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Cycas rumphii Miq.
Bull. Sci. Phys. Nat. Néerl. 2: 45 1839
Family: CYCADACEAE

Cycas rumphii Photo by: Josef Cycad Perner

Synonyms:

See all synonyms of Cycas rumphii
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Accepted name in llifle Database:
Cycas rumphii Miq.
Bull. Sci. Phys. Nat. Néerl. 2: 45 1839
Synonymy: 6
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Common Names include:
ENGLISH: Cycas, Queen sago palm, Queen sago, False sago, Ceylon sago, Cycad
BIAK (wós Vyak / wós kovedi / Biak-Numfor): Nufuès
CHINESE (中文): 华南苏铁, ci ye su tie
CZECH (Čeština): Cykas Rumpfův
DANISH (Dansk): Falsk sagocykas, Sagocykas
GERMAN (Deutsch): Rumpfs Sagopalmfarn, Farnpalme
SAWAI (Weda): Ftoi
THAI (ภาษาไทย): ปรงทะเล
TOK PISIN: Pattor

Subspecies, varieties, forms and cultivars of plants belonging to the Cycas rumphii complex

The C. rumphii complex comprises a number of related taxa which have sometimes been considered conspecific. Differences between these taxa lie mainly in the shape and indentation of the lamina of the megasporophylls.

  • Cycas circinalis L.: has leaflets not more than 13 mm broad, non-pepectinate megasporophyll with large lamina. Microsporophyll apex attenuate, reflexed. Distribution: southern India.
  • Cycas glauca Miq.
  • Cycas micronesica K.D.Hill
  • Cycas rumphii Miq.: has broad, falcate, hard, glossy leaflets with relatively broad bases, usually wholly spinescent petiole, and narrowly triangular megasporophyll lamina with a slender apical spine. Distribution: Indonesia, S. Borneo ans along the north coast of Papua New Guinea.
  • Cycas thouarsii R.Br.: has distinctly bluish new leaves with wholly spinescent petioles and the pronounced stout spines on the microsporophylls. Seeds do not have a crested sclerotests. Distribution: Madagascar, the Comoros Islands, Mayotte and the Seychelles. Scattered occurrences are also known on the East Coast of Africa from Tanzania throughout Kenya south the Mozambique.
  • Cycas zeylanica (J.Schust.) A.Lindstr. & K.D.Hill

24901 josef Josef Cycad Perner
Cycas rumphii Photo by: Josef Cycad Perner
25241 josef Josef Cycad Perner
Note the very large seeds. Photo by: Josef Cycad Perner

25242 josef Josef Cycad Perner
Cycas rumphii Photo by: Josef Cycad Perner
25243 josef Josef Cycad Perner
Immature seeds. Photo by: Josef Cycad Perner


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