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Encephalartos horridus (Jacq.) Lehm. [WFO] [IPNI] [POWO] [MO]

First published in: Nov. Stirp. Pug. 6: 14. (1834). [BHL]

Etymology: From the Latin horridus (‘horrible’), referring to the stiff, pungent leaflets. [source]

Nomenclatural Type Information

Type Location(s): BAS: Z. horrida

Basionym: Zamia horrida Jacq.

Taxonomic Synonyms:

= Encephalartos altensteinii var. eriocephalus de Vriese, Nederl. Kruidk Arch. 1:171-175. (1846).
= Encephalartos nanus Lehm., Tijdschr. Natuurl. Gesch. Physiol. 4(4): 421, t. 8c. (1838).
= Encephalartos van-hallii de Vriese, Tijdschr. Natuurl. Gesch. Physiol. 4(4): 422. (1838).

Nomenclatural Synonyms:

≡ Encephalartos horridus var. horridus , Ann. Sci. Nat., Bot. ser. 2 10: 367. (1838).
≡ Zamia horrida Jacq., Fragm. Bot.: 27-28, tt. 27, 28. (1801).

Distribution: South Africa (E Cape)

IUCN Red List Conservation Status: Endangered A2acd+4acd

Image Gallery (3 observations with images)

Reference Links (22)

	Calculated Reference	Journal	Comment(s)
1989	Goode D. 1989. Cycads of Africa. Singapore: Tien Wah Press. 256 p.
2002	Grobbelaar N. 2002. Cycads, with special reference of the southern African species. Published by the author. 331 p.
1857	Regel EA. 1857. Descriptiones plantarum novarum et minus cognitarum in regionibus Turkestanicis a Cl. P. et O. Fedschenko, Korolkow, Kuschakewicz et Krause collectis : Cum adnotationibus ad plantas vivas in Horto Imperiali Botanico Petropolitano cultas. Fasciculus II. Trudy Imp. S.-Peterburgsk. Bot. Sada 3 : 97-168.	Trudy Imperatorskago S.-Peterburgskago Botaniceskago Sada. Acta Horti Petropolitani	Description
2022	Haynes JL. 2022. Etymological compendium of cycad names. Phytotaxa 550 (1) : 1-31.	Phytotaxa
2008	Loewenstein L. 2008. Thorny thoughts from a cycad novice. Cycad Newslett. 31 (1) : 10.	Cycad Newsletter
2008	Van Buskirk M. 2008. Growing Encephalartos horridus and E. lehmannii in South Texas. Cycad Newslett. 31 (1) : 10.	Cycad Newsletter
2002	Whitelock LM. 2002. The Cycads. Portland, OR: Timber Press. 374 p.
1933	Hutchinson J, Rattray G. 1933. Cycadaceae. p. 24-44.	Flora capensis: being a systematic description of the plants of the Cape colony, Caffraria, & Port Natal (and neighbouring territories)	Description
1842	Miquel FA. 1842. Monographia Cycadearum. Monogr. Cycad. : 1-82.	Monographia Cycadearum. Trajecti ad Rhenum	Description
1986	Kemp M. 1986. Focus on Encephalartos horridus. Encephalartos 7 : 8-13.	Encephalartos

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