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Post by magnum on Mar 29, 2007 15:29:33 GMT
I have some fork-leafed sundews that I have grown from seed and I have no idea what they are. Does anyone know how to tell the difference between the species? Most of the leaves have have 4 points, but some have 5 or more.
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Post by BarryRice on Mar 29, 2007 20:25:45 GMT
I have some fork-leafed sundews that I have grown from seed and I have no idea what they are. Does anyone know how to tell the difference between the species? Most of the leaves have have 4 points, but some have 5 or more. Despite the age of the publication, Slack's works actually go into the whole binata, dichotoma, multifida thing quite nicely. I've done a bit of research on these, actually, and have even written a paper on the species, but for various reasons I've decided not to publish it. (Therein hangs a tale....) |
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Post by flytraper on Mar 29, 2007 20:29:33 GMT
a photo would help. also, how old are they. plants age can effect the number of points
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Post by magnum on Mar 29, 2007 23:47:53 GMT
I can't get my pictures on b/c they're not in the internet. The plants are about 1.5 years old, and the tentacles are clear to red. The leaves themselves are light green to dark red. The parent was light green with red tentacles. I'm not sure how old it was, but it filled up a six inch pot and the leaves had many (more than 10) points and were pendulous.
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Post by Sean Spence on Mar 30, 2007 7:25:21 GMT
I have some fork-leafed sundews that I have grown from seed and I have no idea what they are. Does anyone know how to tell the difference between the species? Most of the leaves have have 4 points, but some have 5 or more. As things stand at the moment there is only a single species. From my observations in the wild, that's how it should remain in my opinion. Your description sounds like a "multifida" form. |
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Post by magnum on Mar 30, 2007 14:25:27 GMT
Is the species D. binata or D. dichatoma?
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Post by Vater Araignee on Apr 16, 2007 16:49:41 GMT
I don't usually like to make one or two word posts, which is why I wrote this sentence.
D. binata
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Post by shartmeyer on Apr 19, 2007 8:31:25 GMT
Referring to Jan Schlauers dichotomous key to the genus Drosera, the forked sundews are all within the monotypic Drosera section Phycopsis. That means there is only one species: Drosera binata, but beside the single forked variety with two tips there are more varieties as var. dichotoma (mainly four tips) or multifida (mainly more than four tips) or var. multifida extrema with up to 64 and more tips.
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