Gratiola heterosepala

Boggs lake hedge-hyssop

Family: Plantaginaceae · Type: annual · Native

Conservation status: CNPS 1B.2

Boggs lake hedge-hyssop is a rare (CNPS 1B.2) California native annual found in the northern Coast Ranges, Cascade Range, northern and central Sierra Nevada Foothill, Central Valley, and Modoc Plateau in shallow water and vernal pool margins at elevations up to 1,600 meters. Flowering from April to September, this delicate plant produces yellow flowers with white lower lobes, blooming in small, slender clusters. Growing with erect stems 2 to 10 centimeters tall and 4 to 7 leafy nodes, it forms compact, low-growing clusters. Its leaves vary from lance-linear proximally to oblong or obovate distally, with rounded to notched tips and clasping upper stems. The small ovoid fruits measure 3.5 to 5 millimeters long with blunt valve tips, containing tiny seeds less than one millimeter in size.

Habitat: Shallow water, margins of vernal pools

Bloom period: Apr-Sep

Elevation: < 1600 m (2400 m in Wrn)

Bioregions: NCoRI, CaR, n&ampc SNF, GV, MP

California counties: Lassen, Lake, Madera, Sacramento, Tehama, Fresno, Modoc, Placer, Shasta, Sonoma, Solano, Merced

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.