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Biarum pyrami Biarum pyrami,Fall,Geotagged,Israel Click/tap to enlarge Species introCountry intro

Biarum pyrami

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    comments (4)

  1. View Ferdy Christant's profile
    Ferdy Christant
    Lion
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    Wow, that is on unusual plant! Is there anything you can tell about it to somebody like me with very limited botanical skills? Posted 5 years ago
    1. View Yael Orgad's profile
      Yael Orgad
      Lion
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      Many of the Arum family have similar look: what seems like a flower is actually an inflorescence. the big purple "petal" is called Spathe, and the stem in the middle is called Rachis.
      the spathe is wrapped around the rachis, and the flowers are tiny and grow on the lower part of the rachis, inside a small "cup" created by the spathe.
      the whole thing stinks like crap, to attract flies.
      the fly comes, crawls into the cup.
      there are 3 types of flowers:
      the upper ones are male flowers
      then there are some sterile flowers that act as a barrier
      and then - the female flowers.
      he fly crawls inside before the male flowers are fertile. it gets stuck and the sterile flower prevent it from going out.
      some time later (maybe hours, maybe days) the male flowers open and the fly crawls out - gets covered with pollen.
      next Biarum it will enter - again, it will get stuck in the "cup", covered with pollen from the previous flower, and pollinate the female flowers inside.
      I'll look for some more Biarums/Arums in my gallery... :-)       Posted 5 years ago
  3. View Yael Orgad's profile
    Yael Orgad
    Lion
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    another Biarum, cut so you can see its inside:
    Biarum bovei - inside the flower was cut as part of an educational botanical excursion. <br /> here you can see: <br /> at the bottom - the female flowers that look like short stems with white dots <br /> above them - the sterile flowers that look like dark-red hairs <br /> and at the top - the closed stamens of the male flowers. Biarum bovei,Fall,Geotagged,Israel

    Biarum bovei - inside the flower was cut as part of an educational botanical excursion. <br /> here you can see: <br /> at the bottom - the female flowers at the bottom, hidden <br /> above them - the sterile flowers that look like dark-red hairs <br /> and at the top - the open stamens of the male flowers, with lots of pollen. Biarum bovei,Fall,Geotagged,Israel
     Posted 5 years ago
    1. View Ferdy Christant's profile
      Ferdy Christant
      Lion
      View Lion class
      Excellent, thank you so much for the education :) Posted 5 years ago

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The Biarum pyrami

The autumnal "brother" of the Arum, Biarum pyrami is a short geophyte with flowers coming right out of the ground. the leaves will sprout later in the winter. the inflorescence is typical for the Arum family - a large dark spathe surrounding a long rachis.

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Similar species: Water-plantains, Seagrass
Species identified by Yael Orgad
View Yael Orgad's profile

By Yael Orgad

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Uploaded Nov 14, 2019. Captured Nov 9, 2019 11:51 in Rehov Hai 38, Binyamina Giv'at Ada, Israel.
country flag of Israel Explore Israel 4,835 1,940 0
  • COOLPIX B700
  • f/4.0
  • 10/1600s
  • ISO100
  • 9mm
Captured in the fall. More fall photos.