Phytelephas seemannii O.F.Cook
  • Bull. Bur. Pl. Industr. U.S.D.A.

Cite taxon page as 'WFO (2020): Phytelephas seemannii O.F.Cook. Published on the Internet; Accessed on: 28 Oct 2020'

General Information

Trunk at first decumbent or creeping, at length rising under favorable condi- tions and age; becoming 40 cm. or more thick and perhaps 8 m. tall, bearing at one time about 20 living leaves; bases of the petioles persistent on the short trunk and accumulating dirt and refuse among which the great fruits may rest: leaves 2 m. and more long, mostly rising from near the ground; petiole trough-like, deeply concave on front, keeled on back, not hard-woody; pinnae 100 and more, 5-6 cm. apart on the ridged rachis or more remote on the lower part of the blade, central ones about 1 m. long and 3-5 cm. broad, with pronounced midrib and strong side-ribs, conspicuously irregularly cross-veined particularly underneath, tending to split lengthwise: staminate spadix often 1 m. or more long, sometimes much less: fruiting clusters usually 2-5 in number, each cluster comprising 3-8 depressed fruits or heads on a short stout peduncle and armored like an alligator's hide, the clusters at maturity often lying on the ground or in the mold caught in the leaf-bases; nutlets 9 or fewer in each fruit, about 7 cm. high, 6 cm. broad, 3-4 cm. thick at the rounded back, inner side (against its neighbor) flat, becoming coal-black, involved in coarse fibers, free inside the carpellary tubercled shell; seed free inside the hard but rather thin integument, semi-lunate, about 5 cm. high and 4 cm. broad, ridged and ornamented with rapheal subsidiaries, albumen ivory-like and white.

  • Provided by: [C].Flora de Panama
    • Source: [
    • 2
    • 1
    • ]. 


    Apparently widely distributed in Panama but its range elsewhere, if any, not determined.

  • Provided by: [C].Flora de Panama
    • Source: [
    • 2
    • 1
    • ]. 

     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
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • E All Rights Reserved
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • F 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.
    • G Botanic Gardens Conservation International