William Andresen Dichotomous Key

2 Comments

  1. Steph the TA

    Hi Will –

    Thanks for fixing this.

    I think for your A branch of the A couplet, you meant to say fir tree (which is a specific Genus, btw – Abies. Which this plant isn’t). You ARE on the right track, however, when A’ indicates the lack of cones (that’s the preferred phrasing, btw). Since the branches of a couplet should be relating to a single characteristic (and the presence or the lack of it), and since A’ IS correct, what should the A branch actually say?

    I’m finding that others are using thin and thick leaves for the B couplet. Plant 2 actually DOES have thin leaves. They’re near the base of the plant. There’s a more obvious difference between Plants 2, 3 and 4, however, and it’s this: Plant 4 does not have yellow petals (your C’ is incorrect). See if you can get another, really close look at Plant 4’s flower, then look at Plants 2 and 3 again. Plants 2 and 3 have this really showy feature, and Plant 4 does not.

    If it helps, go ahead and take a look at some of the other submissions.

    Go ahead and edit your submission with your corrections. It’s highly likely that WordPress will “eat” the indents, but no worries there – I know it’s happening.

    Thanks,
    Steph

  2. Erik Doering

    Hey Will! I can read your key, but the fur tree vs cones comparison could be more strait forward. Maybe you could have done cone vs. flower?

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