Metaplexis japonica (Thunb.) Makino
  • Bot. Mag. (Tokyo)

Cite taxon page as 'WFO (2020): Metaplexis japonica (Thunb.) Makino. Published on the Internet; Accessed on: 23 Oct 2020'

General Information

Lianas to 8 m. Young stems densely pubescent, glabrescent. Petiole 3-6 cm; leaf blade deep green adaxially, glaucous abaxially, ovate-cordate, basal lobes rounded, re-curved and sometimes overlapping, sinus 1-2 cm deep and often very narrow, glabrous or puberulent when young; lateral veins 10-12 pairs. Inflorescences usually 13-20-flowered; peduncle 6-12 cm; bracteoles membranous, lan-ceolate, ca. 3 mm. Pedicel ca. 8 mm, puberulent. Flower buds conical, apex acute. Sepals lanceolate, 5-7 × ca. 2 mm, pu-berulent. Corolla white, sometimes with purplish stripes; tube short; lobes lanceolate, slightly longer than sepals, spreading, reflexed at apex, conspicuously pilose inside. Stigma head conspicuously exserted, long and slender with 2-fid apex. Follicles fusiform, 8-9 × ca. 2 cm, smooth, gla-brous. Seeds ca. 5 × 3 mm, flat, margin membranous; coma silky white, ca. 1.5 cm. Fl. Jul-Aug, fr. Sep-Dec. 2n = 22, 24*.

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

    "Twining perennial herb to 4 m, glabrous or nearly so; lvs cordate-ovate, 5–10 cm, glaucous beneath; peduncles 3–6 cm; fls in short, raceme-like or irregular cymes on pedicels 5–10 mm; cor lavender or purplish or whitish, the flaring tube only 2–3 mm, the lobes 7–8 mm; style-tip prolonged 6–8 mm, shortly bifurcate; fr lance-ovoid, 4–7 cm, tuberculate; 2n=22. Native of e. Asia, intr. as a cornfield-weed in Io. June, July."

  • Provided by: [C].New York Botanical Garden
    • Source: [
    • 2
    • ]. 


     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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.
    • B Missouri Botanical Garden
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).