Krigia virginica (L.) Willd.


Cite taxon page as 'WFO (2020): Krigia virginica (L.) Willd. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000058650. Accessed on: 03 Jun 2020'

General Information

Annuals, 4–30 cm. taprooted. Stems 1–50+, initially scapiform, later elongate and leafy (after rosette leaves wither), erect, eglandular or stipitate-glandular, especially near heads. Leaves initially produced basally (rosettes); later leaves cauline. sessile or petiolate; blades oblanceolate to spatulate, 1.5–18 cm, usually irregularly pinnately lobed, terminal lobes often denticulate, faces glabrous, eglandular or loosely glandular-villous; cauline (appearing opposite on late-season stems), narrowly oblanceolate to linear, mostly entire. Heads borne singly. Peduncles from rosettes (early) or axillary or terminal on stems (later). Involucres 4.5–8 mm. Phyllaries 9–15, reflexed in fruit. lanceolate, midveins obscure, apices acute. Florets 8–35; corollas yellow, often purplish abaxially, 5–12 mm. Cypselae dark reddish brown, narrowly obconic, 1.5–2.3 mm, 15–20-ribbed; pappi of 5, hyaline, rounded outer scales 0.5–1 mm plus 5, scabrous inner bristles 4–6 mm. 2n = 10, 20.

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

    "Slender annual 3–40 dm, scapose or leafy only near the base, the several scapes or scapiform peduncles generally spreading-glandular-hairy above, sometimes throughout; lvs linear to oblanceolate or obovate, 1.5–12 cm × 1–12 mm, entire to pinnatifid, loosely villous- hirsute to glabrous, the hairs sometimes glandular; invol 4–7 mm, its (5–)9–18 bracts lanceolate or narrower, reflexed in age, not keeled or ribbed; pappus of 5 short, thin scales alternating with as many scabrous bristles several times as long; 2n=10, 20. Sandy places; Me. and Vt. to Wis., s. to Fla. and Tex. Mar.–July."

  • Provided by: [C].New York Botanical Garden
    • Source: [
    • 2
    • ]. 

      Bibliography

     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 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
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).