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Key to Hyptis
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=40483
2 Flowers borne in fascicles within the inflorescence (the inflorescence consisting of separated verticils) | |
2 Flowers not borne in fascicles within the inflorescence (not consisting of separated verticils). | |
1 Flowers borne in large, globose heads, 1.5-2.5 cm across, borne on peduncles 2-6 cm long; leaves narrowed to a narrowly cuneate, subpetiolar base; corolla primarily white-colored. | |
4 Involucral bracts < 1 mm wide; peduncles usually < 1 cm long; [exotic, so far known only from FL]; [section Marrubiastrae] | |
4 Involucral bracts > 1.5 mm wide; peduncles usually > 1 cm long; [native, widespread in the Coastal Plain of our area]; [section Hyptis]. | |
5 Stem internodes short-pubescent; leaves 3-8× as long as wide; [NC to FL to e. TX] | |
5 Stem internodes glabrous or nearly so; leaves 8-20× as long as wide; [c. and s. peninsular FL] |