AN INTRODUCTION TO THE DISTRIBUTION OF FICUS

Ficus displays many problems fundamental to the distribution of tro-<br />pical plants. As a natural g-enus, one of the most derived of its family, it shows that these problems refer not to the origin of the genus or of its major groups, but to the subsequent course of sectional evolution. Det...

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Main Author: E. J. H. CORNER
Format: Article
Language:English
Published: Indonesian Institute of Sciences 2015-11-01
Series:Reinwardtia
Subjects:
Online Access:http://e-journal.biologi.lipi.go.id/index.php/reinwardtia/article/view/1007
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author E. J. H. CORNER
author_facet E. J. H. CORNER
author_sort E. J. H. CORNER
collection DOAJ
description Ficus displays many problems fundamental to the distribution of tro-<br />pical plants. As a natural g-enus, one of the most derived of its family, it shows that these problems refer not to the origin of the genus or of its major groups, but to the subsequent course of sectional evolution. Detailed morphological revision must, therefore, precede phytogeography. The facts, here epitomised, are based on monographic revision of the species of Asia and Australasia, and have not been called from other writings. Seed-dispersal in Ficus must be accompanied by dispersal of the pollinating wasp. It seems true, as Beccari pointed out, that the large banyans have an advantage in this respect over small trees impeded by the dense forest.Two subgenera, Pharmaeosycea and Urostigma, suggest a southern migration, but the third subgenus Ficus suggests a northern origin and dispersal. Pharmaeosycea, hitherto regarded as American, has 46 species in Asia and Australasia, and it comprises most of the fig-flora of New Caledonia (26 species in all, 20 endemic species of Pharmaeosycea). Ficus prolixa (Polynesia) seems related to sect. Americana of Urostigma. The F. elastica group (Queensland, Papua, Solomon Islands) seems related to the African sect. Bibracteata of Urostigma. The F, benghalensis group parallels the distribution of the Dipterocarpaceae, but does not occur in<br />Africa.
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spelling doaj.art-301ad3dad6a44b9ca9ba774521756b7a2022-12-22T01:51:37ZengIndonesian Institute of SciencesReinwardtia0034-365X2337-88242015-11-0143325355913AN INTRODUCTION TO THE DISTRIBUTION OF FICUSE. J. H. CORNERFicus displays many problems fundamental to the distribution of tro-<br />pical plants. As a natural g-enus, one of the most derived of its family, it shows that these problems refer not to the origin of the genus or of its major groups, but to the subsequent course of sectional evolution. Detailed morphological revision must, therefore, precede phytogeography. The facts, here epitomised, are based on monographic revision of the species of Asia and Australasia, and have not been called from other writings. Seed-dispersal in Ficus must be accompanied by dispersal of the pollinating wasp. It seems true, as Beccari pointed out, that the large banyans have an advantage in this respect over small trees impeded by the dense forest.Two subgenera, Pharmaeosycea and Urostigma, suggest a southern migration, but the third subgenus Ficus suggests a northern origin and dispersal. Pharmaeosycea, hitherto regarded as American, has 46 species in Asia and Australasia, and it comprises most of the fig-flora of New Caledonia (26 species in all, 20 endemic species of Pharmaeosycea). Ficus prolixa (Polynesia) seems related to sect. Americana of Urostigma. The F. elastica group (Queensland, Papua, Solomon Islands) seems related to the African sect. Bibracteata of Urostigma. The F, benghalensis group parallels the distribution of the Dipterocarpaceae, but does not occur in<br />Africa.http://e-journal.biologi.lipi.go.id/index.php/reinwardtia/article/view/1007DISTRIBUTION OF FICUS
spellingShingle E. J. H. CORNER
AN INTRODUCTION TO THE DISTRIBUTION OF FICUS
Reinwardtia
DISTRIBUTION OF FICUS
title AN INTRODUCTION TO THE DISTRIBUTION OF FICUS
title_full AN INTRODUCTION TO THE DISTRIBUTION OF FICUS
title_fullStr AN INTRODUCTION TO THE DISTRIBUTION OF FICUS
title_full_unstemmed AN INTRODUCTION TO THE DISTRIBUTION OF FICUS
title_short AN INTRODUCTION TO THE DISTRIBUTION OF FICUS
title_sort introduction to the distribution of ficus
topic DISTRIBUTION OF FICUS
url http://e-journal.biologi.lipi.go.id/index.php/reinwardtia/article/view/1007
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