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San Luis Blazingstar (Mentzelia micrantha)

Description

This is an annual herb producing an erect green stem 10 to 80 centimeters in maximum height. The leaves are toothed or wavy along the edges, the longest in the basal rosette up to 18 centimeters long and those higher on the stem reduced in size. The inflorescence is an open array of several clusters of small flowers, each flower accompanied by a single wide bract sometimes larger than the flower itself. The five yellow petals of the flower are under half a centimeter long. The fruit is a narrow cylindrical utricle containing several tiny, pyramidal seeds.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum: Magnoliophyta

        • Class: Magnoliopsida

          • Order: Cornales

            • Family: Loasaceae

              • Genus: Mentzelia