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#1
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ID requested on scarlet lawn weed
This plant with scarlet flowers is currently (early summer) growing in
a Sydney park. The environment is regularly mown lawn. The plant is growing among buffalo grass, and the leaves look for all the world like that grass. The leaves have only ribs, so I guess it is a monocot. There is a hazel nut sized, but oval shaped, brown corm at the base of the stem. What is this plant? http://www.box.net/shared/static/ipl86k6m2j.jpg |
#2
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ID requested on scarlet lawn weed
"Richard Wright" wrote in message ... This plant with scarlet flowers is currently (early summer) growing in a Sydney park. The environment is regularly mown lawn. The plant is growing among buffalo grass, and the leaves look for all the world like that grass. The leaves have only ribs, so I guess it is a monocot. There is a hazel nut sized, but oval shaped, brown corm at the base of the stem. What is this plant? http://www.box.net/shared/static/ipl86k6m2j.jpg Not sure but it looks like some of these http://images.google.com.au/images?h...-8&sa=N&tab=wi. I think these have been reclassified as Gladiolus. |
#3
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ID requested on scarlet lawn weed
Cannot see how many stamens there are. If 6, try Liliaceae; if
3, try Iradiaceae - (or equivalents if you use APG taxonomy). Looks a bit like a Clivia or Kaffir Lily (which is an Iradiaceae). Peter "Richard Wright" wrote in message ... This plant with scarlet flowers is currently (early summer) growing in a Sydney park. The environment is regularly mown lawn. The plant is growing among buffalo grass, and the leaves look for all the world like that grass. The leaves have only ribs, so I guess it is a monocot. There is a hazel nut sized, but oval shaped, brown corm at the base of the stem. What is this plant? http://www.box.net/shared/static/ipl86k6m2j.jpg |
#4
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ID requested on scarlet lawn weed
On Sat, 01 Nov 2008 09:52:05 +1100, Richard Wright
wrote: This plant with scarlet flowers is currently (early summer) growing in a Sydney park. The environment is regularly mown lawn. The plant is growing among buffalo grass, and the leaves look for all the world like that grass. The leaves have only ribs, so I guess it is a monocot. There is a hazel nut sized, but oval shaped, brown corm at the base of the stem. What is this plant? http://www.box.net/shared/static/ipl86k6m2j.jpg Thanks to Peter and Loosecannon. Following those leads, I now think it is a variety of Moraea miniata. See, for example: http://www.weeds.org.au/cgi-bin/weed...all&car d=H20 The leaves on the specimen I found have been severely truncated by lawn mowing. |
#5
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ID requested on scarlet lawn weed
"Richard Wright" wrote in message ... On Sat, 01 Nov 2008 09:52:05 +1100, Richard Wright wrote: This plant with scarlet flowers is currently (early summer) growing in a Sydney park. The environment is regularly mown lawn. The plant is growing among buffalo grass, and the leaves look for all the world like that grass. The leaves have only ribs, so I guess it is a monocot. There is a hazel nut sized, but oval shaped, brown corm at the base of the stem. What is this plant? http://www.box.net/shared/static/ipl86k6m2j.jpg Thanks to Peter and Loosecannon. Following those leads, I now think it is a variety of Moraea miniata. See, for example: http://www.weeds.org.au/cgi-bin/weed...all&car d=H20 The leaves on the specimen I found have been severely truncated by lawn mowing. To be honest I have that one growing on my property and it is more of an orange/pink flower whereas your photo shows the flower as red. Even though a lawnmower has gone over it the leaf structure is different. I originally thought is could be a Babiana and even a Tritonia but the reds in Babiana are different and Tritonia's don't appear to come in red. The search goes on I think.... Richard |
#6
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ID requested on scarlet lawn weed
On Sun, 2 Nov 2008 18:10:52 +0900, "Loosecanon"
wrote: "Richard Wright" wrote in message .. . On Sat, 01 Nov 2008 09:52:05 +1100, Richard Wright wrote: This plant with scarlet flowers is currently (early summer) growing in a Sydney park. The environment is regularly mown lawn. The plant is growing among buffalo grass, and the leaves look for all the world like that grass. The leaves have only ribs, so I guess it is a monocot. There is a hazel nut sized, but oval shaped, brown corm at the base of the stem. What is this plant? http://www.box.net/shared/static/ipl86k6m2j.jpg Thanks to Peter and Loosecannon. Following those leads, I now think it is a variety of Moraea miniata. See, for example: http://www.weeds.org.au/cgi-bin/weed...all&car d=H20 The leaves on the specimen I found have been severely truncated by lawn mowing. To be honest I have that one growing on my property and it is more of an orange/pink flower whereas your photo shows the flower as red. Even though a lawnmower has gone over it the leaf structure is different. I originally thought is could be a Babiana and even a Tritonia but the reds in Babiana are different and Tritonia's don't appear to come in red. The search goes on I think.... Richard You are right - the flower is scarlet. I agree the search must go on. To assist this I have posted a photo of the flower that shows more detail. The length of each petal is 9 mm. Note the brown base to the three lower petals. http://www.box.net/shared/static/zscyia95m1.jpg |
#7
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ID requested on scarlet lawn weed
You are right - the flower is scarlet. I agree the search must go on. To assist this I have posted a photo of the flower that shows more detail. The length of each petal is 9 mm. Note the brown base to the three lower petals. http://www.box.net/shared/static/zscyia95m1.jpg Perhaps a Fressia laxa http://www.pacificbulbsociety.org/pb..._laxa_msi2.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi3.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi4.jpg http://www.pacificbulbsociety.org/pb..._corms_msi.jpg http://www.pacificbulbsociety.org/pb...laxa_seeds.jpg |
#8
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ID requested on scarlet lawn weed
On Oct 31, 3:52*pm, Richard Wright wrote:
This plant with scarlet flowers is currently (early summer) growing in a Sydney park. The environment is regularly mown lawn. The plant is growing among buffalo grass, and the leaves look for all the world like that grass. The leaves have only ribs, so I guess it is a monocot. There is a hazel nut sized, but oval shaped, brown corm at the base of the stem. What is this plant? http://www.box.net/shared/static/ipl86k6m2j.jpg Richard, OT a bit: What species are you calling buffalo grass? Here in Colorado, USA, we call Buchloe dactyloides buffalo grass. It was often found in bison wallows. |
#9
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ID requested on scarlet lawn weed
In article
, jon wrote: OT a bit: What species are you calling buffalo grass? Here in Colorado, USA, we call Buchloe dactyloides buffalo grass. It was often found in bison wallows. Apparently what Aussies call Buffalo grass is Stenotaphrum secundatum, elsewhere called St Augustine Grass: http://www.gardenet.com.au/turf/bu/buffalo.htm It is widely used as a lawn grass, being tough but not overly aggressive. At least in Sydney. -- Chookie -- Sydney, Australia (Replace "foulspambegone" with "optushome" to reply) http://chookiesbackyard.blogspot.com/ |
#10
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ID requested on scarlet lawn weed
On Mon, 3 Nov 2008 13:13:50 +0900, "Loosecanon"
wrote: You are right - the flower is scarlet. I agree the search must go on. To assist this I have posted a photo of the flower that shows more detail. The length of each petal is 9 mm. Note the brown base to the three lower petals. http://www.box.net/shared/static/zscyia95m1.jpg Perhaps a Fressia laxa http://www.pacificbulbsociety.org/pb..._laxa_msi2.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi3.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi4.jpg http://www.pacificbulbsociety.org/pb..._corms_msi.jpg http://www.pacificbulbsociety.org/pb...laxa_seeds.jpg Thanks. This is definitely the species. |
#11
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ID requested on scarlet lawn weed
Hi Richard
It is difficult from photos accurately to determine many plants. My book, admittedly written from a European perspective, gives the following characteristics to look for in a Freesia: -Slightly irregular, 6 petal (strictly 3 petals and 3 very similar sepals) flower with 3 stamens (your photo appears to have 6 stamens); style usually 3-branched. -Style branches narrow (not petaloid) -Few to many flowers on stem, in spikes or panicles (not at end of stem like crocus) -Plant with a corm (as shown in one of Loosescan's photos) -Style 3-branched, with each branch bifid (split in two) -Bracts 1.5cm; spike bent horizontally near lowest flower; flowers on one side of stem; leaves soft; wingless seeds. From this description (Stace New Flora of thee British Isles), I suspect that your plant is not a Freesia. Sorry - I cannot tell you what it is. Peter - "Richard Wright" wrote in message ... On Mon, 3 Nov 2008 13:13:50 +0900, "Loosecanon" wrote: You are right - the flower is scarlet. I agree the search must go on. To assist this I have posted a photo of the flower that shows more detail. The length of each petal is 9 mm. Note the brown base to the three lower petals. http://www.box.net/shared/static/zscyia95m1.jpg Perhaps a Fressia laxa http://www.pacificbulbsociety.org/pb..._laxa_msi2.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi3.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi4.jpg http://www.pacificbulbsociety.org/pb..._corms_msi.jpg http://www.pacificbulbsociety.org/pb...laxa_seeds.jpg Thanks. This is definitely the species. |
#12
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ID requested on scarlet lawn weed
On Tue, 4 Nov 2008 11:34:28 -0000, "Peter"
wrote: Hi Richard It is difficult from photos accurately to determine many plants. My book, admittedly written from a European perspective, gives the following characteristics to look for in a Freesia: -Slightly irregular, 6 petal (strictly 3 petals and 3 very similar sepals) flower with 3 stamens (your photo appears to have 6 stamens); style usually 3-branched. -Style branches narrow (not petaloid) -Few to many flowers on stem, in spikes or panicles (not at end of stem like crocus) -Plant with a corm (as shown in one of Loosescan's photos) -Style 3-branched, with each branch bifid (split in two) -Bracts 1.5cm; spike bent horizontally near lowest flower; flowers on one side of stem; leaves soft; wingless seeds. From this description (Stace New Flora of thee British Isles), I suspect that your plant is not a Freesia. Sorry - I cannot tell you what it is. Peter - "Richard Wright" wrote in message .. . On Mon, 3 Nov 2008 13:13:50 +0900, "Loosecanon" wrote: You are right - the flower is scarlet. I agree the search must go on. To assist this I have posted a photo of the flower that shows more detail. The length of each petal is 9 mm. Note the brown base to the three lower petals. http://www.box.net/shared/static/zscyia95m1.jpg Perhaps a Fressia laxa http://www.pacificbulbsociety.org/pb..._laxa_msi2.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi3.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi4.jpg http://www.pacificbulbsociety.org/pb..._corms_msi.jpg http://www.pacificbulbsociety.org/pb...laxa_seeds.jpg Thanks. This is definitely the species. Peter The pictures of Freesia laxa (see URLs above) are identical to my plant. However on pursuing the matter further I find that this plant has been removed from the Freesia genus and renamed Anomatheca laxa. So perhaps that reconciles things. Furthermore the plant is naturalised in Sydney, where I saw it growing: http://plantnet.rbgsyd.nsw.gov.au/cg...nomatheca~laxa Richard |
#13
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ID requested on scarlet lawn weed
Hi Richard
I am sure that you are right as you have the plant there in front of you. Even though scientific names are meant to be standard, they are often changed, much to the confusion of this aging, amateur botanist. What a great website you quote. I have done several trips to Australia, having family in Sydney and friends in Melbourne and Perth. One of my principle pleasures there is your amazing flora. I would have been immensely helped by a resource such as this. I will bookmark it for future visits. Best wishes Peter "Richard Wright" wrote in message ... On Tue, 4 Nov 2008 11:34:28 -0000, "Peter" wrote: Hi Richard It is difficult from photos accurately to determine many plants. My book, admittedly written from a European perspective, gives the following characteristics to look for in a Freesia: -Slightly irregular, 6 petal (strictly 3 petals and 3 very similar sepals) flower with 3 stamens (your photo appears to have 6 stamens); style usually 3-branched. -Style branches narrow (not petaloid) -Few to many flowers on stem, in spikes or panicles (not at end of stem like crocus) -Plant with a corm (as shown in one of Loosescan's photos) -Style 3-branched, with each branch bifid (split in two) -Bracts 1.5cm; spike bent horizontally near lowest flower; flowers on one side of stem; leaves soft; wingless seeds. From this description (Stace New Flora of thee British Isles), I suspect that your plant is not a Freesia. Sorry - I cannot tell you what it is. Peter - "Richard Wright" wrote in message . .. On Mon, 3 Nov 2008 13:13:50 +0900, "Loosecanon" wrote: You are right - the flower is scarlet. I agree the search must go on. To assist this I have posted a photo of the flower that shows more detail. The length of each petal is 9 mm. Note the brown base to the three lower petals. http://www.box.net/shared/static/zscyia95m1.jpg Perhaps a Fressia laxa http://www.pacificbulbsociety.org/pb..._laxa_msi2.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi3.jpg http://www.pacificbulbsociety.org/pb..._laxa_msi4.jpg http://www.pacificbulbsociety.org/pb..._corms_msi.jpg http://www.pacificbulbsociety.org/pb...laxa_seeds.jpg Thanks. This is definitely the species. Peter The pictures of Freesia laxa (see URLs above) are identical to my plant. However on pursuing the matter further I find that this plant has been removed from the Freesia genus and renamed Anomatheca laxa. So perhaps that reconciles things. Furthermore the plant is naturalised in Sydney, where I saw it growing: http://plantnet.rbgsyd.nsw.gov.au/cg...nomatheca~laxa Richard |
#14
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ID requested on scarlet lawn weed
Not being a botanist or taxonomist I never know how pressing some of
these namings are. My chief amateur's hate is the introduction of the rule that a family must have a genus with the name that produces the name of the family - Hence long entrenched family names Umbilliferae and Brassicaceae were thrown out of the window. I suppose somebody made a botanical reputation out of engineering these changes. Confusion was created in the name of tidiness. I grew up in southern England, where one could learn to identify just about every flowering plant. Not so here in Oz, I have found. Richard On Wed, 5 Nov 2008 11:32:07 -0000, "Peter" wrote: Hi Richard I am sure that you are right as you have the plant there in front of you. Even though scientific names are meant to be standard, they are often changed, much to the confusion of this aging, amateur botanist. What a great website you quote. I have done several trips to Australia, having family in Sydney and friends in Melbourne and Perth. One of my principle pleasures there is your amazing flora. I would have been immensely helped by a resource such as this. I will bookmark it for future visits. Best wishes Peter [remainder of thread snipped] |
#15
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ID requested on scarlet lawn weed
"Peter" wrote in message
What a great website you quote. I have done several trips to Australia, having family in Sydney and friends in Melbourne and Perth. One of my principle pleasures there is your amazing flora. I would have been immensely helped by a resource such as this. I will bookmark it for future visits. I find this site useful too: http://www.cpbr.gov.au/anbg/ |
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