The Cycad Society, Inc. - Cycad Species Descriptions

Below is our ongoing database of original cycad species descriptions. If you happen to have an electronic/scanned copy of a description that is not listed here, please contact us at webmaster@cycad.org.

(Note: All of the documents below are in PDF format. See the note at the bottom of the page if you are unable to read them.)

Bowenia
B. serrulata	B. spectabilis
*Ceratozamia*
Cz. alvarezii Cz. becerrae Cz. brevifrons Cz. chimalapensis Cz. decumbens Cz. eurphyllidia Cz. fuscoviridis (resurrected) Cz. hildae Cz. hondurensis Cz. huastecorum Cz. kuesteriana Cz. latifolia Cz. matudae Cz. mexicana	Cz. microstrobila Cz. mixeorum Cz. miqueliana Cz. mirandae Cz. morettii Cz. norstogii (original) Cz. norstogii (emended) Cz. robusta Cz. sabatoi Cz. santillanii Cz. vovidesii Cz. whitelockiana Cz. zaragozae Cz. zoquorum
Chigua (= Zamia)
Ch. bernalii (= Z. restrepoi)	Ch. restrepoi (= Z. restrepoi)
*Cycas*
Cy. aenigma Cy. angulata Cy. armstrongii Cy. balansae Cy. basaltica Cy. beddomei Cy. cairnsiana Cy. cantafolia Cy. chevalieri Cy. circinalis Cy. diannanensis Cy. ferruginea Cy. furfuracea Cy. glauca Cy. hainanensis Cy. intermis Cy. lacrimans Cy. lane-poolei Cy. macrocarpa Cy. media Cy. micholitzii Cy. montana	Cy. nathorstii Cy. nitida Cy. panzhihuaensis Cy. papuana Cy. pectinata Cy. riuminiana Cy. rumphii C. sancti-lasallei Cy. saxatilis Cy. schumanniana Cy. seemannii Cy. siamensis Cy. sphaerica Cy. sundaica Cy. swamyi Cy. szechuanensis Cy. taiwaniana Cy. terryana Cy. thouarsii Cy. verspertilio Cy. wadei Cy. zambalensis
*Dioon*
D. angustifolium D. angustifolium (resurrected) D. argenteum D. califanoi D. caputoi D. edule D. holmgrenii D. mejiae	D. mejiae (emended) D. merolae D. purpusii D. rzedowskii D. sonorense D. spinulosum D. stevensonii D. tomasellii
*Encephalartos*
E. aemulans E. aplantus E. barteri subsp. allochrous E. brevifoliolatus E. bubalinus E. cerinus E. cupidus E. equatorialis E. flavistrobilus (= ?E. shaijesii) E. hildebrandtii E. hirsutus E. humilis E. imbricans (= E. equatorialis) E. inopinus E. ituriensis E. ituriensis (emended) E. kanga (= E. kisambo)	E. kisambo E. mackenziei E. macrostrobilus E. marunguensis E. middelburgensis E. msinganus E. natalensis E. paucidentatus E. relictus E. schmitzii E. sclavoi E. senticosus E. successibus (= E. whitelockii) E. tegulaneus E. tegulaneus subsp. powsii E. venetus (= E. nubimontanus) E. voiensis (= E. kisambo)
*Lepidozamia*
Catakidozamia hopei (later changed to Lepidozamia) L. peroffskyana
*Macrozamia*
M. communis M. diplomera M. douglasii M. dyeri M. fawcettii M. flexuosa	M. fraseri M. lucida M. mountperriensis M. riedlei M. stenomera
*Microcycas*
Zamia calocoma (later changed to Microcycas) Microcycas calocoma (genus name change)
*Stangeria*
Stangeria eriopus (changed from Lomaria)
*Zamia*
Z. acuminata Z. allison-armourii (= Z. pumila) Z. amazonum Z. amblyphyllidia (= Z. erosa) Z. amplifolia Z. angustissima Z. boliviana Z. bussellii Z. chigua Z. cremnophila Z. cunaria Z. decumbens Z. disodon Z. dressleri Z. elegantissima Z. encephalartoides Z. erosa Z. fairchildiana Z. fischeri Z. floridana Z. furfuracea Z. gomeziana Z. grijalvensis Z. guggenheimiana (= Z. angustifolia) Z. gutierrezii (= Z. muricata) Z. hamannii Z. herrerae Z. huilensis Z. hymenophyllidia Z. imperialis Z. incognita Z. inermis Z. integrifolia (= Z. pumila) Z. ipetiensis Z. lacandona Z. lecointei Z. lindenii Z. lindleyi Z. loddigesii Z. lucayana Z. macrochiera Z. manicata Z. meermanii Z. melanorrhachis Z. montana	Z. monticola Z. multifoliolata (= Z. angustifolia) Z. muricata Z. nana Z. nesophila Z. neurophyllidia Z. obliqua Z. oligodonta (synonymization) Z. oreillyi Z. ottonis (= Z. pygmaea) Z. paucijuga Z. poeppigiana Z. polymorpha Z. polymorpha (synonymization) Z. portoricensis Z. prasina (redefined) Z. pseudomonticola Z. pseudoparasitica Z. pumila Z. purpurea Z. pygmaea Z. pyrophylla Z. restrepoii (ex Chigua) Z. roezlii Z. sandovalii Z. silicea (= Z. pygmaea) Z. silvicola (= Z. integrifolia) Z. skinneri Z. soconuscensis Z. spartea Z. splendens Z. standleyi Z. stevensonii Z. stricta Z. tenuis (= Z. integrifolia) Z. tolimensis Z. tuerckheimii Z. ulei Z. umbrosa (= Z. integrifolia) Z. urep Z. variegata Z. vazquezii Z. wallisii Z. yatesii (= Z. angustifolia)

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