Sabatia brevifolia
Sabatia campestris
Elliott's or narrow-leaf or short-leaf sabatia, shortleaf rose gentian
meadow-pink, prairie rose gentian, Texas star, western rose-gentian
single, terete, 1.5–7 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.
all cauline or basal occasionally persistent at flowering time;
blade linear to oblong-lanceolate, 0.5–3 cm × 1–5(–7) 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 cymes or solitary flowers at ends of branches;
pedicels (10–)20–40(–50) mm.
open cymes;
pedicels (10–)20–100 mm.
5-merous;
calyx tube obconic, 1–3 mm, mid- and commissural veins about equally prominent, not or low-ridged, lobes filiform, 3–8 mm;
corolla white, eye greenish yellow, projections of eye into corolla lobes without a contrasting border, tube 1–3 mm, lobes oblanceolate, 6–18 × 2–7 mm, apex obtuse to acute;
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.
= 32.
= 26.
Sabatia brevifolia
Sabatia campestris
Reports of Sabatia brevifolia from Louisiana were based on a specimen of questionable provenance and are considered probably erroneous by students of that state’s flora.
In some older literature, the name Sabatia difformis was misapplied to S. brevifolia.
(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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