Hesperevax caulescens A.Gray
  • Proc. Amer. Acad. Arts vii. (1868) 356


Cite taxon page as 'WFO (2023): Hesperevax caulescens A.Gray. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000136466. Accessed on: 04 Feb 2023'

General Information

Plants (2–)3–8(–17) cm. Stems usually 0, sometimes 1–4, erect to decumbent; branches 0 or proximal. Leaves basal or cauline, petiolate, distal congested, larger than proximal (if any), largest (25–)33–90 × 7–20 mm; petioles: lengths 2–3 times blade lengths, bases thickened, indurate; capitular leaves (6–)10–20 per glomerule, whorled, mostly spreading, unlike pistillate paleae. Heads terminal in dense glomerules (10–25 mm diam.) of 10–40+ not mixed with leaves, never in axils, ± obpyramidal, 3–5 × 2.5–4 mm, heights 1–1.5 times diams. Receptacles of adjacent heads proximally connate, 0.4–0.7 × 0.5–0.7 mm. Pistillate paleae in 2–4 series, ± vertically ranked, broadly spatulate, 2.5–4.5 mm. Staminate paleae surpassing pistillate, 3–3.9 mm, lengths 0.7–0.9 times head heights, apices spreading. Functionally staminate florets 3–6; corollas 1.1–1.6 mm. Cypselae mostly 1.5–2 mm.

  • Provided by: [B].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

     Information From

    Asteraceae
    http://worldfloraonline.org/organisation/Asteraceae
    Asteraceae. The daisy family. World Flora Online Data. 2022.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online Consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2017.
    • C CC0 1.0 Universal (CC0 1.0).