1. Family: Saxifragaceae Juss.
    1. Genus: Rodgersia A.Gray
      1. Rodgersia pinnata Franch.

        Rodgersia pinnata is a perennial that forms spreading clumps of bold, divided, strongly-veined leaves, and has tall flower stems with feathery sprays of small, pink flowers. The whole plant is coarse and upright, and forms a striking feature in a damp position.

    [KSP]

    Kew Species Profiles

    General Description
    Rodgersia pinnata is a large, spreading perennial with bold divided leaves, tall branching lower stems, and masses of small pink flowers.

    Rodgersia pinnata is a perennial that forms spreading clumps of bold, divided, strongly-veined leaves, and has tall flower stems with feathery sprays of small, pink flowers. The whole plant is coarse and upright, and forms a striking feature in a damp position.

    R. pinnata was named and described by the French botanist Adrien Franchet in 1888, while studying the collections that were made between Dali and Lijiang in Yunnan by the French explorer, Père Delavay. Seeds of R. pinnata were sent to Kew by the Irish plantsman Augustine Henry in 1898, and first flowered there in 1902. Henry collected the seed north of Mengtze in western Yunnan, where plants were found growing on cliffs at 2,438 m.

    Species Profile
    Geography and distribution

    Native to western China, where it is found in Yunnan, Guizhou and southern and eastern Sichuan, at 2,000 - 3,800 m above sea level.

    Description

    Overview: A stout perennial with a thick, shortly creeping rhizome (underground stem), eventually forming large, spreading clumps. 

    Leaves:  The leaves are up to 1 m long and are pinnate (divided into leaflets), with 2-4 leaflets on either side and a similar terminal leaflet, and sometimes with a whorl of four leaflets at the base. The leaflets are oblanceolate, ribbed and up to 20 cm long. 

    Flowers: The flowering stems are 60-125 cm long, with three or four stem leaves. The inflorescence is compound, with cyme-like branches. The flowers are around 5 mm across and are white, pale pink or reddish, with 5 glandular-hairy sepals, and no petals. Each flower has ten stamens (male parts) and two styles (female parts).

    Fruits: The fruit is a purple capsule about 7 mm long.

    Uses

    Rodgersia pinnata is cultivated as an ornamental for damp soils. The crushed roots of a related species, R. aesculifolia , are used in Chinese herbal medicine for treating malignant sores.

    Millennium Seed Bank: Seed storage

    Kew's Millennium Seed Bank Partnership aims to save plant life world wide, focusing on plants under threat and those of most use in the future. Seeds are dried, packaged and stored at a sub-zero temperature in our seed bank vault.

    Number of seed collections stored in the Millennium Seed Bank: One

    This species at Kew

    Rodgersia pinnata can be seen growing alongside streams in the Rock Garden at Kew, where it flowers from June to September.

    Pressed and dried specimens of Rodgersia pinnata , including some collected by Père Delavay and Ernest Wilson, are held in Kew's Herbarium, where they are available to researchers from around the world, by appointment. The details of some of these specimens, including images, can be seen online in the Herbarium Catalogue.

    Distribution
    China
    Ecology
    Forests, forest margins, alpine meadows, rocky mountainsides and wet cliffs.
    Conservation
    Not known to be threatened.
    Hazards

    None known.

    Images

    Distribution

    Native to:

    China South-Central, Myanmar

    Introduced into:

    Czechoslovakia

    Rodgersia pinnata Franch. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Delavay, M. [2884], Yunnan K000396325 Unknown type material
    Delavay, M. [2457], Yunnan K000396326 Unknown type material

    First published in Nouv. Arch. Mus. Hist. Nat., sér. 2, 10: 176 (1887 publ. 1888)

    Accepted by

    • Danihelka, J. Chrtek, J. & Kaplan, Z. (2012). Checklist of vascular plants of the Czech Republic Preslia. Casopsi Ceské Botanické Spolecnosti 84: 647-811.
    • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590. Smithsonian Institution.
    • Wu, Z. & Raven, P.H. (eds.) (2001). Flora of China 8: 1-506. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis).

    Literature

    Kew Species Profiles
    • Jintang, P. & Cullen, J. (2001). Rodgersia A.Gray. Flora of China 8: 274-275.
    • Duke, J.A. & Ayensu, E.S. (1985). Medicinal Plants of China. Volume 2. Reference Publications, Algonac, Michigan, USA.
    • Hooker, J.D. (1903). Rodgersia pinnata. Curtis’s Bot. Mag. 106: t. 7892.
    • Henry, A. (1902). Rodgersia. Gardeners’ Chronicle Ser. 3, 16: 131.
    Kew Backbone Distributions
    • Danihelka, J. Chrtek, J. & Kaplan, Z. (2012). Checklist of vascular plants of the Czech Republic Preslia. Casopsi Ceské Botanické Spolecnosti 84: 647-811.
    • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590. Smithsonian Institution.
    • Wu, Z. & Raven, P.H. (eds.) (2001). Flora of China 8: 1-506. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis).

    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 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

    Kew Species Profiles
    Kew Species Profiles
    http://creativecommons.org/licenses/by-nc-sa/3.0