Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb.
  • Prelim. Cat.


Cite taxon page as 'WFO (2020): Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000288997. Accessed on: 10 Jul 2020'

General Information

"Stems to 1+ m, commonly with short, leafy axillary branches, minutely puberulent; lvs narrowly oblong or lance-oblong, entire or with a few low callous teeth, finely hairy on the veins beneath, the main ones 2–4 cm, ca a fourth as wide; lateral veins 3–4 pairs, obscure; heads as in no. 3 [Pycnanthemum setosum Nutt.], but the cal 6–10 mm, its lower teeth 2.5–5 mm; 2n=36. Dry woods and barrens, chiefly in sandy soil on the coastal plain; se. Va. to Fla. (P. hyssopifolium)"

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 1
    • ]. 

      Bibliography

    • 1 "Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp."
    • 2 Prelim. Cat.

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    Lamiaceae
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    New York Botanical Garden
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    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
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