genus Pholistoma

Member of borage family (family Boraginaceae)
borages (order Boraginales)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

There are no other wild species of this genus in California.

fiesta flower
Pholistoma auritum

fiesta flower
Pholistoma auritum

corolla 7–15 mm, 10–30 mm wide, blue to purple with darker marks in throat
leaf petiole wide-winged, clasping
leaf blade tip acuminate

white fiesta flower
Pholistoma membranaceum

white fiesta flower
Pholistoma membranaceum

corolla 3–6 mm, < 10 mm wide, white, lobe generally with purple spot
leaf petiole narrow-winged, not clasping
leaf blade oblong to ovate [i.e. lobes don’t consistently taper toward the tip]

2 observed taxons / 1 key

Chris’s observations: 22 (all are research grade)

Locations:

Santa Teresa CP: 8
Henry Coe SP: 4
Calero CP: 3
Fort Ord NM: 3
Almaden Quicksilver CP
Pinnacles NP
Stevens Creek CP
Sunol Wilderness RP

Months:

Feb.: 1
Mar.: 3
Apr.: 13
May: 5

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Not all sites include this taxon:

genus Pholistoma → iNaturalist – Calflora – Jepson eFlora
not yet listed → FNA

Bay Area species: iNaturalist – Calflora