Prunus gracilis Engelm. & A.Gray
  • Oklahoma plum


Cite taxon page as 'WFO (2020): Prunus gracilis Engelm. & A.Gray. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001013860. Accessed on: 12 Jul 2020'

General Information

Shrubs, suckering, 3–15 dm, not thorny. Twigs with axillary end buds, densely hairy. Leaves deciduous; petiole 3–8 mm, densely hairy, usually eglandular, sometimes glandular distally, glands 1–3, ?discoid?; blade usually ovate or elliptic, rarely obovate, 2–5(–7) × 1–2.5(–3.6) cm, base obtuse to cuneate, margins ?finely?, singly or doubly serrulate, teeth sharp, usually eglandular, sometimes glandular, ?glands blackish, spheric?, apex acute to obtuse, abaxial surface densely hairy, adaxial sparsely hairy. Inflorescences 2–4(–6)-flowered, umbellate fascicles. Pedicels 4–15 mm, hairy. Flowers blooming before or at leaf emergence; hypanthium campanulate, 2–3 mm, hairy externally; sepals erect to spreading, ovate-oblong, 1.5–2.5 mm, margins usually entire, sometimes glandular-toothed or eglandular, ?sometimes ciliate?, surfaces hairy; petals white, oblong to obovate, 4–7 mm; ovaries glabrous. Drupes yellow, orange, or red, ?slightly glaucous?, globose to ellipsoid, 9–18 mm, glabrous; mesocarps fleshy; stones subglobose to ellipsoid, ± flattened.

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

    Other Local Names

    NameLanguageCountry
    Oklahoma plum

     Information From

    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.
    • A Flora of North America Association
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • B 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
    • C All Rights Reserved
    Rosaceae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).