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  Rhaphidophora Decursiva = Philodendron ? NO!
From: "Peter Boyce" <P.Boyce at lion.rbgkew.org.uk> on 1997.01.08 at 08:23:05(73)

Saw your mail about Rhaphidophora vs Philodendron and felt driven to
put finger to keyboard. Rhaphidophora hasn't been 'retired' in favour of
Philodendron. Both are 'good' genera and are, in fact, not even closely
related (other than both being in Araceae).

Rhaphidophora is in tribe Monstereae along with Monstera, Scindapsus,
Rhodospatha, Amydrium, Alloschemome, Stenospermation and
Epipremnum. Tribe Monstereae is grouped with tribes Spathiphylleae
(Spathiphyllum & Holochlamys), Anadendreae (Anadendrum) and
Heteropsideae (Heteropsis) in subfamily Monsteroideae.
Philodendron is the only genus in tribe Philodendreae and is most
closely related to tribes Homalomeneae (Furtadoa and Homalomena) and
Anubiadeae (Anubias) and probably also linked to tribe Culcasieae
(Culcasia and Cercestis (including Rhektophyllum)), and belongs to
subfamily Aroideae.

From: Todd Ruth <truth at weber.ucsd.edu> on 1997.01.08 at 14:13:57(84)
Thanks for all of the info! The relations of all of those genera
was particularly interesting. Would the keeper of the genera page,
http://www.mobot.org/IAS/genframe.html, please make a quick check
of whether the line:
Rhaphidophora Hassk. = Philodendron Schott
was intended? I may just be misunderstanding, but it looked like
that meant Rhaphidophora had been retired.

Any recommendations for a source for the kind of info that came
in response to my Rhaphidophora/Philodendron questions? Is there
a book which explains which genera are most related to which others
and gives descriptions/pictures of numerous species? I'm most
interested in Monstera, Philodendrons, and Anthuriums (and close
relatives to those, eg as I've now learned Rhaphidophora).

Thanks for your patience with a new-comer. I've only been raising
aroids (plants in general for that matter) for about 1 and 1/2 years
and the information gained from IAS/aroid-l has been very much

From: "Dr. Guanghua Zhu" <gzhu at lehmann.mobot.org> on 1997.01.09 at 10:53:51(93)
Dear Todd,

No, Rhaphidophora Hassk. is not a synonym of Philodendron Schott.
This is a mistake clearly introduced by myself. Sorry for the
confusion. I will have it fixed as soon as possible. Thank you very
much for the correction. I am sure there are other errors here and
there on our Web Page. Corrections are always welcomed and
appreciated. I am glad that you visited our Home Page for
information. I usually have the information checked before I put
themon the web. However, sometimes just can not help to put them on

For questions of such kind, The Plant Book by D. J. Mabberley
(Cambridge University Press) is the best reference in general. For
Araceae, the genera of Araveae by Bogner et al. (in press? I have not
seen it yet) will be the master book.

Please let me know if there is any one on the list is willing to help
to put more information for each genus (a checklist in my mind now)
for the IAS page. Don or I can provide the electronic data needed.


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