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Re: Are philodendrons really skototropic? |
 | | Reply: I agree with your assessment that skototropism is actually just a negative phototropism, and the botany text by Kaufman et al. |
| | There has been an effort to replace the term geotropism with the more accurate gravitropism because the response is to gravity, not to the earth (geo). |
| | I have seen English ivy (Hedera helix) exhibit a negative phototropism by growing into a dark basement through a crack in a foundation and continue to grow away from the basement window, rather than toward it, even though the basement window was the only source of light. |
| www.madsci.org /posts/archives/2001-04/987197051.Bt.r.html (320 words) |
