Calophyllum sil (alligatorbark)

Calophyllum sil Lauterb. (1923) . 

Zich et al. (2020) Australian Tropical Rainforest Plants information system (RFK ed. 8), 
quotation: " 

Distribution and Ecology

Occurs in WA, NT, Cape York Peninsula and the wet tropics bio-region NE. Qld..
Altitudinal range from sea level to about 500 m.
Usually grows in well developed rain forest on the coastal lowlands.
Also occurs in New Guinea and the adjacent islands in Malesia.

" . 

Botanical Scholarly Literature References:   

• Australian Plant Name Index (APNI) and Australian Plant Census (APC) (2026):
Council of the Heads of Australasian Herbaria (CHAH):
Calophyllum sil Lauterb. (1923): → https://id.biodiversity.org.au/name/apni/99634/api/apni-format . 
Calophyllum ...: → https://biodiversity.org.au/nsl/services/search/names?product=APNI&tree.id=&name=Calophyllum&inc._scientific=&inc.scientific=on&max=100&display=&search=true
Viewed: 2026 March 3rd . 

• Zich Frank A, Bernie P M Hyland, Trevor Whiffin, Raelee A Kerrigan (2020) [1971]
Australian Tropical Rainforest Plants information system and botanical matrix identification key - edition 8 ('RFK 8'): 
Calophyllum sil Lauterb. fact sheet: → https://apps.lucidcentral.org/rainforest/text/entities/Calophyllum_sil.htm 
Main site web page: → https://apps.lucidcentral.org/rainforest/
Viewed: 2026 March 3rd .

• Qld Herbarium (2026)
Census of the Queensland Flora and Fungi 2024.
Calophyllum sil Lauterb. – "Nature Conservation Act (NCA) Status : Least Concern" .
Queensland Department of Environment, Tourism, Science and Innovation, Queensland Government.
→ http://www.data.qld.gov.au/dataset/census-of-the-queensland-flora-and-fungi-2024
Dataset Accessed: 2025 July 19th . 

• Western Australian Herbarium (1998–).
Florabase—the Western Australian flora.
Calophyllum sil Lauterb. profile page: → https://florabase.dbca.wa.gov.au/browse/profile/5179
Department of Biodiversity, Conservation and Attractions.
→ https://florabase.dbca.wa.gov.au/
Viewed: 2026 March 3rd .

• Northern Territory Herbarium (2015–)
FloraNT Northern Territory Flora Online . 
Calophyllum sil Lauterb. fact sheet: → https://eflora.nt.gov.au/factsheet?id=1301
Department of Land Resource Management .
→ http://eflora.nt.gov.au
Viewed: 2026 March 3rd .

• Cooper, Wendy and William T (2004 June) 
Fruits of the Australian Tropical Rainforest.
—pages: (121–) 122 .
Clifton Hill, Victoria, Australia: Nokomis Editions. ISBN 9780958174213 . 

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