Blow-wives

Blow-wives © DSchiel

Achyrachaena mollis
NATIVE

Description (Jepson, PlantID.net)

    • Eudicotyledon
      • Eudicots are a major lineage of flowering plants; see family for general characteristics
    • Sunflower Family (Asteraceae)
    • Only species in its genus
    • Annual herb
    • Leaves
      • Opposite and hairy at plant base
      • Alternate and hairy-glandular (sticky) along upper stem
    • Flowers
      • Inflorescence (flower arrangement) is a radiate head (see Sunflower family)
        • Cylindrical, with a flat top
        • Phyllaries (vase-like floral bracts, collectively called the involucre) are hairy and glandular (sticky), 3-8 in a single series (row), each enveloping a ray flower ovary
      • Individual flowers are tiny and nearly invisible
        • Disk flowers (4-35) are yellow to red, bisexual, and fertile
        • Ray flowers (3-8) are orange to red, female (pistillate), and fertile
      • Ovary inferior (attached below other flower parts)
    • Fruit is an achene (a single-seeded, dry fruit that does not split open) with pappus (modified sepals, outer flower parts)
      • Pappus of 10 white scales in 2 series (rows) of different lengths look like long, flat flower petals (Ladybird Johnson 2007)
      • Only the disk flowers produce scales
    • Height to 12 in.

    Distribution

      • Native to California
        • Grows in grasslands and open woodlands, often on clay soils
        • See Calflora for statewide observations of this plant
      • Outside California, grows from southern Oregon into northern Baja California, Mexico
      • Grows at elevations to 4,000 ft.

      Name Derivation

        • Achyrachaena (ak-i-ra-KEE-na) – from the Greek for “chaffy achene,” alluding to the pappus
        • mollis (MOLL-is) – from the Latin for “soft,” referring to the velvety hairs
        • Blow-wives – presumably from the use of the word blow to refer to a display of blossoms or anything bright or brilliant and the antique use of wife to mean any woman
          • As with “tidy-tips” and “goldfields,” this name can be singular or plural
        Flower in Bloom (L), Developing Pappus Scales (M), Full Fruit with Pappus Scales (R)
        © KKorbholz (L,M), DSchiel (R)

        Notes

          • When in full bloom, the flowerhead appears to be still in bud
            • Green phyllaries are visually dominant
          • When seeds are developing, scales appear as clustered white petals
            • From the top of the flowerhead, they look like a honeycomb
          • When in full fruit, the scales spread out in a showy round cluster
            • Pappus scales are shiny, papery-white, and conspicuous
            • Aid in wind dispersal

          ID Tips

            At Edgewood

              • Found in grasslands
              • Flowers April – May

              Specific References

                Borders, B.D. Achyrachaena mollis. CSU Stanislaus, Valley Flora Propagation Center Species Profiles.

                  Ladybird Johnson Wildflower Center. 2007. Achyrachaena mollis. Native Plants of North America. University of Texas at Austin.

                    Prigge, B.A. and Gibson, A.C. 2013. Achyrachaena mollis. A Naturalist’s Flora of the Santa Monica Mountains and Simi Hills, California. Web version, hosted at Wildflowers of the Santa Monica Mountains National Recreation Area. National Park Service. US Department of Interior.