Cycad Names | Cycadales > Zamiaceae > Dioon > Dioon holmgrenii De Luca, Sabato & Vázq.Torres

Dioon holmgrenii De Luca, Sabato & Vázq.Torres [WFO] [IPNI] [POWO] [MO]

First published in: Brittonia 33(4): 552-554, figs. 1-2. (1981).

Etymology: Honoring Dr. Noel Herman Holmgren, taxonomist and curator at the New York Botanical Garden. [source]

Nomenclatural Type Information
Collector and Number: M. Vázquez-Torres 2304
Locality: Mexico, Oaxaca, slope with Quercus, 15 km S of San Gabriel along road from Puerto Escondido to Oaxaca, Distrito de Juquila , 650-850 m , 21 Mar 1980
Type Location(s): HT:XALU; IT:ENCB, FI, MEXU, NAP, NY

Distribution: Mexico (Oaxaca)

IUCN Red List Conservation Status: Vulnerable B1ab(iii)+2ab(iii)

Image Gallery (4 observations with images)

Mexico (Oaxaca)

Mexico (Oaxaca)

Mexico (Oaxaca)

Mexico (Oaxaca)

Reference Links (4)

Calculated Reference Reference Links Journal Comment(s)
1981
De Luca P, Sabato S, Vázquez-Torres M. 1981. Dioon holmgrenii (Zamiaceae), a new species from Mexico. Brittonia 33 (4): 552-555.
Brittonia
Protologue description
2003
Gregory TJ. 2003. Dioon holmgrenii, then and now. Cycad Newslett. 26 (3) : 5-7.
Cycad Newsletter
1986
Stevenson DW, Sabato S. 1986. Typification of names in Ceratozamia brongn, Dion lindl, and Microcycas A. DC. (Zamiaceae). Taxon 35 (3): 578-584.
Taxon
2022
Haynes JL. 2022. Etymological compendium of cycad names. Phytotaxa 550 (1) : 1-31.
Phytotaxa