Krigia biflora (Walter) S.F.Blake


Cite taxon page as 'WFO (2020): Krigia biflora (Walter) S.F.Blake. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000064460. Accessed on: 01 Apr 2020'

General Information

Perennials, 10–70 cm; caudices stout, fibrous-rooted (sometimes propagating by adventitious buds on roots). Stems 1–5+, erect, scapiform, eglandular or glandular-villous distally. Leaves mostly basal (rosettes), some cauline (proximal); petioles ± winged; blades oblance-olate to obovate or spatulate, 5–25 cm, margins entire or remotely dentate to pinnately lobed, lobes narrow to bluntly triangular or rounded, apices acute to obtuse or rounded, faces glabrous. eglandular (usually glaucous); cauline 1–4, sessile, lanceolate, bases sheathing or auriculate-clasping, usually entire, distalmost sometimes reduced, bractlike. Heads (2–)3–20+. Peduncles usually in groups of 2–6 from axils of single or paired distal cauline bracts. Involucres 7–11 mm. Phyllaries 8–18, reflexed in fruit. lanceolate, midveins obscure, apices acute, faces glabrous. Florets 25–60; corollas orange or yellow-orange, 15–25 mm. Cypselae reddish brown, columnar, 2–2.5 mm, 12–15-ribbed; pappi of ca. 10 outer scales 0.3–0.5 mm plus 20–40, barbellulate inner bristles 4.5–5.5 mm. 2n = 10, 20.

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

    "Fibrous-rooted perennial 2–8 dm from a short caudex, glabrous except generally under the heads, somewhat glaucous; basal lvs oblanceolate to broadly elliptic, mostly 4–25 cm (petiole included) × 1–5 cm, entire or toothed, or sometimes pinnatifid below but with a large, broad terminal segment; cauline lvs few, sessile and clasping, often much reduced, the uppermost often subopposite and with several long peduncles in their common axil; heads several; invol 7–14 mm, much surpassed by the orange fls; bracts 9–18, narrow, reflexed in age; pappus of 20–35 very fragile, unequal bristles and ca 10 inconspicuous hyaline scales less than 0.5 mm; 2n=10. Woods, roadsides, and fields; Mass. to Ga., w. to Man., Colo., and Ariz. May–Oct. (K. amplexicaulis)"

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

      Bibliography

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    Compositae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • A CC0 1.0 Universal (CC0 1.0).
    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.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    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.
    • C Flora of North America Association
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).