Cycad Names | Cycadales > Cycadaceae > Cycas > Cycas siamensis Miq.

Cycas siamensis Miq. [WFO] [IPNI] [POWO] [MO]

First published in: Bot. Zeitung (Berlin) 21: 334. (1863). [BHL]

Etymology: Referring to its occurrence in Thailand, known as the Kingdom of Siam when this species was described. [source]

Nomenclatural Type Information
Type Location(s): HT:U

Taxonomic Synonyms:

  • = Cycas immersa Craib, Bull. Misc. Inform. Kew 1912(10): 434-435. (1912).

Nomenclatural Synonyms:

Distribution: Cambodia, Laos (Champasak, Saravan), Myanmar, Thailand (Chachoengsao, Chaiyaphum, Chon Buri, Kanchanaburi, Lampang, Nakhon Ratchasima, Phetchabun, Ratchaburi, Sakon Nakhon, Tak, Uthai Thani, Uttaridit), Vietnam (Dac Lak, Gia Lai, Kon Tum, Nghe An, Tha

IUCN Red List Conservation Status: Vulnerable A2cd+4cd

Location Privacy Notice: This map is provided to show a rough estimate of the distribution of this species based on georeferenced localities on the WLoC database. The points may not be comprehensive of the species distribution and may contain errors. To protect the precise locations of populations of this highly threatened plant group, coordinates displayed on this map have been denatured to 0.1 degree precision (approximately 11 km accuracy). Map zoom levels are also limited for conservation purposes.

Geographic Distribution

Legend:
Collection Events (8)
Image Gallery (4 observation records)

Thailand ()

Thailand (Kanchanaburi)

Thailand (Kanchanaburi)

Thailand (Kanchanaburi)

References (10)

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Haynes JL. 2022. Etymological compendium of cycad names. Phytotaxa 550 (1) : 1-31. WLoC DOI
Etymology
Nguyen HT. 2010. Cycas siamensis. The IUCN Red List of Threatened Species 2010: e.T42066A10641954. WLoC DOI
Red List Assessment
Hill KD, Nguyên TH, Lôc PK. 2004. The genus Cycas (Cycadaceae) in Vietnam. Bot. Rev. (Lancaster) 70 (2) : 134-193. WLoC DOI JSTOR
Pages: 180-182
Hill KD, Yang SL. 1999. The genus Cycas (Cycadaceae) in Thailand. Brittonia 51 (1) : 48-73. WLoC JSTOR
Description Pages: 53-55 Plates: fig. 4
Notes: Description
de Laubenfels DJ, Adema F. 1998. A taxonomic revision of the genera Cycas and Epicycas gen. nov. (Cycadaceae). Blumea 43 (2) : 351-400. WLoC URL
Synonym Pages: 393
Notes: As synonym of Epicycas siamensis