Artemisia macrocephala Jacquem. ex Besser
  • Bull. Soc. Imp. Naturalistes Moscou 9


Cite taxon page as 'WFO (2021): Artemisia macrocephala Jacquem. ex Besser. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000003078. Accessed on: 21 Sep 2021'

General Information

Annual, up to 20 (-30) cm tall, densely whitish-grey hairy herb with 6-8 cm long, well branched root. Stems several from the base or solitary, erect to ascending, ribbed, with 1.5-3 cm long internodes. Basal and lower stem leaves with 1.5-3 cm long, winged petiole, lamina broadly ovate to ± orbicular, 1.0-1.5 x 1.0-1.5 cm, bipinnatisect into linear-oblanceolate, 2.5- 4 x 0.5-1 mm, apically obtuse ultimate segments; medium and upper stem leaves subsessile to sessile, gradually reduced in size. Capitula remote, in simple, 10-12 cm long racemes, hemispherical, usually 6-10 mm across, nodding; lower peduncles slender, 8-12 mm long, upper ones smaller, curved. Involucre 4-seriate, outermost phyllaries linear-oblong, (3-) 4-5 mm long, densely hairy, obtuse; median phyllaries narrowly obovate, 3-4 x 1.5-2 mm, green and densely hairy to glabrescent on midrib, scarious-membranous alround; innermost ± elliptic-obovate, 3.5-4.5 x 1.75-2.5 mm, obtuse, scarious, glabrous. Receptacle hemispherical, 2.5-3 mm in diam., densely hairy. Florets numerous, all fertile, greenish-yellow; marginal florets female, eligulate, with c. 1.5 mm long, 2(-3)-dentate, basally broadened, glandular corolla, style branches exserted; disc-florets bisexual, with 5-toothed, densely glandular, c. 2 mm long, tubular corolla, anther appendages acute, ± exserted. Cypselas narrowly oblanceolate, 1-1.5 mm long, light brown.

  • Provided by: [B].Flora of Pakistan
    • Source: [
    • 1
    • ]. 

     Information From

    Compositae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of Pakistan
    http://www.tropicos.org/Project/Pakistan
    Flora of Pakistan. Missouri Botanical Garden. Accessed on Jun. 2020.
    • 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).