stalked monkeyflowers

genus Erythranthe

Member of monkeyflowers (family Phrymaceae)
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.

yellow corolla

calyx uppermost lobe longest, lowest 2 generally upcurved
corolla lower lip base generally swollen, ± closing mouth

seep monkeyflowers
section Simiolus

calyx lobes generally ± equal or lowest 2 longest, not upcurved
corolla lower lip base not swollen, not closing mouth

coastal monkeyflower
Erythranthe dentata

stolons or rhizomes present
leaf blade 15–70 mm
herbage non-glandular
corolla tube generally > 4 mm wide
calyx hairy
very rare

wing-leaf monkeyflower
Erythranthe ptilota

wing-leaf monkeyflower
Erythranthe ptilota

cauline leaf blade 30–70 mm

leaf usually sessile

fruiting pedicels 22–50 mm
calyx lobes unequal, 5–9 mm
near Santa Cruz and Marin

musk monkeyflower
Erythranthe moschata

musk monkeyflower
Erythranthe moschata

stolons or rhizomes present
leaf blade 10–40 mm
fruiting pedicels 4–25 mm
calyx lobes 2–4 mm
herbage glandular
corolla tube 2–4 mm wide except wider at mouth
calyx glabrous to slimy-hairy
leaf surfaces feel wet & slimy
latest refinements have these only in Marin

purple-stemmed monkeyflower
Erythranthe floribunda

neither stolons nor rhizomes present
leaf blade 8–25 mm
herbage hairy, generally ± slimy
calyx ± hairy

broadtooth monkeyflower
Erythranthe latidens

neither stolons nor rhizomes present
leaf 4–25 mm, proximal-most ± petioled, in basal rosette
calyx tube glabrous to puberulent
very rare

other colors of corolla

scarlet monkeyflower
Erythranthe cardinalis

scarlet monkeyflower
Erythranthe cardinalis

corolla red or orange-red

rockjasmine monkeyflower
Erythranthe androsacea

corolla pink to purple
also check the purple flowers in sessile monkeyflowers (genus Diplacus)

leaf bases clasping
5 corolla limbs, ± equal, each 3–7 mm wide
calyx generally minutely puberulent, may be green or red-purple

very rare

7 observed taxons / 4 unobserved taxons / 2 keys

Chris’s observations: 57 (31 are research grade)

Locations:

Calero CP: 14
Santa Teresa CP: 6
Máyyan 'Ooyákma Coyote Ridge OSP: 4
Edgewood County Park & Natural Preserve: 3
Coyote Lake / Harvey Bear Ranch CP: 2
Henry Coe SP: 2
Henry Cowell Redwoods SP: 2
Nisene Marks SP: 2
Pinnacles NP: 2
Sierra Vista OSP: 2
Ansel Adams Wilderness
Bear Creek Redwoods OSP
Coal Creek OSP
Desolation Wilderness
Dimond Canyon Trail, Oakland
Ed R. Levin CP
Garrapata SP
Golden Gate National Recreation Area
Henry Cowell Redwoods SP - Fall Creek Unit
Joseph D. Grant CP
Lassen Volcanic NP
Monte Bello OSP
Montebello Road, Cupertino
Russian Ridge OSP
Stevens Creek CP
Sunol Wilderness RP
Sweeney Ridge National Recreation Area
Wilder Ranch SP

Months:

Jan.: 1
Feb.: 0
Mar.: 5
Apr.: 10
May: 20
Jun.: 4
Jul.: 9
Aug.: 3
Sep.: 3
Oct.: 2

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora