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Thread: Shortbus' Photo Thread

  1. #73
    Whimgrinder's Avatar
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    Those are Liverworts, a type of ancient bryophyte. Virtually unchanged since the fossil record (to be played at 33 and 1/3, of course), these strange things reproduce by spores, not seed. The palm-like bodies you see in the photo are the female stalks, known as archgonia. I see no male stalks, which suggests that this species may be dioecious (male and female plants are separate, like the Nepenthes; either/or, but not both). Some species can also reproduce asexually via "gemma cups" which form like little bird nest shaped organs on the surface of the flat thallus ("leaf" surface), and the gemmae are dispersed by water splashing on the plants.
    You can see gemma cups on the thallus surface in this photo, and the cups are full of gemmae, waiting to be dispersed by rain:


    Liverworts are quite fascinating.

    See: http://en.wikipedia.org/wiki/Marchantiophyta
    Last edited by Whimgrinder; 06-17-2014 at 01:19 PM.

  2. #74
    theplantman's Avatar
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    I think of liverworts whenever I see pygmy Drosera splashing out their gemmae. It was the liverworts that figured it out first!

    It's incredibly difficult to get college students to see how fascinating liverworts are. Same thing whenever I explain Sphagnum moss. Playing with their phones is more important.
    Last edited by theplantman; 06-17-2014 at 01:25 PM.

  3. #75
    Whimgrinder's Avatar
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    Quote Originally Posted by theplantman View Post
    I think of liverworts whenever I see pygmy Drosera splashing out their gemmae. It was the liverworts that figured it out first!

    It's incredibly difficult to get college students to see how fascinating liverworts are. Same thing whenever I explain Sphagnum moss. Playing with their phones is more important.
    Playing with phones IS more important! Duh! (sarcasm)

  4. #76
    Keith's Avatar
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    May have to add liverworts to the plants collection! These are soo cool! Thanks Whim for a great explanation. If I can't keep them going I will just say I went to the doctor and had them removed.
    My Grow/Want Lists
    -The horticulturalist formerly known as Shortbus-

  5. #77
    theplantman's Avatar
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    For cultivation I recommend extremely high humidity. I keep the ones at work under a misting bench. While they appreciate being fed, this can cause algae and you have to strike a careful balance.

  6. #78

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    The gemma cups remind me of Utricularia pubescens stolons with the indentation. Interesting plants.

  7. #79
    For the love of Science! Dragoness's Avatar
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    Very cool. I think that indoor greenhouse might be useful here. how do you light it? Is it in front of a window?

  8. #80
    Keith's Avatar
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    P. agnata
    Last edited by Keith; 06-20-2014 at 05:25 PM. Reason: again typo
    My Grow/Want Lists
    -The horticulturalist formerly known as Shortbus-

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