Amentotaxus argotaenia (Hance) Pilg.
  • Bot. Jahrb. Syst.


Cite taxon page as 'WFO (2020): Amentotaxus argotaenia (Hance) Pilg. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000530835. Accessed on: 26 Oct 2020'

General Information

Shrubs or small trees to 7 m. Leafy branchlets ascending or suberect, broadly rectangular to oblong-elliptic in outline, 4.5-8 × 8-15 cm, axis green in 1st year, greenish yellow to yellowish red in 2nd and 3rd years, quadrangular or subterete in cross section. Leaves borne at 45-95° to branchlet axis, subsessile or petiole to 3 mm, dark green adaxially, linear or linear-lanceolate, falcate or ± straight, 2-11 cm × 5-11 mm, leathery, with sclereids, mottled adaxially when fresh, rugose with transverse striations at ca. 90° to midvein when dry, midvein raised adaxially, scarcely so abaxially, 1-1.2 mm wide with a very narrow, indistinct green band 0.15-0.2 mm wide on either side, whole midvein band 1.2-2 mm wide, stomatal bands white, 1-2 mm wide, narrower than marginal bands, of 15-25 rows, marginal bands 1.4-3 mm wide, base cuneate to attenuate, asymmetric, margin flat or very narrowly revolute, apex dark, callose, rounded to sharply triangular, obtuse on basal 1-4 (often more) leaves of each branchlet, often acuminate on others. Pollen-cone racemes borne (1 or)2-4(-10) together, 1.5-6.5 cm; cones in ca. 12 pairs, ovoid, ca. 3.5 × 2.5-3.2 mm; bracts ca. 6 at base of otherwise naked peduncle, distal bract ca. 2.5 × 2 mm, keeled; microsporophylls 6-8, peltate, each with (2 or)3(-5) pollen sacs. Seed-bearing structures with peduncle to ca. 2/3 × length of subtending leaf. Aril bright red when ripe. Seed finally red, narrowly obovoid-ellipsoid, 1.9-2.6 × 1-1.3 cm, with small, mucronulate apex; peduncle 1.1-1.4 cm, compressed-quadrangular, dilated below bracts, naked. Pollination Apr, seed maturity Oct. 2n = 24.

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

     Information From

    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.
    • A Missouri Botanical Garden
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • B All Rights Reserved
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • C See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use
    Global Tree Search
    https://tools.bgci.org/global_tree_search.php
    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
    Taxaceae
    • E CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).