Spermacoce keyensis Small
Florida False Buttonweed
Synonym(s): Spermacoce floridana
Florida native
A rare plant of the rock pinelands of Miami-Dade County and the Keys. Also found in Texas.
Florida false buttonweed has glabrous or scabrous stems and leaves. The calyx has four nearly equal solid green lobes. The fruits are 1-2 mm long.
I could find very little about this species and no photos, so I was not able to do a comparison of my photographs to help verify the correct identification. If anyone can confirm or correct the proper species for these photographs, I would very much like to hear from you. Contact information can be found on the Contact Page.
Spermacoce keyensis is a member of the Rubiaceae - Madder family.
Other species of the Spermacoce genus in the Wild Florida Photo database:
Spermacoce remota - WOODLAND FALSE BUTTONWEED
Spermacoce verticillata - SHRUBBY FALSE BUTTONWEED
Atlas of Florida Vascular Plants (Institute for Systemic Botany) profile for this species
iNaturalist profile for this species
USDA Plant Profile for this species
Date record last modified: Sep 27, 2023