Year |
Vol. (Issue) |
Pages |
Author(s) |
Title |
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1993 |
16 |
5-11 |
Julius O. Boos, Hans E. Boos |
Additions to the aroid flora of Trinidad with notes on their probable origins and uses
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| ABSTRACT: These notes are based on collections and observations commencing in July 1988, when the senior author visited his homeland. They document recent discoveries of both native and introduced species of aroids and attempt where possible to explain reasons for some of the introductions.
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1993 |
16 |
33-36 |
Julius O. Boos |
Experiencing Urospathas
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| ABSTRACT: Urospatha, with their magnificent, large sagittate leaves with purple and green patterned petioles and elongated spathes in muted colors of bronze and ivory elegantly twisted at their tips, possess a somber beauty you may find hard to ignore or resist.
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1997 |
20 |
13-26 |
Julius O. Boos |
Observations on New World Araceae--Lasieae
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| ABSTRACT: Three neotropical Lasioids were cultivated and studied over a period of years. Observations were made which add to our knowledge of these poorly studied plants, some previously known only from a few herbarium specimens. Further research is urgently needed both in the lab and field as continuing deforestation seriously threatens the survival of several species in the wild. In addition, the culture of these semi-aquatic plants has proven difficult, and their survival in most collections is normally very short term. Methods for their successful cultivation have been outlined (Boos, 1993) and research continues to improve their long term survival. The genus Urospatba is in urgent need of revision. Two of the three described species of Anapbyllopsis are known only from a Single herbarium sheet.
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2002 |
25 |
63-66 |
Thomas B. Croat, S. J. Mayo, Julius O. Boos |
A new species of Brazilian Philodendron subgenus Meconostigma (Araceae)
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| ABSTRACT: Philodendron xanadu is described as new. It represents an interesting member of section Meconostigma but differs from other members of that subgenus by its nearly complete lack of posterior lobes and its weakly developed posterior ribs.
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2005 |
28 |
88-90 |
Julius O. Boos |
A new species of Xanthosoma (Araceae) for Trinidad
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| ABSTRACT: Xanthosoma aristeguietae (Bunting) Madison is described from Trinidad, W.I.
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2007 |
30 |
140-141 |
Julius O. Boos |
Growing aroids from seed: Urospatha and other Lasieae
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|
| ABSTRACT: Many aroiders have questions about the best way to grow aroids from seed. A simple question, but like most simple and quick requests, the answer is far from short and easy. Since a number of articles relating to other methods of propagation had been submitted for this issue, it seemed to be a good idea to round these out by inviting contributions from some of the most active members of the society. These were the responses, sometimes going further than the practical by reminding us of the importance of increasing and spreading aroids in collections since so much of their habitat is being lost.
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2008 |
31 |
107-112 |
Julius O. Boos |
Additional notes on Philodendron xanadu (Araceae)
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| ABSTRACT: Philodendmn xanadu Croat, Mayo & Boos was described in 2002 as a new species of Philodendron, and is a member of the subgenus or section Meconostigma, the "self-heading" philodendrons. In this description it is stated that this species differs from other members of the group of the subgenus by its nearly complete lack of posterior lobes on its leaf blades, and the weakly developed posterior ribs. Further observations have proven this statement to be in error, although other distinguishing characters remain. The changes that should be made in the description are laid out. The probable effects of chemicals used in the tissue culture process which affect the appearance and size of the many thousands of commercially produced specimens of this Philodendron species are briefly discussed.
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2009 |
32 |
126-131 |
Wilbert L. A. Hetterscheid, Josef Bogner, Julius O. Boos |
Two new Caladium species (Araceae)
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