Sabatia dodecandra
Sabatia campestris
giant rose-gentian, marsh rose-gentian, perennial rose-gentian
meadow-pink, prairie rose gentian, Texas star, western rose-gentian
1–several, clustered, terete or distally 4-ridged but not angled or winged, 0.8–6 dm, branching all or mostly alternate.
generally single, 4-angled, sometimes with wings to 0.2 mm wide, 0.6–5 dm, branching all or mostly alternate.
basal absent at flowering time, internodes between cauline leaves mostly 1.25+ times as long as subtending leaves;
blade elliptic- or oblong-lanceolate, 1.5–7 cm × 4–12(–16) mm.
all cauline at flowering time;
blade lanceolate-elliptic to ovate, that is, widest proximal to or near middle, 0.8–4 cm × 5–20 mm.
open, few-flowered monochasia or solitary flowers at ends of branches;
pedicels 10–90(–110) mm.
open cymes;
pedicels (10–)20–100 mm.
7–12(–14)-merous;
calyx tube obconic to campanulate, 1.5–4 mm, mid- and commissural veins about equally prominent, 4-ridged;
lobes linear to oblong-lanceolate or occasionally narrowly spatulate or ± foliaceous, 4–20 mm;
corolla purplish pink or rarely white, eye yellow, projections of eye into corolla lobes oblong, sometimes shallowly 3-lobed, usually with a red border, tube (3–)4–8 mm, lobes oblanceolate to narrowly spatulate-obovate, (10–)12–25 × 3–11 mm, apex rounded to subacute;
anthers coiling circinately.
5-merous;
calyx tube shallowly campanulate, 3–8 mm, commissural veins more prominent than midveins, strongly ridged, distally keeled, lobes linear, (6–)10–22(–32) mm;
corolla pink or occasionally white, eye often absent or not sharply defined, when present greenish yellow, projections of eye into corolla lobes oblong to narrowly triangular with a reddish border alternating with shorter white or paler yellow zones, tube 4–9 mm, lobes obovate, that is, widest distal to middle, 10–25 × (5–)9–15 mm, apex abruptly ± acute;
anthers coiling circinately.
= 34 + 8B.
= 26.
Sabatia dodecandra
Sabatia campestris
There are historical records of Sabatia dodecandra from Connecticut and New York. Reports from west of the range given here have been based on a concept of the species that included S. foliosa.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Sabatia campestris occurred as an introduction in Connecticut and Maine in the past. Reports from North Carolina have been derived from the misreading of the label of a specimen actually from Missouri. Reports from Iowa were probably derived from a combination of an ambiguous description and misinterpreted geographic data.
Sabatia campestris often resembles S. angularis in aspect, and its stems may be distinctly although narrowly winged. The species can readily be distinguished from S. angularis by the prominent keeled ridges below the sinuses of its calyx. Also, in the corollas of S. campestris, the yellow projections of the eye are oblong to narrowly triangular, alternating with shorter, pale yellow to white zones; those of S. angularis the yellow or yellowish green projections of the eye are widely triangular, contiguous, not alternating with pale yellow zones.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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