Acer calcaratum

Life-forms

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids II
Ordo: Sapindales

Familia: Sapindaceae
Subfamilia: Hippocastanoideae
Tribus: Acereae
Genus: Acer
Species: Acer calcaratum
Name

Acer calcaratum Gagnep., Notul. Syst. (Paris) 13: 192 (1948).

Typus: Vietnam: Annam, Nhatrang, 1000-1500 m. A.Chevalier 38878. (Holotype P).
Syntype: China: Yunnan: Jinghong, Menglong, Mengsong, 1700 m. April 1998. H.Wang 6215 (PE).

References
Additional references

Gelderen, D.M. van, Jong, P.C.de & Oterdoom, H.J. 1994. Maples of the world. Timber Press, Portland, Or., 458 pp. ISBN 0-88192-000-2. Reference page.
Govaerts, R.H.A. 1995. World Checklist of Seed Plants 1(1, 2). 483, 529 pp. MIM, Deurne. ISBN 90-341-0852-X (issue 1) ISBN 90-341-0853-8 (issue 2). Reference page.
Grierson, A.J.C. & Long, D.G. 2001. Flora of Bhutan 2: 1–1675. Royal Botanic Gardens, Edinburgh. ISBN 1-872291-02-3 Reference page.
Hsu, T.Z., Chen, Y.S., Jong, P.C.de, Oterdoom, H.J. & Chang, C.S. 2008. Acer. Pp. 537 in Wu, Zh.Y. , Raven, P.H. & Hong, D.Y. (eds.), Flora of China. Volume 11: Oxalidaceae through Aceraceae. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis, ISBN 978-1-930723-73-3. efloras PDF Reference page.
Santisuk, T. & Balslev, H. 2017. Flora of Thailand 13(3): 429-556. The Forest Herbarium, Royal Forest Department. ISBN 9786163163882 Reference page.

Links

Crowley, D., Barstow, M. & Rivers, M.C. 2019. Acer calcaratum. The IUCN Red List of Threatened Species 2019. IUCN Red List Category: Vulnerable. DOI: 10.2305/IUCN.UK.2019-2.RLTS.T191458A1983782.en.
USDA, ARS, Germplasm Resources Information Network. Acer calcaratum in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service.
Govaerts, R. et al. 2020. Acer calcaratum in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 January 8. Reference page.
International Plant Names Index. 2020. Acer calcaratum. Published online. Accessed: 8 January 2020.

Vernacular names
ไทย: ก่วมแดง
中文: 三裂枫

Acer calcaratum is an Asian species of maple found in Yunnan and northern Indochina (Myanmar, Thailand, Vietnam). It is very rare in China.[2]

Acer calcaratum is a small tree up to 7 meters tall. Leaves are non-compound, the blade up to 15 cm long and 21 cm wide, with 3 deeply cut lobes but no teeth.[2][3][4]
References

The Plant List, Acer calcaratum Gagnep.
Flora of China, Acer calcaratum Gagnepain, 1948. 三裂枫 san lie feng
Gagnepain, François 1948. Notulae Systematicae. Herbier du Museum de Paris 13: 192-193 description in Latin, commentary in French
Gamble, James Sykes 1908. Bulletin of Miscellaneous Information Kew 1908: 446 description in Latin, commentary in English, as Acer osmastonii