Draba aurea Vahl ex Hornem.
  • Fors. Oecon. Plantel.


Cite taxon page as 'WFO (2020): Draba aurea Vahl ex Hornem. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000654989. Accessed on: 31 Mar 2020'

General Information

Perennials; (not cespitose); caudex simple or branched; not scapose. Stems sometimes branched distally, (0.5-) 1-3.5(-5.2) dm, pubescent throughout, trichomes simple (non-crisped), 0.4-1.3 mm, and 3-6-rayed ones, 0.1-0.5 mm. Basal leaves rosulate; petiolate; petiole (distinct or obscure) ciliate, (trichomes simple, to 0.8 mm); blade oblanceolate to obovate, (0.4-)1-3.7(-5) cm × (1-)2-7(-10) mm, margins entire or denticulate, surfaces pubescent, trichomes stalked, (2-)4-7 (or 8)- rayed, 0.2-0.5(-0.6) mm. Cauline leaves 5-20 (-26); sessile; blade oblong to lanceolate or ovate, margins entire or dentate, surfaces pubescent as basal, sometimes adaxially with simple trichomes. Racemes (10-)18-52(-72)-flowered, usually bracteate on proximalmost 1-12(-17) flowers, rarely ebracteate, elongated in fruit; rachis not flexuous, pubescent as stem. Fruiting pedicels divaricate-ascending to ascending or suberect, straight, 3-13(-20) mm, pubescent as stem. Flowers: sepals (green or yellowish), oblong, 2.2-3 mm, pubescent, (trichomes simple and branched); petals yellow, oblanceolate, 3.5-5 × 1.5-2.5 mm; anthers ovate, 0.4-0.5 mm. Fruits (often subappressed to rachis), lanceolate to linear-lanceolate or narrowly oblong, slightly twisted or plane, flattened, (6-)9-14(-17) × 2-3.5 mm; valves pubescent, trichomes simple and short-stalked, 2-4-rayed, 0.05- 0.3 mm; ovules 28-38(-44) per ovary; style 0.5-1.2 (-1.5) mm. Seeds oblong, 0.9-1.3 × 0.5-0.7 mm. 2n = 74.

  • Provided by: [B].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

     Information From

    Brassicaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).