Talk:Drosera uniflora

Improvement drive

Greetings to anyone concerned. I and 2 other people (AS1983, Apete320) are interested in improving this article. We are interested in making it more comprehensive, giving it an appropriate structure with headings and a table of contents, and adding media, thereby moving it closer to featured article status. The first thing we would like to add is the following heading and text:

Phylogeny

According to "Phylogeny of the sundews", Drosera Uniflora and its genetic and morphological sister Drosera Stenopetala probably derive from Australia, which contains over 80 species of Drosera and appears to be the center of genetic diversity for the genus. “The rbcL tree shows that the South American species arose by dispersal from Australia.” Although Drosera Arcturi, which is native to New Zealand and southeastern Australia is thought to be basally related due to its shared characteristics, “on the rbcL tree, Drosera Arcturi was not closely related to Drosera Stenopetala and Drosera Uniflora.” [2]

Reference to be added: http://www.amjbot.org/content/90/1/123.full — Preceding unsigned comment added by G1956w (talk • contribs) 04:41, 26 March 2012 (UTC)

Previous comment by G1956w (talk) 04:43, 26 March 2012 (UTC)

We would also like to add sections on morphology, habitat, and feeding method. G1956w (talk) 04:16, 27 March 2012 (UTC)

Images

Also in regards to the photo, I have a couple of other photos that we may be able to use, here is the link to the photos: http://www.chileflora.com/Florachilena/FloraEnglish/HighResPages/EH0775.htm

Before I add them I would like others to review them as well, the copyright seems to give me permission but I do not want to make another mistake like the last photo I uploaded. --Apete320 (talk) 17:12, 27 March 2012 (UTC)

As far as I can tell, the images at the website linked above are copyrighted and the notice does not seem compatible with Wikipedia, specifically the note about not being able to alter or reuse. Under the image use policy, the license must permit both commercial reuse and derivative works. Besides, the images have a copyright watermark, which is discouraged. I'm afraid that most images of the plant that you find will be unacceptable. One possibility is to find a drawing in a pre-1923 publication because such a work is considered to be in the public domain in the US and can be used. I don't know if any illustrations exist, though. You could also e-mail an appeal to the author of these photos. Guidelines for doing so, along with suggested format of the e-mail, can be found here: Wikipedia:Requesting copyright permission. As I mentioned to G1956w on my talk page, I've found that Flickr users are often flattered that you want to use their photos. Use the guidelines at the "requesting copyright permission" link and send them a short note, pleading that there are very few if any illustrations available for free online. When people upload files to Flickr, many do so without changing the default "strict copyright" option to something else like Creative Commons that they might agree with. Simply ask them to change the photo's copyright permission to Creative Commons with no restrictions (commercial and derivatives allowed) and then use the upload function as you did before once you have seen the changed license information for that photo. Hope that helps! Rkitko ^(talk) 03:11, 28 March 2012 (UTC)

That makes sense, but there is still one thing I am not sure on. This is the photo I wanted to use before, on the right hand side it mentions the license and says "some rights reserved". When I click on those words it brings me here and at the top of the page it says "Creative Commons". It mentions I am "free to share - to copy, distribute and transmit the work". As long as I don't try to sell it I feel I am allowed to use this image, but I feel like I am missing something. Is there anything that is restricting me from posting this onto Wikipedia? Thank you on your help thus far, it has been informative.--Apete320 (talk) 16:32, 28 March 2012 (UTC)

Unfortunately that image is under a Creative Commons (CC) license that doesn't permit commercial reuse or derivatives and therefore cannot be used on Wikipedia/Wikimedia Commons. See here for a summary of the various CC licenses found on Flickr and how they relate to Wikipedia's image use policy. mgiganteus1 (talk) 16:49, 28 March 2012 (UTC)

New lead proposed

I would like to add a bit to this lead. Here is my proposed edit:

Drosera uniflora, is a species in the carnivorous plant genus Drosera that is native to southern Chile, Argentina, and the Falkland Islands. It is a tiny member of the Drosera genus (commonly called sundews) with a solitary white flower as its name would suggest. Stalked glands on its leaves, which secrete sticky mucilage (dew) on the tips, are used to capture and hold its insect prey, from which the plant derives the nutrients it cannot obtain in sufficient quantity from the soil. It was originally described in 1809 by the botanist Carl Ludwig Willdenow.

Note: I have not included citations in the above as they are discouraged in the lead section according to Wikipedia:Citing sources. G1956w (talk) 00:01, 31 March 2012 (UTC)

New section

I would like to add a section on distribution and habit as follows:

As is common with sundews, D. uniflora lives in nutrient poor soil (used in the broadest sense--anything that encourages growth), and relies on insects to supplement its nutritional requirements. But unlike most of the genus, it likes to have its roots in water, and can be found in bogs, moorlands, or otherwise watery areas which lack in organic nitrogen and phosphorus; nutrients it receives from insects it captures and digests. In Chile it grows in the mountains near the ocean between the altitudes of 500 and 2000 meters; typically on the north facing slopes or level areas as it likes a lot of sun. It has been found in Tierra del Fuego and the northern edge of the Patagonia Forest. Although Barthlott et al have stated that it has been found growing on Clarence Island off the coast of Antarctia, it would seem more likely that this was mistaken for Clarence Island, Chile, as Antarctica is only known to support two species of flowering plants.

References

G1956w (talk) 06:36, 1 April 2012 (UTC)

New section -- Feeding method

I think a section on the feeding method would be appropriate for this article. Proposed section:

Drosera uniflora captures its prey through an adhesive trapping mechanism using “mobile tentacles”. Glands at the tips of the tentacles secret sticky mucilage, an adaptation shared with the rest of the Drosera genus, that prevents the plant from smothering itself in its own mucilage as it waits. The mucilage that each gland produces forms a droplet that attracts insects. When an insect lands on the leaf, it sticks to the mucilage drops and the tentacles close in around the insect and suffocate it. The tentacles and sessile glands then release protease and phosphatase along with other digestive enzymes to digest the insect. The nutrients are then taken in by the tentacles and glands on the surface of the leaf.

refs

[1] Brittnacher, John. "Carnivorous Plant Trapping Mechanisms." 15 March 2012. <http://carnivorousplants.org/cp/TrappingMechanisms.php>.

[2] Barthlott W, Porembski S, Seine R, Theisen I (2007). The Curious World of Carnivorous Plants: A Comprehensive Guide to Their Biology and Cultivation. Portland, Or.: Timber Press

[3] Carlquist, Sherwin, et al. "Drosera – the Sundews." Botanical Society of America. Retrieved 15 March 2012. http://www.botany.org/carnivorous_plants/Drosera.php

G1956w (talk) 06:08, 3 April 2012 (UTC) G1956w (talk) 06:28, 3 April 2012 (UTC)

I think this article is now beyond stub stage. Does anyone have any comments on this? G1956w (talk) 12:38, 8 April 2012 (UTC)

References