Caryocar nuciferum L.
  • Mant. Pl.
  • Souari nut

Cite taxon page as 'WFO (2021): Caryocar nuciferum L. Published on the Internet; Accessed on: 07 Dec 2021'

General Information

Large trees to 45 m tall; young branches glabrous. Leaves trifoliolate; petioles 4-20 cm long, terete to flattened, glabrous; leaflets petiolulate, the terminal petiolule 7-25 mm long, the lateral petiolules about equal to the! center one, the petiolules glabrous, terete or shallowly canaliculate; blades elliptic, apically acu- minate, the acumen 5-15 mm long, the margins entire to weakly crenate, basally rounded to subcuneate, glabrous on both surfaces, the terminal blade 12-34 cm long, 6-18 cm broad, the lateral blades equal or slightly smaller than the terminal one, the primary veins 8-18 pairs, plane above, prominent beneath, the venation prominulous beneath; stipels absent. Inflorescences clustered racemes; peduncles 6-10 cm long, glabrous, sparsely lenticellate towards the base; rachis 1-4.5 cm long, glabrous; flowering pedicels 4-6 cm long, 5-8 cm thick, glabrous, ebracte- olate. Flowers with the calyx campanulate, ca. 2 cm long, glabrous on the ex- terior, the lobes 5, rounded; corolla ca. 6-7 cm long, elliptic, glabrous, deep red on the exterior, paler within; stamens extremely numerous, over 700, the filaments caducous as a unit, basally united to 2 mm and then dividing into fused groups before becoming free above, the outer ones 7-8.5 cm long including the base, yel- low, the distal portion tuberculate, many shorter inner filaments present from 3.5 cm long and of all intermediate sizes, the inner filaments only apically tuber- culate, the anthers small; ovary globose, 4-locular, glabrous on the exterior, the styles 4, filamentous, 8-9 cm long, glabrous. Fruits subglobose to sublobate, to 15 cm long, the exocarp glabrous, lenticellate, the pericarp very thick and fleshy, detaching from the mesocarp and endocarp, the mesocarp and endocarp envelop- ing the seed to form a large stone ca. 7 cm broad, 5 cm long, the mesocarp be- coming lignified and hard, the exterior undulate with short rounded tubercles, the endocarp with a tuberculate exterior and a hard thin woody interior ca. 1 mm thick; only 1-2 subreniform seeds developing.

  • Provided by: [C].Flora de Panama
    • Source: [
    • 2
    • ]. 



  • Provided by: [C].Flora de Panama
    • Source: [
    • 2
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Roraima

    Other Local Names

    Souari nutEnglish

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    MBG Floras Images
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    Flora de Panama
    Robert E. Woodson, Jr. and Robert W. Schery Annals of the Missouri Botanical Garden Vol. 67, No. 4 (1980), pp. ii-xxxiii
    • C Missouri Botanical Garden
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • D Group Brazil Flora, REFLORA Program
    World Flora Online consortium
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • F All Rights Reserved
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • G See IUCN Terms and conditions of use
    Global Tree Search
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at Accessed on 30/11/2018.
    • H Botanic Gardens Conservation International