BOTN 201 - Department of Biology Herbarium - TAMU
Images of the Navasota Flora - 16 July 1995
Monarda citriodora (Lamiaceae or Labiatae), known locally as 'Lemon Beebalm, Lemon-Mint, or Horsemint, represents a lineage of the Mint Family that is endemic to North America with ca. 20 species (12 in Texas) ranging from Canada through Mexico. The local names point out a common feature of this family, production of essential oils. The genus includes two groups of species, one characterized by the presence of terminal, solitary heads (clusters of flowers), such as Monarda punctata. Comparison of floral display between side view or connation and zygomorphy and tend to position the reproductive appendages or Brazoria and
or close look shows that the last flowers to open are positioned at the outside of the inflorescence. Once the corolla has withered, a fringe of hairs folds over the calyx throat, protecting the developing gynoecium.
Less conspicuous than Monarda, but much for common in the Navasota flora, Euphorbia maculata is a well-adapted weed of lawns and gardens. A related taxon (Euphorbiaceae) of the Post Oak Woodlands - appendages, which appear to be petals.
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Last updated by HDW on 18 July 1995