Friday, January 15, 2016

Pholistoma membranaceum (White Fiestaflower)

3/13/05 Pipes Canyon Road, Yucca Valley, San Bernardino County, CA

3/13/05 Pipes Canyon Road


COMMON NAME: White Fiestaflower

SPECIES: Pholistoma membranaceum

FAMILY: Boraginaceae (Borage Family)


LOCATION: Pipes Canyon Road, Yucca Valley, San Bernardino County, CA


Treatment from The Jepson Manual (1993):

Stem 5–90 cm, generally glaucous

Leaves: lower 2–13 cm, 1–8 cm wide, petiole narrowly winged, not clasping, blade oblong to ovate, base cordate or truncate, tip obtuse, lobes 5–11, oblong, obtuse, entire or 1-toothed

Inflorescence: cyme; flowers generally 2–10; pedicel 5–20 mm

Flower: calyx rotate in fruit, lobes 1–3 mm, oblong, sinus appendages 0; corolla 3–6 mm, < 1 cm wide, white, generally purple spot on each lobe; style 1–2 mm

Fruit 2–4 mm wide

Seeds 1–2

Ecology: Beaches, bluffs, ravines, wooded slopes, desert washes

Elevation: 40–1400 m.  

Bioregional distribution: c&s Sierra Nevada Foothills, Tehachapi Mountain Area, San Joaquin Valley, Central Western California, Southwestern California, Desert 

Distribution outside California: Baja California

Flowering time: Mar–May

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