Accession Data:
Encephalartos altensteinii Lehmann
- Common Name: Eastern Cape Giant Cycad
- Family: Zamiaceae Reichb.
- Country of Origin: E. Cape Prov.
- Habitat: widespread species in eastern Cape and south-western Natal provinces
- USDA Zone: 9b-11
Accession Data:
- Accession # 198502656
- Source:
- Provenance: 05NOV04 - Originally Encephalartos sp. - name changed to E. altensteinii after seeing a very similar plant at Smith College BG. Although there are some closely related species and subspecies, we have elected to change the name to E. altensteinii as it represents our best clarification of identity to date - cmorse.
- Accession Date: 12-31-1985
- Bench: 1110 - AFR: Cycads
- Currently: active - healthy
- Qty: 1 confirmed on 02-26-2025
- Restrictions:
- IUCN Red List: Species Vulnerable or Habitat Critically Threatened
- CITES Appendix I Listed Plant - Plants are not to leave Greenhouse!
- IUCN Red List: Species Vulnerable or Habitat Critically Threatened
Classification:
- Division: Cycadophyta
- Class: Cycadopsida
- SubClass: Cycadidae
- Order: Cycadales
- SubOrder:
- Family: Zamiaceae
- SubFamily: Encephalartoideae
- Tribe: Encephalarteae
- SubTribe: Encephalartinae
Flowering Data:
This accession has been observed in bloom on:| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||||||||||||||||||||||||||||||||||||||||
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References (internal):
- EEB Greenhouse Holdings native to: Cape Provinces
References (external):
- The Plant List (2013). Version 1.1. Last accessed on Friday, July 21, 2017.
- WCSP (2016). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Last accessed on Friday, July 21, 2017.
- Encephalartos altensteinii at IUCN Redlist. Last accessed on Friday, July 21, 2017.
- Image #00 (cropped) and #01 (original) by Mildasb (Own work) [Public domain], via Wikimedia Commons. Last accessed on Friday, July 21, 2017.
data regenerated on Wed, 26 Feb 2025 11:45:15 -0500 [bcm v4.0]
Images:
Additional images for this accession:
Click on thumbnails to enlarge
Current Accessions in the Zamiaceae
Subfamily Ceratozamieae
Subfamily Encephalartoideae
Tribe Diooeae
Subfamily Encephalartoideae
Tribe Encephalarteae
- Encephalartinae: Encephalartos altensteinii
- Encephalartinae: Encephalartos nubimontanus
- Macrozamiinae: Lepidozamia peroffskyana
Subfamily Zamioideae
Tribe Zamieae
- Microcycadinae: Microcycas calocoma
- Zamiinae: Zamia furfuracea
- Zamiinae: Zamia pumila
= indicates flowering in past 14 days
= images available for this accession
= map available for this accession
= accession added within past 90 days