E-Flora BC: Electronic Atlas of the Flora of British Columbia

Gratiola neglecta Torr.
American hedge-hyssop (clammy hedgehyssop)
Plantaginaceae (Mare's-tail family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #14582)

E-Flora BC Static Map
Distribution of Gratiola neglecta
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Species Information

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Annual herb from fibrous roots; stems ascending to decumbent, 5-30 cm tall, simple or branched, finely glandular-hairy and clammy especially upward.
Opposite, unstalked, lanceolate to narrowly egg-shaped, 10-40 mm long, entire or remotely toothed toward the tip, short-tapering to the pointed or blunt tip.
Inflorescence of single small flowers on stalks in the axils of reduced upper leaves, the stalks slender, glandular-hairy, 1-2 cm long, with 2 bractlets at the top; corollas tubular, 7-10 mm long, 2-lipped, the upper lip merely shallowly notched, the lower lip 3-lobed, the tube yellow, the lobes white to lavender; calyces 3-7 mm long, the 5 nearly distinct sepals more or less equal, lanceolate, pointed at the tip but not sharply so, accompanied by the 2 bractlets, which are about the same size and shape as the sepals; fertile stamens 2.
Capsules, broadly egg-shaped, pointed, 4-7 mm long; seeds numerous, short-cylindric, net-veined.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet open muddy edges of lakes, ponds and streams and in shallow water in the lowland, steppe and lower montane zones; infrequent in SW BC, rare elsewhere in S BC; E to PQ and NS and S to ME, NY, PA, SC, AL, LA, TX, NM, AZ and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Gratiola neglecta

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 1380 1380 1380
Slope Gradient (%) 40 40 40
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
270 270 270
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: MS(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Gratiola neglecta var. glaberrima Fernald

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References