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Key to Lachnocaulon
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=39601
1 Trichomes at the tips of the receptacular bracts milky white, opaque, the head therefore appearing gray to white, obscuring the brown color of the bractlets. |
1 Trichomes at the tips of the receptacular bracts translucent, the head therefore showing the brown color of the bractlets. |
4 Leaves 2-3 cm long; head reddish- or dark brown, usually elongate-cylindric; carpels 3 |