1. Family: Arecaceae Bercht. & J.Presl
    1. Genus: Trachycarpus H.Wendl.
      1. Trachycarpus princeps Gibbons, Spanner & San Y.Chen

        This species is accepted, and its native range is China (SW. Yunnan).

    [PW]
    Diagnostic
    A ceteris speciebus vagina folii appendicibus tenuissimis ad 10 cm longis ferenti, petiolo valde glauco, lamina infra conspicue aho-ceracea ad medium regulariter in 45-48 segmenta divisa, forma fructus T. fortunei similis sed fructu minore mesocarpio glutinoso differt.
    Distribution
    China, Yunnan, Nujiang county, 3 km NW of Bingzhongluo on the banks of the Nujiang, on the two almost vertical, bare marble cliffs of the Shi Men Guan (Stone Gate) and below the cliffs in mixed, evergreen monsoonal rainforest on a black, humus-rich, alkaline soil (pH 7.5-8); 1,550-I,850 m a.s.l.
    General Description
    Solitary, very lightly armed, dioecious palm to about l0 m tall; trunk erect, slender, densely clothed in closely apressed, persistent, fibrous leafsheaths, around 22 cm diam. or bare, ringed, 13- 16 cm diam.; leaves l8-26, palmate, marcescent leaves few, sometimes forming a small skirt below the crown, petioles often persisting; leaf-sheath fibrouso relatively coarse, robust, about 45 cm long, abaxially densely covered in pale brown, woolly tomentum; leaf-sheath appendages approximately 10 cm long, very finely divided, upright at first, later strongly reflexed; petiole slender, arching, about 80 cm long, 0.8 cm high and 1.3 cm wide, slightly convex above, triangular below, strongly glaucous, very finely toothed along the margins; hastula shallowly triangular, 1 cm long, regular, crested; leaf-blade, semi- to 3/4 orbicular, 60-80 cm long from the hastula, 90-115 cm wide, dark green above, wax-white below, regularly parted for about half its length into 45-48 stiff, linear segments, tapering towards the apex from their broadest point; central segments 3-3.5 cm wide at the middle, lateral segments gradually more narrow irnd shorter, apex acute-notched, shortly bifid. Inflorescences few, solitary, interfoliar, slightly erect to horizontally arranged; male inflorescences about 50 cm long, branched to 4 orders; peduncle short; prophyll about l8 cm long, very broad; peduncular bract one, around 25 cm long, very broad, slighdy tomentose abaxially; rachis bracts 3, similar to peduncular bracts; rachillae 1-3 cm long, fine and very densely branched; female inflorescences about 75 cm long, branched to 3 orders; peduncle about 20 cm long, peduncular bract one, tubular, 30 cm long; rachis bracts 2, similar to ped. bract; rachillae short, 2- l0 cm, fleshy. Flowers not seen. Infructescence bright yellow when fruit are ripe; fruit small, on short stalks, slightly reniform to almost oval, wider than long, 0.8 cm long, 1.0 cm wide, 0.75 cm high; epicarp very thin, black, with a white bloom; mesocarp approximately 0.1 cm thick, spongyfibrous, coated in a very sticky substance; seed reniform, 0.6 cm long, 0.85 m wide, 0.55 cm high; endocarp pale beige, very thin, very slightly crustaceous sand-like layer on a red-brown skin; endosperm homogenous with a deep lateral intrusion; embryo lateral. Germination remote-tubular, eophyll simple, narrow, plicate, wax-white abaxially.

    Images

    Distribution

    Native to:

    China South-Central

    Trachycarpus princeps Gibbons, Spanner & San Y.Chen appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Chen, S.Y. [14441], China K000736139 isotype

    First published in Principes 39: 73 (1995)

    Accepted by

    • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.
    • Henderson, A. (2009). Palms of Southern Asia: 1-197. Princeton university press, Princeton and Oxford.
    • Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Palmweb - Palms of the World Online
    • M. Gibbons, Trachycarpus princeps, the Stone Gate Palm ,an Exciting New Species from China. 1995

    Sources

    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.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. 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 2018. 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

    Palmweb - Palms of the World Online
    Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
    Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License http://creativecommons.org/licenses/by-nc-sa/3.0