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| habit and habitat--Thelesperma simplicifolium is an herbaceous perennial that inhabits open, dry limestone sites (these plants happen to be living next to an ephemeral creek) | head--this is an example of a radiate head (one with both ray and disk flowers). How is this head different from the heads of Thelesperma filifolium? |
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| head again, from the side, showing phyllaries (bracts that subtend the inflorescence) | leaves--these leaves are adapted for xeric (very dry) areas. What shape do they have? |
