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Modified: Wednesday, March 24, 2010

Cycads of the World

Cycads consist of about 292 species and 10 subspecies in 11 genera worldwide. There are new species being found every year.

Classification

Order

Suborder

Family

Subfamily

Tribe

Subtribe

Genus

Number

Origin

Cycadales

Cycadineae

Cycadaceae

Cycas

102

From Africa to Western Pacific

Zamlineae

Stangeriaceae

Stangerioideae

Stangeria

1

Africa

Bowenioideae

Bowenia

3

Australia

Zamiaceae

Encephalartioideae

Diooeae

Dioon

12

Mexico,Honduras

Encephalarteae

Encephalartinae

Encephalartos

63

Africa

Macrozamiinae

Macrozamia

38

Australia

Lepidozamia

2

Eastern Australia

Zamioidea

Ceratozamieae

Ceratozamia

16

Mexico, Guatemala, Belize

Zamieae

Microcycadinae

Microcycas

1

Cuba

Zamiinae

Zamia

53

Amercias, Caribbean Islands

Chigua

2

Colombia, South Amercia


Cycads of Southern Africa (South Africa, Lesotho, Swaziland & southern Mozambique)

The Cycads of Southern Africa all fall into one Genus being Encephalartos with the exception of Stangeria eriopus. There are 41 species listed below. About 30 of them consist of more than one form. The list does not take cognisance of hybrids and mutants.

Southern African Cycad Species (Rarest, Rare, Common, Commonist)

E. aemulans

E. dolomiticus

E. humilis

E. msinganus

E. trispinosus

E. altensteinii

E. dyerianus

E. inoponus

E. natalensis

E. umbeluziensis

E. aplanatus

E. eugene-maraisii

E. laevifolius

E. ngoyansus

E. villosus

E. arenarius

E. ferox

E. lantanus

E. nubimontanus

E. woodii

E. brevifoliolatus

E. friderici-guilielmi

E. latifrons

E. paucidendatus

Stangeria eriopus

E. caffer

E. ghellinckii

E. lebomboensis

E. princeps

E. cerinus

E. heenanii

E. lehmannii

E. relictus

E. cupidus

E. hirsutus

E. longifolius

E. senticosus

E. cycadifolius

E. horridus

E. middelburgensis

E. transvenosus