jewelflowers

genus Streptanthus

Member of mustard family (family Brassicaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

Except for extremely rare examples that I don't expect to encounter, there are no other wild species of this genus in the bay area.

---

brewer’s jewelflower
Streptanthus breweri

• very similar to bristly jewelflower (Streptanthus glandulosus), but
• petals not crinkled
• stem and leaves glabrous
• on the east side of Mt. Hamilton

tamalpais jewelflower
Streptanthus batrachopus

• stem 3–17 cm
• radial calyx, ± red-purple
• upper 2 petals ± white with purple veins
• lower 2 petals ± purple
• Marin

mount hamilton jewelflower
Streptanthus callistus

• stem 2–9 cm
• inflorescence includes terminal sterile flower cluster [looks like mangled flowers]
• bell-shaped calyx, green to ± purple
• purple petals with darker veins
• Mt. Hamilton vicinity

mount diablo jewelflower
Streptanthus hispidus

• stem 3–30 cm
• inflorescence includes terminal sterile flower cluster [looks like buds?]
• bell-shaped calyx
• Mt. Diablo

---

2 observed taxons / 8 unobserved taxons / 2 keys

Chris’s observations: 14 (all are research grade)

Locations:

• Santa Teresa CP: 4
• Calero CP: 3
• Henry Coe SP: 3
• Almaden Quicksilver CP
• Ansel Adams Wilderness
• Mt. Madonna SP
• Sierra Vista OSP

Months:

• Mar.: 1
• Apr.: 3
• May: 8
• Jun.: 1
• Jul.: 0
• Aug.: 0
• Sep.: 1

For more details, use advanced search.

---

Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora