1. Family: Phyllanthaceae Martinov
    1. Genus: Leptopus Decne.
      1. Leptopus fangdingianus (P.T.Li) Voronts. & Petra Hoffm.

        This species is accepted, and its native range is China (W. Guangxi).

    [KBu]

    Vorontsova, M.S. & Hoffmann, P. 2009. Revision of the genus Leptopus (Phyllanthaceae, Euphorbiaceae sensu lato). Kew Bulletin 64: 627. DOI: https://doi.org/10.1007/s12225-009-9155-x

    Type
    China, Guangxi, Nabo, Baibu, Longhua, Longbu, 20 July 1979, D. Fang & X. P. Liao 22352 (holotype GXMI!).
    Habit
    Monoecious erect shrub, 1 – 2 m. Stem straight
    Twigs
    Twigs terete, hirsute, green brown
    Stipules
    Stipules deltoid, basally not auriculate, apically acute, ferrugineous to almost black, c. 1 × 0.5 mm, hirsute, margin entire, glabrous
    Petiole
    Petiole 4 – 8 × 0.7 – 0.9 mm, up to ⅒ of leaf blade length, hirsute
    Leaves
    Leaf blade elliptic, basally acute, apically acute to acuminate, (3) 6 – 10 (12) × (2) 2.5 – 4 (4.5) cm, 2.5 – 3 times longer than wide, thick chartaceous, drying slightly discolorous yellowish green, glabrous to sparsely hirsute on both sides, margin hirsute; midvein adaxially flat, abaxially prominent, secondary veins 4 – 5 pairs, adaxially flat, abaxially prominent
    Inflorescences
    Inflorescences unisexual, always fasciculate
    Bracts
    Bracts as stipules
    Stamens
    Stamens 5, c. 1.2 mm long; filaments c. 1 mm long; anthers c. 0.25 × 0.2 mm
    Pistillodes
    Pistillode trilobed almost to base, 0.2 – 0.25 mm long, ⅓ of stamen length, glabrous
    Flowers
    Female flowers 1 – 2 per fascicle, c. 3.5 × 4.5 mm, 2 – 3 times larger than males, rotate Male flowers 1 – 2 per fascicle, 1.5 – 2 × 2.5 – 3 mm
    Corolla
    Petals 5, linear, apically rounded, 0.5 – 0.8 × c. 0.1 mm, slightly shorter than disc or extending slightly beyond disc, without veins, glabrous Petals 5, obovate to linear, apically acute to rounded, 0.5 – 0.7 × 0.15 – 0.3, ½ of sepal length, membranaceous, without veins, glabrous on both sides, margin entire to erose, glabrous
    Disc
    Disc bilobed for ¾ of length, 0.5 – 1 × 0.3 – 0.5 mm, apically rounded to truncate, erose or crenulate, up to ¼ of sepal length Disc bilobed for ⅘ of length, lobes apically truncate to rounded, 0.5 – 0.7 × 0.2 – 0.25 mm, ½ – ⅔ as long as sepals, ¾ as long as petals
    Ovary
    Ovary 4 – 5-locular, glabrous; styles 4 – 5, 0.6 – 0.8 mm long, free, glabrous; stigmas dilated to capitate
    Pedicel
    Fruiting pedicel 17 – 25 mm long Pedicel 20 – 25 mm long, not articulate, glabrous Pedicel 4 – 5 × less than 1.5 mm, articulate just above base, glabrous
    Calyx
    Mature sepals not accrescent Sepals 5, oblong to elliptic, apically acute, 2 – 3.5 × 1 – 1.5 mm, 0 – 3-veined, glabrous outside, glabrous inside, margin entire, glabrous, eglandular Sepals 5, obovate to oblong, apically rounded, 1 – 1.8 × 0.7 – 0.9 mm, membranaceous, 0 – 3-veined, hirsute outside, glabrous inside, margin erose, glabrous, eglandular
    Fruits
    Fruit 2 – 4 × 4 – 5 mm, smooth to faintly reticulate, glabrous, drying brown Columella widest at base, apically linear, 2 – 3.5 × c. 0.5 mm
    Seeds
    Seeds triquetrous, 2 – 2.6 × 1.5 – 1.8 × 1.5 – 2.2 mm, without appendages, smooth, brown
    Embryo
    Embryo with radicle slightly shorter than cotyledons
    Distribution
    China, Guangxi. Map 3.
    Ecology
    Evergreen forest understorey on limestone; c. 1000 m.
    Conservation
    Endangered (EN, D) (IUCN 2001). A total of 30 – 60 mature individuals is estimated by a local specialist while this number is said to be 50 – 250 by Qin Dehai and Fang Ding (Fang Ding, GXMI, pers. comm.). Collections of this species have been made between 1978 – 2005 from a single locality only.
    Note
    This narrow endemic was originally described as the monotypic genus Archileptopus P. T. Li (1991: 38). For full discussion see Vorontsova et al. (2007) and Vorontsova & Hoffmann (2008).

    Distribution

    Native to:

    China Southeast

    Leptopus fangdingianus (P.T.Li) Voronts. & Petra Hoffm. appears in other Kew resources:

    First published in Kew Bull. 63: 46 (2008)

    Accepted by

    • Vorontsova, M.S. & Hoffmann, P. (2010). Revision of the genus Leptopus (Phyllanthaceae, Euphorbiaceae sensu lato) Kew Bulletin 64: 627-644.

    Sources

    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 Bulletin
    Kew Bulletin
    http://creativecommons.org/licenses/by-nc-sa/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