No key was found for the requested taxon, but its parent (Schenkia) is keyed as shown below.

Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Click images to enlarge and show more photo credit.

Key to Gentianaceae

Gentianaceae

Copy permalink to share

(c) Bradley, Keith
(c) Dill, Becky
1 Leaves all scale-like, 1-3 (-5) mm long, appressed to the stem.
(c) Danielson, Erik
  2 Plants green or purplish-brown, with chlorophyll (hemimycoheterotrophic); [tribe Gentianeae, subtribe Swertiinae]
(c) Bradley, Keith
  2 Plants white or cream, lacking chlorophyll (holomycoheterotrophic); [tribe Voyrieae]
(c) Sorrie, Bruce A. - CC-BY
1 Leaves larger, spreading or ascending.
(c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG
(c) Sorrie, Bruce A. - CC-BY
    3 Stem leaves whorled; plants robust, 1-3 m tall; [tribe Gentianeae, subtribe Swertiinae]
    3 Stem leaves opposite; plants generally < 1 m tall.
(c) Frumkin, Ron - CC-BY-NC, permission granted to NCBG
(c) Nesterova, Svetlana - CC-BY-NC, permission granted to NCBG
      4 Calyx lobes 6-8; corolla bright yellow
      4 Calyx lobes 0 (or interpretable as 2) or 4-5; corolla pink, blue, white.
(c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG
        5 Calyx lobes 0 (but the flower subtended by 2 leaflike bracts that have sometimes been interpreted as sepals); stem leaves obovate, widest near the rounded tip), 0.5-1.5 cm long, crowded near the tip of the stem, basal rosette never present; [of nutrient-rich, mesic forests]; [tribe Gentianeae, subtribe Swertiinae]
(c) Ward, Scott G
        5 Calyx lobes 4-5; stem leaves lanceolate, ovate, elliptic or narrowly elliptic (widest near the middle or toward the base, the tip acute or acuminate), mostly > 1.5 cm long, distributed fairly evenly along the stem, basal rosettes sometimes present; [of various more-or-less open habitats (except some species of Gentiana, which can occur in nutrient-rich, mesic forests)].
© Floyd A. Griffith
(c) Griffith, Floyd A.
          6 Corolla lobes 5-14, longer than the corolla tube, pink or white; [common natives]; [tribe Chironieae, subtribe Chironiinae].
(c) Cressler, Alan M.
             7 Stigmas shorter than the style
(c) Griffith, Floyd A.
             7 Stigmas equaling or longer than the style
(c) Ward, Scott G
(c) Bradley, Keith
          6 Corolla lobes 4-5, shorter than the corolla tube, blue, lavender, pink or white.
(c) Rompaey, Lies Van - CC-BY
               8 Corolla tube < 2 mm wide; [rare to uncommon exotics, naturalized in disturbed areas]; [tribe Chironieae, subtribe Chironiinae].
(c) Langeveld, Michel - CC-BY
(c) Cressler, Alan M.
(c) Ward, Scott G
                   10 Corolla lobes alternating with corolla appendages (appearing as plaits or lobes, these often toothed, notched, or lacerate, sometimes as long as or longer than the true corolla lobes); main stem leaves cuneate at the base; perennial; [tribe Gentianeae, subtribe Gentianinae]
(c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG
                   10 Corolla lobes not alternating with corolla appendages; main stem leaves rounded to cordate at the base; biennial or annual; [tribe Gentianeae, subtribe Swertiinae].
(c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG
                     11 Corolla lobes 4, finely fringed; main stem leaves rounded at base, with lateral veins obscure; biennial
© Derick Poindexter
(c) Gunnar, Aaron - CC-BY
                     11 Corolla lobes 5, entire, not fringed; main stem leaves cordate (the cordate bases often overlapping the opposite leaf), with 2-3 well-developed lateral veins (prominently visible on the lower surface); annual