Saturday, January 16, 2016

Phacelia heterophylla (Varileaf Phacelia, Varied-leaf Phacelia)

7/2/05 Roadside off east side of Hwy. 395 between Lichfield and Ravendale near mile marker 97, Lassen County, CA




COMMON NAME: Varileaf Phacelia, Varied-leaf Phacelia

SPECIES: Phacelia heterophylla

FAMILY: Boraginaceae (Borage Family)


LOCATION: Roadside off east side of Hwy 395 between Lichfield and Ravendale near mile marker 97, Lassen County, CA


Treatment from The Jepson Manual (1993):

Biennial, weak perennial herb, 20–120 cm

Stems: central erect, > lateral; lateral ascending, stiff-hairy, not glandular

Leaves mostly basal; blade 50–150 mm, generally > petiole, lanceolate to ovate, basal dissected, segments 5–9, upper simple to dissected

Flower: pedicels 0.5–1 mm; calyx lobes 3–6 mm, 6–10 mm in fruit, oblong to lanceolate; corolla 4–7 mm, bell-shaped, white to lavender, scales oblong; stamens 8–10 mm, exserted, hairy; style 8–10 mm, excerpted

Fruit 2.5–3 mm, ovoid, stiff-hairy

Seeds 1–3, 1.5–2.5 mm, pitted in vertical rows

Ecology: Slopes, flats, roadsides

Elevation: 100–2900 m.  

Bioregional distribution: Northwestern California, Cascade Range, n&c Sierra Nevada, Great Basin Floristic Province 

Distribution outside California: to Oregon, Idaho, Wyoming

Flowering time: May–Jul

Sometimes intergrades with  P. mutabilis.  Ssp. h. in Rocky Mtns

Horticultural information: SUN, DRN: 1, 2, 3, 6, 7, 14, 15, 16, 17.

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