgon (P. Bis.)
  Paguiliñgan (C. Bis.)
  Paguligin (Tag.)
  Paguliñgon (P. Bis.)
  Paguriñgon (Bis.)
  Salinggogon (Bik.)
  Ugiñgan (Ibn.)
  Uling (Ig.)
  Uring (Ig.)
  Uring (Ig.)
In Quisumbing's compilation, guyong-guyong is a common names shared by two species of Cratoxylon: C. blancoi and C. celebicum.

Guyong-guyong is a smooth, branched, small- to medium-sized tree, up to 20 meters high. Leaves are opposite, ovate, oblong or oblong-elliptic, 5 to 15 centimeters long, 3 to 7 centimeters wide, smaller at the apex, entire, pointed at the apex, blunt or rounded at the base. Petioles are very short. Flowers are red and small, borne on terminal or axillary panicles, 5 to 7 centimeters long. Fruit is smooth, dark reddish-brown, ellipsoid, about 1 centimeter long, subtended at the base by a persistent calyx, dehiscing apically into 3 parts, containing numerous small, thin, brown, winged seeds, each 5 millimeters long.

- In thickets and secondary forests at low altitudes throughout the Philippines.
- Endemic species.

- Considered galactagogue and abortifacient.

Parts used
Bark and leaves.


- Crushed leaves placed on the forehead and breast for colds.
- Internally, decoction of bark and leaves used as abortifacient.
- Decoction of bark used as galactagogue.

No studies found.


Last Update October 2013

IMAGE SOURCE / File:Clusiaceae sp Blanco2.308-original.png / Cratoxylon sumatranum / Hypericum olympicum / Flora de Filipinas / Franciso Manuel Blanco (OSA), 1880-1883 / Public Domain/ Wikimedia Commons

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