Nemacladus longiflorus

Long-flowering threadplant

Family: Campanulaceae · Type: annual · Native

Long-flowering threadplant is a California native annual found in sandy or gravelly slopes and washes at elevations of 100 to 2,400 meters. Flowering from April to June, this delicate plant produces white flowers with deep pink veins and yellow throat spots, with a distinctive salverform corolla 5 to 8 millimeters long featuring maroon stripes. Growing 7 to 21 centimeters tall with erect stems that branch from the base, the threadplant has a slender, zigzag growth habit. Its leaves range from 3 to 12 millimeters long, oblanceolate to ovate, with sparse to dense hairs and narrow winged petioles. The fruit is a small oblong-fusiform structure 3 to 5 millimeters long with acute base and tip.

Habitat: Sandy or gravelly slopes, washes

Bloom period: Apr-Jun

Elevation: 100-2400 m

California counties: San Bernardino, Riverside, San Diego, Los Angeles, Orange, Monterey, San Luis Obispo

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