Gratiola brevifolia
short-leaf hedge-hyssop, sticky hedge-hyssop
decumbent to ascending, simple or few- to much-branched, 20–60 cm, sparsely to moderately glandular-puberulent.
blade lanceolate to lanceolate-ovate or oblong, 8–25 × (1–)3–8(–13) mm, margins with (1 or)2–4 pairs of sharp teeth distally, apex acute, surfaces sparsely to densely glandular-puberulent.
slender, (5–)10–25(–30) mm, length 0.8–1.8 times bract, densely glandular-puberulent to glandular-pubescent;
bracteoles (1 or)2, 4–4.5 mm.
sepals distinct, linear-lanceolate, 5–7 mm;
corolla 10–13 mm, tube yellowish brown, veins yellow or brownish yellow, limb white;
style 3–5 mm.
subglobular to ovoid, 1.5–2.5 × 1–1.3 mm.
0.3–0.4 mm.
= 28.
Gratiola brevifolia
Gratiola brevifolia is morphologically variable. In parts of its range, narrow-leaved plants approach G. ramosa and some broad-leaved plants approach G. viscidula. A population of G. brevifolia in Delaware is disjunct from the nearest conspecific population by more than 800 km (W. M. Knapp and D. Estes 2006).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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