Hydnocarpus hainanensis (Merr.) Sleumer
  • Bot. Jahrb. Syst.


Cite taxon page as 'WFO (2020): Hydnocarpus hainanensis (Merr.) Sleumer. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001253384. Accessed on: 20 Feb 2020'

General Information

Trees, evergreen, 6-12 m tall; bark gray-brown; branchlets terete, glabrous. Petiole 1-1.5 cm, glabrous or initially sparsely appressed-pubescent, glabrescent; leaf blade usually oblong, less often elliptic, narrowly ovate, or slightly obovate, 9-18 × 3-6 cm, 2-3 × as long as wide, thinly leathery, both surfaces glabrous, lateral veins 7 or 8 pairs, reticulate veins conspicuous, base acute to obtuse or rounded, cuneate, margin irregularly repand, serrulate or serrate, teeth sometimes sharply acute, leaf apex acute to obtuse, usually gradually or abruptly acuminate, acumen to ca. 2 cm. Inflorescence axillary or subterminal, 1.5-2.5 cm; flowers unisexual, 15-20 in much condensed (especially staminate flowers) shortly pedunculate cymes. Pedicels 8-15 mm, initially with sparse, short, appressed hairs, soon glabrous. Sepals 4, free, elliptic or orbicular, 5-6 × ca. 4 mm, both sides glabrous or outside sparsely appressed-hairy. Petals 4, free, reniform-ovate, 2-3 × 3-4 mm, both sides (excl. scale) glabrous, margin ciliate; scale ca. 1/2 as long as petal, irregularly 4-6-dentate, villous. Staminate flowers: stamens ca. 12; filaments ca. 1.5 mm, stout at base, sparsely hairy, hairs rather long, drying white; anthers sagittate, 1.5-2.5 mm; reduced ovary absent. Pistillate flowers: staminodes ca. 15, stamenlike but with anthers reduced, indumentum as for fertile stamens; ovary ovoid-ellipsoid, very densely yellowish brown pubescent, hairs closely appressed; placentas 5; ovules many; styles absent; stigmas 3 or 4, joined at base, flattened-deltoid, ca. 5 mm, bifid with each branch apex irregularly toothed or lobed, abaxially densely hairy at base, hairs as for ovary, adaxially glabrous. Berry globose, 4-5 cm in diam., densely pale to dark brown or yellowish tomentose, sometimes yellowish; pericarp leathery, exocarp not fibrous, stalk 6-7 mm, stout. Seeds ca. 20, ovoid, ca. 2.5 × 1.5-2 cm. Fl. Apr-May, fr. Jun-Aug.

  • Provided by: [B].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

     Information From

    Achariaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).
    Global Tree Assessment
    http://www.bgci.org/
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • D Botanic Gardens Conservation International
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • E See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • F All Rights Reserved