1. Family: Araceae Juss.
    1. Genus: Pseudohydrosme Engl.
      1. Pseudohydrosme gabunensis Engl.

        This species is accepted, and its native range is Gabon.

    [CATE]

    CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

    General Description
    Tuber 9-12 cm in diameter, light brown and somewhat ringleted, partly with buds; roots 5-8 mm thick, brownish yellow. LEAVES: Cataphylls 5-6, the first ones the shortest, more or less triangular, membrana-ceous, soon drying, 1.5-29 cm long, at the base (1) 2-2.5 cm wide, slightly reddish and a little spotted, the veins stronger colored. Petiole 1-1.3 m long, below 1-1.4 cm in diameter, spiny, spotted (more or less dark green olive and spotted with small yellowish white points); spines 1-2 mm long. Leaf blade divided in three main parts, each segment 30-35 cm long; rhachis more or less reddish, round below and flattened on upper side, its margins prominent; venation reticulate, veins underneath reddish, otherwise dark green; leaflets (4) 8-23 cm long and (2) 3-7 (11) cm wide, upper surface dark green with a blue grey touch, more or less shiny, apex truncate ending in two (0.5) 1-3 cm long acuminate to caudate side tips; the lowest leaflets ovate and cuspidate, 4.5-8 cm long and 2-5.5 cm wide. INFRUCTESCENCE: Peduncle short, yellowish, (3) 5-9 cm long and 1-1.5 cm in diameter, spiny, green or light purplish with greenish white roundish to elongate spots, spines 1-2 mm long and greenish white; cataphylls together with the inflorescence of the same size and color as those with the leaf. Spathe (30) 40-55 cm long, below for a length of 20-25 cm involute to a tube, fleshy and to 5 mm thick, above arched over and thin, more or less mem-branaceous, broad-pointed, margin slightly undulate; spathe outside greenish yellow, above getting a slight purplish touch; veins very prominent; inside below in the center deep purple, in the middle going over in a purple especially the veins, above greenish yellow (mostly the margin parts). Spadix more or less sessile, cylindric, blunt, fertile to its apex, (6) 9-12.5 cm long and (1.5) 2-2.5 cm in diameter; female part 2-3.5 (4) cm long; male part (3.5) 6-8.5 cm long. Pistil ca. 5 mm high; ovary globular to ellipsoid, somewhat squeezed, 2-3 mm in diameter, yellowish-whitish, bilocular, seldom trilocular, with one ovule in each locule, fixed at the base of the middle septum and ascending; ovule anatropous, ellipsoid, ca. 0.7 mm long and ca. 0.4 mm in diameter, funiculus ca. 0.5 mm long; style short, 1-1.5 mm long and ca. 1.5 mm in diameter, of the same color as the ovary; stigma bilobed, seldom trilobed, papillose, depressed in the center, ca. 2 mm in diameter, reddish brown to purple. Stamens free, ca. 4 mm high and rectangular in cross section, ca. 1.8 (2) x 1.2 mm, slightly angled, yellowish and at its top purple; thecae oblong, ca. 3 mm long and opening by an apical pore; connective capitate and rising above the thecae; pollen yellow and excuded in strings, pollen grain ellipsoid, inaperturate, 100-120u x 70-100u, exine slightly scabrous. INFRUCTESCENCE: unknown. Pollination: I collected as pollinators two different flies and two different beetles of the following families: Diptera: Choridae, Sphaeroceridae and Coleoptera: Scaphidiidae, Staphylinidae. They are normally found on rotten organic matter.
    Distribution
    Gabon, Mundagebiet, Sibange-Farm, Wald am Maveilufer
    Habitat
    Pseudohydrosme gabun-ensis was found growing in the humus layer of a sandy loam in deep shade
    Diagnostic
    Spathe convolute, obliquely truncate at the top; ovary 2 celled; stamens free

    Distribution

    Pseudohydrosme gabunensis Engl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bogner, J. [664] 45184.000

    First published in Bot. Jahrb. Syst. 15: 455 (1892)

    Accepted by

    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.
    • Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    CATE Araceae
    • Bogner, J. 1981. Pseudohydrosme gabunensis Engl. Aroideana. 4 (1): 31-37.
    Kew Backbone Distributions
    • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon Scripta Botanica Belgica 35: 1-438.

    Sources

    CATE Araceae
    Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 17 Dec 2011.
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0