Mahonia oiwakensis Hayata
  • Icon. Pl. Formosan.


Cite taxon page as 'WFO (2020): Mahonia oiwakensis Hayata. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001146557. Accessed on: 08 Apr 2020'

General Information

Trees, 1-7 m tall. Leaves abaxially yellowish green, adaxially dark green, oblong-elliptic, 15-42 × 8-15 cm; leaflets 12-20 pairs, lowest pair 0.5-1 cm above base of petiole, abaxially slightly veined or veins obscure; rachis 2-3 mm thick; internodes 1.5-5 cm, decreasing in length apically, petiolule 5-10 mm or leaflets sometimes sessile; lowest leaflets ovate to suborbicular, 1.5-3 × 1-1.5 cm, apically becoming ovate-lanceolate or lanceolate, 2-10 × 1-2.5 cm, base rounded, margin 2-9-spinose-serrate on each side, apex cuspidate-acuminate; terminal leaflet 4-6.5 × 0.9-1.5 cm. Inflorescence 7-18-fascicled racemes, 9-25 cm; bracts of inflorescence broadly lanceolate to ovate, 1.5-3 cm × 6-10 mm. Pedicel (2-)5-6 mm; floral bracts ovate, 3-3.5 × 1.5-1.8 mm. Outer sepals golden yellow, ovate to suborbicular, 1.2-3 × 1.1-2 mm; median sepals elliptic to ovate, (3-)5-6 × 2.5-3 mm; inner sepals golden yellow, elliptic to oblong, 5-7 × 2.6-3.5 mm. Petals golden yellow, oblong, 4.5-6.5 × 2-2.8 mm, base with distinct glands, apex narrowly incised, acute. Stamens 3-4 mm; anther connective slightly prolonged, subapiculate or rounded. Ovary 3.2-4 mm; ovules 2 or 3; style 0.5-1 mm. Berry blue or bluish black, pruinose, ovoid, 6-8 × 5-6 mm; style persistent, ca. 1 mm. Fl. Aug-Nov, fr. Nov-May.

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

     Information From

    Berberidaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).
    Global Tree Assessment
    http://www.bgci.org/
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • D Botanic Gardens Conservation International
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • E See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • F All Rights Reserved