Cycad Literature Database

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Authoritative glossary, universal trait order, and standardized checklists of taxonomically informative traits for the extant Cycadales
Haynes JL
Phytotaxa 743 (1) : 1-63 (2026)
DOI
Zamia urarinorum (Cycadales, Zamiaceae), a new cycad species from wetland forests of Loreto, Peru
Calonje M, Zárate-Gómez R, Jones MA, Segalla R, Martín Brañas M, Hidalgo Pizango CG, Roca Alcázar F
Phytotaxa 741 (1) : 1-17 (2026)
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Critical review of morphological trait assessment in cycad (Cycadophyta: Cycadales) taxonomy: Importance of consistency and need for standardization
Haynes JL
Phytotaxa 738 (1) : 1-335 (2026)
DOI
Encephalartos lanatus-associated bacteria and extracellular enzyme activities improve soil nutrition in nutrient-deficient grassland ecosystems
Sigasa M, Magadlela A, Pérez-Fernández MA, Otang-Mbeng W, Suinyuy TN
Scientific African 29 : e02879 (2025)
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Expanding the Cycad Horticulture Toolbox: Air Layer Protocols for Cycas Stems
Marler TE, Cruz GN
Horticulturae 11 (7) : 814 (2025)
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CC BY 4.0
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Novel species of Cycas (Cycadaceae) from Mindanao Island, Philippines

Journal Article
đź“–
Agoo EMG, Madulid DA, Callado JR. 2019. Novel species of Cycas (Cycadaceae) from Mindanao Island, Philippines. Mem. New York Bot. Gard. 117 : 529-539.

Abstract

Two new species, Cycas mindanaensis and C. flabellata, from Mindanao, Philippines, are described and illustrated. These are compared with C. edentata, C. lacrimans , and C. sancti-lasallei , which are also found within this second largest island in the archipelago. Conservation status of the species are assessed as threatened, mainly by anthropogenic activities.