A NEW INTERPRETATION OF THE COMPOUND STROBILAR STRUCTURES OF CORDAITES AND CONIFERS

Article Sidebar

PDF
Published: Jul 17, 2025
Keywords:
COMPOUND STROBILAR

Main Article Content

HSUAN KENG

Abstract

The compound strobili of cordaites and conifers (e.g. Amentotaxiis) is interpreted by the application, of the telome theory. Homologies of organization among the strobilar structures and the pinnate phylloclade of Phyllocladus are also suggested.

Article Details

Issue
Vol. 9 No. 4 (1980)
Section
Articles
Creative Commons License

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

References

ANDREWS, H. N. (1961). Studies in paleobotany. J. Wiley, New York.

ARNOLD, C. A. (1947). An introduction to paleobotany. McGraw-Hill, New York.

BANKS, H. P. (1970). Evolution and plants of the past. Wadsworth, Belmont.

COULTER, J M. & CHAMBERLAIN, C. J. (191.7). Morphology of Gymnosperms. Unir. Chicago Press, Chicago.

FLORIN, R. (1948). On Nothotaxus, a new genus of the Taxaceae from eastern China. In Acta Horti Berg. 14: 385-395.

FLORIN, E. (1951). Evolution in Cordaites and conifers. In Acta Horti Berg. 15: 285-388.

KENG, H. (19G9). Aspects of morphology of Amentotaxus formosana with a note on the taxonomic position of the genus. In J. Arnold Arb. 50: 432-446.

KENG, H. (1974). The phylloclade of Phyllocladus and its possible bearing on the branch systems of progymnosperms. In Ann. Bot. n.s. 38: 754-764.

MEEUSE, A. D. J. (1963). From ovule to ovary: A contribution to the phylogeny of the megasporangium. In Acta Biotheoret. 16: 127-182.

RENAULT, B. (1879). Structure comparee de quelques tiges de la flore carbonifere. In Nouv. Arch. Mus. Hist. Nat. ser 2, 2: 213-348 (original not seen, cited in Florin 1951).

SAXTON, W. T. (1934). Notes on conifers. VIII. The morphology of Austrotaxus spicata. In Ann. Bot. 48: 412-427.

WILDE, M. H. (1944). A new interpretation of coniferous cones. I. Podocarpaceae (Podocarpus). In Ann. Bot. n.s. 8: 1-14.

WILDE, M. H. (1975). A new interpretation of microsporangiate cones in Cephalotaxaceae and Taxaceae. In Phytomorphology 25: 434-450.

ZIMMERMANN, W. (1930). Die Phylogenic dor Pflanzen. Erster Teil, G. Fischer, Jena.

ZIMMERMANN, W. (1S52). Main results of the telome theory. In Palaeobotanist 1: 456-470.