Betonica officinalis L.
  • Sp. Pl.

Cite taxon page as 'WFO (2021): Betonica officinalis L. Published on the Internet; Accessed on: 18 Sep 2021'

General Information

Plants rhizomatous. Stems 50-100 cm, striate, densely fine pilose. Petioles of stem leaves 4-7.5 cm; basal leaf blade broadly ovate, 8-12 × 3-5 cm, pilose, base deeply cordate, margin crenate, apex obtuse; stem leaf blade ovate, 4.5-5.5 × 3-4 cm, widely spaced. Spikes ca. 4 cm, compact, oblong; lower verticillasters sometimes ± widely spaced; basal floral leaves sessile, oblong-lanceolate, ca. 2.5 × 1 cm, margin dentate, apex acute; upper floral leaves linear, margin entire, ca. 6.5 mm; bracteoles ovate to linear, ca. 6.5 mm, abaxially puberulent, margin densely pilose, adaxially glabrous, apex rigidly acute. Flowers subsessile. Calyx ca. 6.5 mm, densely pilose; teeth narrowly triangular, ca. 2.5 mm, pilose. Corolla purple, ca. 1.2 cm, puberulent except for base outside; tube cylindric, ca. 8 mm; upper lip oblong, ca. 4 × 2.5 mm, emarginate, undulate; lower lip oblate, ca. 4 × 6 mm; middle lobe to 4 mm in diam., broadly ovate, undulate; lateral lobes ovate, ca. 1.5 mm wide. Stamens nearly included; filaments puberulent. Ovary black-brown, glabrous. Fl. May.

  • Provided by: [A].Flora Of CHina @
    • Source: [
    • 1
    • ]. 

     Information From

    Flora Of CHina @
    'Flora of China @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Missouri Botanical Garden
    • B CC0 1.0 Universal (CC0 1.0).