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Anthurium hookeri
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From: Steve at ExoticRainforest.com (ExoticRainforest) on 2007.12.07 at 21:48:39(16783)
As I often do, I've had my nose stuck in a botany book (Tom's) and I've been trying to learn anything possible about Anthurium hookeri. I've had two large plants for many years but of late have come to find out those aren't truly A. hookeri but are likely some hybrid form of unknown parents and origin. While we lived in Miami, everyone knew the plants I have as "Anthurium hookeri"!
I've been exchanging notes with Dr. Croat and with David Scherberich and have learned Anthurium hookeri isn't even in section Pachyneurium as everyone seems to believe. The actual section placement is still under scientific study, however this message from Dr. Croat helps to explain the current research, "I personally think that it is in a new section of its own. It differs from any other section in having scalariforme veins and glandular punctations. We had hoped that molecular studies would help to sort out some of these questions but the last I heard my student Monica had not really gotten good resolution on all the sections." The plants I have both have "ruffled" edges. But a photo received from David shows something very different with no ruffled edges. Both David and Tom indicate black glandular punctates can be seen (similar to "dots") on the underside of the leaf. A fully grown leaf should have 9 to 15 veins on each side of the center leaf vein and can be up to 89cm long (roughly 3 feet). The
peduncle can be up to 47cm long or 18.5 inches. And of major interest, the seed berries are whitish in color, not red. The spadix stands erect. I've found indications on many websites (including one scientific source) which states the seed berries of Anthurium hookeri are red. Very confusing!
It is probable the vast majority of specimens sold in South Florida aren't actually this species, but instead are hybrids simply using the name "Anthurium hookeri". This email from Tom to the members Aroid l several years ago offers a more positive way to determine if a specimen is truly Anthurium hookeri, "Anthurium hookeri which has scalariform veins (ladder-like) extending between the primary lateral veins. You can definitively prove it one way or the other though. If your plant has tiny black glandular dots on the lower surface and/or if it has supervolute vernation (rather than involute vernation) it is A. hookeri. If it lacks either it is a member of Anthurium section Pachyneurium series Pachyneurium." Julius explained about supervolate varnation, "Supervolate vernation is the way the very young emerging leaves are 'folded', (see page 347 of Deni Bown`s book Aroids, Plants of the Arum Family to see what involute verrnation looks like. Check this on most of your birds nest Anthuriums, very inte
resting when you notice it for the first time. Supervolute vernation is very much like what Deni calls convulute vernation which is what Anthurium hookeri has and what makes it different from all other birds nest Anthuriums, all of which Tom says have involute vernation." The lack of the glandular dots (known as glandular punctates) and "ladder like" veins precludes either of my plants from actually being Anthurium hookeri.
I'm including the scientific description:
A. hookeri Kunth, Enum. pl. 3:74. 1841. Type: Schott Drawing 517 serves as the lectotype (designated by Mayo, 1982)
Epiphyte. Internodes short, densely rooted; cataphylls lanceolate, 20-26 cm long, dilacerating from base. VERNATION- supervolute; Leaves rosulate; petioles triangular to D-shaped, 2-9 cm long, 1.5-1.7 cm wide; blades oblanceolate, broadest above middle, margins smooth, black glandular punctate on both surfaces, 35-89 cm long, 10-26 cm wide. primary lateral veins 9-15 per side, free to the margin, tertiary veins extending in a more or less parallel, ladder-like fashion between the primary lateral veins (scalariform). peduncle to 47 cm long, to 5 mm diam.; spathe pale green, tinged purple, oblong, to 9 cm long, to 1.5 cm wide; spadix violet-purple, cylindroid-tapered, to 10-16 cm long, to 5-7 mm diam,; Infructescence- berries, obovoid, whitish, to 6 mm long, to 4.5 mm wide.
The point of all this is to ask if anyone actually has the species? And, if so, do you know where one can be purchased?
Here's a link to all the information I've found so far but I'd love to learn more:
http://www.exoticrainforest.com/Anthurium%20hookeri%20pc.html
David's photo of the actual species is on my webpage.
Thanks!
Steve Lucas
| +More |
www.ExoticRainforest.com
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From: jpcferry2 at wanadoo.fr (Famille FERRY) on 2007.12.08 at 10:04:01(16787)
Hello Steve,
I know very well David Scherberich because he determined a lot of plants for the botanical garden of Nancy. He is an excellent botanist!
We have in culture Anthurium hookeri and it has indeed white berries.
Cordialy,
Genevi?ve
| +More |
----- Original Message -----
From: ExoticRainforest
To: Discussion of aroids
Sent: Friday, December 07, 2007 10:48 PM
Subject: [Aroid-l] Anthurium hookeri
As I often do, I've had my nose stuck in a botany book (Tom's) and I've been trying to learn anything possible about Anthurium hookeri. I've had two large plants for many years but of late have come to find out those aren't truly A. hookeri but are likely some hybrid form of unknown parents and origin. While we lived in Miami, everyone knew the plants I have as "Anthurium hookeri"!
I've been exchanging notes with Dr. Croat and with David Scherberich and have learned Anthurium hookeri isn't even in section Pachyneurium as everyone seems to believe. The actual section placement is still under scientific study, however this message from Dr. Croat helps to explain the current research, "I personally think that it is in a new section of its own. It differs from any other section in having scalariforme veins and glandular punctations. We had hoped that molecular studies would help to sort out some of these questions but the last I heard my student Monica had not really gotten good resolution on all the sections." The plants I have both have "ruffled" edges. But a photo received from David shows something very different with no ruffled edges. Both David and Tom indicate black glandular punctates can be seen (similar to "dots") on the underside of the leaf. A fully grown leaf should have 9 to 15 veins on each side of the center leaf vein and can be up to 89cm long (roughly 3 feet). Th
e peduncle can be up to 47cm long or 18.5 inches. And of major interest, the seed berries are whitish in color, not red. The spadix stands erect. I've found indications on many websites (including one scientific source) which states the seed berries of Anthurium hookeri are red. Very confusing!
It is probable the vast majority of specimens sold in South Florida aren't actually this species, but instead are hybrids simply using the name "Anthurium hookeri". This email from Tom to the members Aroid l several years ago offers a more positive way to determine if a specimen is truly Anthurium hookeri, "Anthurium hookeri which has scalariform veins (ladder-like) extending between the primary lateral veins. You can definitively prove it one way or the other though. If your plant has tiny black glandular dots on the lower surface and/or if it has supervolute vernation (rather than involute vernation) it is A. hookeri. If it lacks either it is a member of Anthurium section Pachyneurium series Pachyneurium." Julius explained about supervolate varnation, "Supervolate vernation is the way the very young emerging leaves are 'folded', (see page 347 of Deni Bown`s book Aroids, Plants of the Arum Family to see what involute verrnation looks like. Check this on most of your birds nest Anthuriums, very int
eresting when you notice it for the first time. Supervolute vernation is very much like what Deni calls convulute vernation which is what Anthurium hookeri has and what makes it different from all other birds nest Anthuriums, all of which Tom says have involute vernation." The lack of the glandular dots (known as glandular punctates) and "ladder like" veins precludes either of my plants from actually being Anthurium hookeri.
I'm including the scientific description:
A. hookeri Kunth, Enum. pl. 3:74. 1841. Type: Schott Drawing 517 serves as the lectotype (designated by Mayo, 1982)
Epiphyte. Internodes short, densely rooted; cataphylls lanceolate, 20-26 cm long, dilacerating from base. VERNATION- supervolute; Leaves rosulate; petioles triangular to D-shaped, 2-9 cm long, 1.5-1.7 cm wide; blades oblanceolate, broadest above middle, margins smooth, black glandular punctate on both surfaces, 35-89 cm long, 10-26 cm wide. primary lateral veins 9-15 per side, free to the margin, tertiary veins extending in a more or less parallel, ladder-like fashion between the primary lateral veins (scalariform). peduncle to 47 cm long, to 5 mm diam.; spathe pale green, tinged purple, oblong, to 9 cm long, to 1.5 cm wide; spadix violet-purple, cylindroid-tapered, to 10-16 cm long, to 5-7 mm diam,; Infructescence- berries, obovoid, whitish, to 6 mm long, to 4.5 mm wide.
The point of all this is to ask if anyone actually has the species? And, if so, do you know where one can be purchased?
Here's a link to all the information I've found so far but I'd love to learn more:
http://www.exoticrainforest.com/Anthurium%20hookeri%20pc.html
David's photo of the actual species is on my webpage.
Thanks!
Steve Lucas
www.ExoticRainforest.com
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Aroid-L at www.gizmoworks.com
http://www.gizmoworks.com/mailman/listinfo/aroid-l
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From: Steve at ExoticRainforest.com (ExoticRainforest) on 2007.12.08 at 20:39:32(16791)
Thanks for the input. Shortly after I published that note Dr. Croat, Julius and Joep Moonen all checked my text and gave additional input. After close to 10 years of growing specimens I thought to be Anthurium hookeri, (or Anthurium hookerii, as they seem to love to spell it) I am amazed I've never discovered this discrepancy before. But, even more amazing, is all the information on the internet, and eBay, which continues to show and offer "Anthurium hookeri" with red berries and ruffled leaves.
Steve Lucas
| +More |
----- Original Message -----
From: Famille FERRY
To: Discussion of aroids
Sent: Saturday, December 08, 2007 4:04 AM
Subject: Re: [Aroid-l] Anthurium hookeri
Hello Steve,
I know very well David Scherberich because he determined a lot of plants for the botanical garden of Nancy. He is an excellent botanist!
We have in culture Anthurium hookeri and it has indeed white berries.
Cordialy,
Genevi?ve
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From: abri1973 at wp.pl (Marek Argent) on 2007.12.10 at 06:43:53(16794)
Steve,
When the species name comes from a surname ending with "r" there is always one "i" - hookeri, bakeri, walkeri one "i"
also when the name ends on "i" or "y" beccarii, karwinskyi.
In other cases there are always 2 "i" - rehmannii, wallisii.
And when te name ends on "a" like Matsuda, the species name is matsudae.
Marek
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----- Original Message -----
From: ExoticRainforest
To: Discussion of aroids
Sent: Saturday, December 08, 2007 9:39 PM
Subject: [Aroid-l] Anthurium hookeri
Thanks for the input. Shortly after I published that note Dr. Croat, Julius and Joep Moonen all checked my text and gave additional input. After close to 10 years of growing specimens I thought to be Anthurium hookeri, (or Anthurium hookerii, as they seem to love to spell it) I am amazed I've never discovered this discrepancy before. But, even more amazing, is all the information on the internet, and eBay, which continues to show and offer "Anthurium hookeri" with red berries and ruffled leaves.
Steve Lucas
----- Original Message -----
From: Famille FERRY
To: Discussion of aroids
Sent: Saturday, December 08, 2007 4:04 AM
Subject: Re: [Aroid-l] Anthurium hookeri
Hello Steve,
I know very well David Scherberich because he determined a lot of plants for the botanical garden of Nancy. He is an excellent botanist!
We have in culture Anthurium hookeri and it has indeed white berries.
Cordialy,
Genevi?ve
__________ NOD32 Informacje 2712 (20071209) __________
Wiadomosc zostala sprawdzona przez System Antywirusowy NOD32
http://www.nod32.com lub http://www.nod32.pl
------------------------------------------------------------------------------
_______________________________________________
Aroid-L mailing list
Aroid-L at www.gizmoworks.com
http://www.gizmoworks.com/mailman/listinfo/aroid-l
__________ NOD32 Informacje 2712 (20071209) __________
Wiadomosc zostala sprawdzona przez System Antywirusowy NOD32
http://www.nod32.com lub http://www.nod32.pl
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From: drplantman at gmail.com (Jeremy P) on 2007.12.11 at 23:32:35(16806)
Hi Steve and Listers,
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From: Steve at ExoticRainforest.com (ExoticRainforest) on 2007.12.13 at 04:06:19(16811)
Back to you Jeremy. I'm just a novice, but it looks like one to me. I'm sure Tom and David will see this and hopefully give you a qualified confirmation. But I was amazed at how many growers have accepted plants that aren't Anthurium hookeri as that species! Denis told me in a private mail that growers in Florida give just about any Anthurium without a known ID that name!
Steve Lucas
| +More |
www.ExoticRainforest.com
Hi Steve and Listers,
From your descriptions (and not having done the proper ID work myself!) it sounds like we've got A. hookeri here at the Botanic Gardens Melbourne. I've attached pics of two different individuals, and would love confirmation or denial by those in the know!
And a quick, very large thank you to those 'in the know' who do post on this list - to have sound taxonomic, horticultural and often extremely amusing information poured straight into my inbox is a privilege beyond measure.
Many thanks,
Jeremy P
Melbourne, Australia
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From: kylefletcherbaker at yahoo.com (Kyle Baker) on 2008.01.30 at 19:14:16(17010)
Has anyone grown this? I'm finding conflicting cultural notes on temps, light, feed and watering. This was donated to the horticultural Program I belong to to University and its gone from 12 leaves last fall to 4 leaves this spring.
HELP
kfb maine
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