Category: Labiatae

  • Bicolor Bugles (Ajuga reptans)

    Ajuga reptans
    Photographed April 15.

    Above, an unusual strong bicolor form of Bugles, where white flowers have strong deep-blue veining. Below, another bicolor, but with the blue veining dominating. These plants were growing in the Seldom Seen Greenway.

    Ajuga reptans

    For a description of the species, see the Ajuga reptans reference page.


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  • Purple Archangel (Lamium purpureum)

    Lamium purpureum
    Photographed April 1.

    One of the earliest spring flowers, sometimes blooming in the middle of the winter if there’s an extended warm spell, the Purple Archangel or Purple Dead-Nettle is everywhere. It is happy in open city lawns, and just as happy along a woodland trail in Bird Park, where we photographed these plants. The most decorative aspect of the plant is the contrast between the pale flowers and the dark leaves at the top of the stem; but the colors of the leaves are variable, and many plants show no significant purplishness at the top.

    Lamium purpureum

    For a description of the species, see the Lamium purpureum reference page.


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  • Motherwort (Leonurus cardiaca)

    Motherwort (Leonurus cardiaca) blooming in the Soho section of Pittsburgh
    Photographed June 4.

    A member of the mint family whose furry little flowers grow in the leaf axils, forming a column in the center of the plant while the leaves project perpendicularly. The flowers themselves look soft and fuzzy, but the rest of the plant is unpleasantly prickly. This dense stand was growing along Fifth Avenue in Soho.

    Motherwort (Leonurus cardiaca) blooming in the Soho section of Pittsburgh
    Motherwort (Leonurus cardiaca) blooming in the Soho section of Pittsburgh

    For a description of the species, see the Leonurus cardiaca reference page.

    Motherwort (Leonurus cardiaca) blooming in the Soho section of Pittsburgh
    Motherwort (Leonurus cardiaca) blooming in the Soho section of Pittsburgh

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  • Lemon Balm (Melissa officinalis)

    Lemon Balm (Melissa officinalis)
    Photographed July 14.

    Lemon Balm, or just Balm, was brought over to this country for its delightful scent and flavor and for its supposed medicinal properties. It was believed to cure melancholy, among other things, and certainly gathering a handful and making a tisane from it is a good way to raise one’s spirits. Often planted in herb gardens, it easily escapes, and the tiny seeds wash downhill and form colonies anywhere they find a foothold. It can become quite weedy, but its delightful scent and many uses make it hard to resent. These plants were growing along a fence and by a sidewalk in Beechview.

    Lemon Balm (Melissa officinalis)

    The name Melissa, from the Greek word for a bee, reminds us that this plant makes bees happy, too, and who doesn’t want happy bees?

    Lemon Balm (Melissa officinalis)

    For a description of the species, see the Melissa officinalis reference page.

    Lemon Balm (Melissa officinalis)

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  • Heal-All (Prunella vulgaris)

    Heal-All (Prunella vulgaris)
    Photographed July 4.

    A variable plant with flowers ranging from deep violet to white. It is adaptable to every habitat from open woods to fields, and often pops up in lawns, where it will bloom very low to the ground and sometimes escape the mower. The flower heads that develop into thick thumbs are distinctive. The plants above and below were blooming in a field in South Park.

    Heal-All (Prunella vulgaris) blooming in South Park, Allegheny County, Pennsylvania
    Heal-All (Prunella vulgaris) blooming in Schenley Park, Pittsburgh
    Photographed June 12.

    This plant was blooming in mowed grass in Schenley Park.

    For a description of the species, see the Prunella vulgaris reference page.


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