german chamomiles and pineapple-weeds

genus Matricaria

Member of sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

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

pineapple-weed
Matricaria discoidea

pineapple-weed
Matricaria discoidea

plant (1)10–30(50) cm
peduncle ≤ 1.5(2.5) cm
disturbed places
very common
crushed flower head smells like pineapple [but not leaves alone]

valley mayweed
Matricaria occidentalis

plant 15–45(70) cm
peduncle ≤ 6.5 cm
undisturbed wet places
only in historical records

german chamomile
Matricaria chamomilla

german chamomile
Matricaria chamomilla

daisy like, looks much like chamomiles (genus Anthemis)
leaf lobes longer than for “real” chamomiles
very rare

1 observed taxon / 2 unobserved taxons / 1 key

Chris’s observations: 44 (all are research grade)

Locations:

Edgewood County Park & Natural Preserve: 5
Russian Ridge OSP: 5
Santa Teresa CP: 5
Coyote Lake / Harvey Bear Ranch CP: 4
Henry Coe SP: 4
Calero CP: 3
Joseph D. Grant CP: 3
Pleasanton Ridge RP: 3
Almaden Quicksilver CP: 2
Fremont Older OSP: 2
Rancho Cañada del Oro OSP: 2
Skyline Ridge OSP: 2
Monte Bello OSP
Máyyan 'Ooyákma Coyote Ridge OSP
Sierra Vista OSP
Sunol Wilderness RP

Months:

Mar.: 6
Apr.: 18
May: 17
Jun.: 3

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora