Cratoxylum formosum

Cratoxylum formosum is a species of flowering plant in the Hypericaceae family. Its commercial name in timber production is "mampat".[2]

Cratoxylum formosum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Cratoxylum
Species:
C. formosum
Binomial name
Cratoxylum formosum
Benth. & Hook. f. ex Dyer

It is a tropical plant found in the Andaman Islands, Brunei, Burma, Cambodia, China, Indonesia, Laos, Malaysia, the Philippines, Singapore, Thailand, and Vietnam. The trees reach to 35 meters tall, though they rarely achieve the size required for timber exploitation.[2] The trees bloom during the dry period in seasonal tropical climates. They inhabit primary and secondary forests at altitudes from 0–600, with the upper limit to 1200 m., on slopes, river margins and swamps in sandy to clayey soils.[3]

The Catalogue of Life lists two subspecies, C. formosum subsp. formosum and C. formosum subsp. pruniflorum (Kurz) Gogelein. The two are differentiated by the nominate subspecies being totally glabrous, with leaves that are elliptic to oblong, rarely lanceolate and the anther connective not being glandular.[3]

In Laos, Cratoxylum fomosum trees are used:

  • for the production of charcoal [4]
  • for their edible young leaves, which can be differentiated as either sour (ສົ້ມ), smooth (ມ່ອນ) or blood-red (ເລືອດ), possibly depending on subspecies (such as in sp. pruniflorum).

Local names:

  • Laotian: ໄມ້ຕີ້ວ [mâi tȋːw]
  • Malay: mampat
  • Thai: ผักติ้ว Phak tiu
  • Filipino: mango-gong, marangguub, salingagon, salingogon
  • Vietnamese: thành ngạnh đẹp (subsp. prunifolium : thành ngạnh vàng)
  • Cratoxylum formosum in bloom
    Cratoxylum formosum in bloom
  • Fruits
    Fruits
  • Drawing of the species (1880 to 1883)
    Drawing of the species (1880 to 1883)

References
  1. World Conservation Monitoring Centre (1998). "Cratoxylum formosum". IUCN Red List of Threatened Species. 1998: e.T33354A9779236. doi:10.2305/IUCN.UK.1998.RLTS.T33354A9779236.en. Retrieved 11 November 2021.
  2. "'Mampat' entry in the Wood Explorer database". The Wood Explorer database. Retrieved 23 June 2011.
  3. Robson, N. 1974. Hypericaceae. Flora Malesiana series 1, 8: 1-29
  4. "Charcoal maker rewards villagers for growing mai tiew". Vientiane Times. 2011-06-21.


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