Prunus mexicana S.Watson
  • Mexican or bigtree plum

Cite taxon page as 'WFO (2020): Prunus mexicana S.Watson. Published on the Internet; Accessed on: 15 Jul 2020'

General Information

Trees, rarely suckering, 30–120 dm, sparsely thorny. Twigs with axillary end buds, usually glabrous, sometimes hairy. Leaves deciduous; petiole 4–18 mm, hairy, rarely only adaxially, usually glandular distally, glands 1–2(–4); blade usually elliptic, sometimes broadly elliptic, obovate, ovate, or oblong, 6–12 × 3–7 cm, base usually obtuse to broadly rounded, sometimes subcordate, margins ?coarsely?, doubly serrate, teeth sharp, eglandular, apex usually abruptly acuminate to acuminate, rarely acute, abaxial surface densely hairy, adaxial ?rugose?, glabrous or hairy. Inflorescences 2–5-flowered, umbellate fascicles. Pedicels 4–20 mm, usually glabrous, sometimes sparsely hairy. Flowers blooming before leaf emergence; hypanthium obconic, 2–4.5 mm, glabrous or hairy externally; sepals reflexed, ovate to lanceolate, 1.5–4 mm, margins entire or irregularly or obscurely glandular-toothed, sometimes 2-fid at apices, ?ciliate?, surfaces hairy; petals white, sometimes turning pink, elliptic to obovate, 5–10 mm; ovaries glabrous. Drupes purplish red to dark blue, ?glaucous?, subglobose to ellipsoid, 15–30 mm, glabrous; mesocarps fleshy; stones ovoid-ellipsoid, strongly flattened.

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

    "Tree to 12 m, not sprouting from the roots; lvs firm, oblong to oblong-obovate, 6–10 cm, abruptly acuminate, broadly rounded at base, coarsely and usually doubly serrate with broad, acuminate, ovate-triangular teeth 1–2 mm, slightly pubescent and somewhat rugose above, permanently soft-pubescent and ± reticulate-veiny beneath; petiole usually with a pair of distal glands; pedicels usually glabrous, 8–20 mm; hypanthium glabrous or sparsely pubescent; sep narrowly oblong, 2–3 mm, pubescent on both sides; pet white, 8–10 mm; fr purplish-red, glaucous, globose or ellipsoid, 2–3 cm long; stone turgid, obovoid to subglobose. Rocky open woods; Mo. and s. Ill. to Ala. and Tex., and n. Mex., with outlying stations to O., Ky. and S.D. Apr. (P. americana var. lanata)"

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

    Other Local Names

    Mexican or bigtree plum


     Information From

    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    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.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Global Tree Assessment
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at Accessed on 30/11/2018.
    • C Botanic Gardens Conservation International
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • D All Rights Reserved
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • E See IUCN Terms and conditions of use
    CC0 1.0 Universal (CC0 1.0).
    • F CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • G CC0 1.0 Universal (CC0 1.0).