rhododendrons and azaleas

genus Rhododendron

Member of heath family (family Ericaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

There are no other wild species of this genus in the bay area.

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pacific rhododendron
Rhododendron macrophyllum

• leathery, evergreen leaves
• 10 stamens
• no ± flat glandular scales abaxially on leaf

Toxicity of azalea, rhododendron (Rhododendron genus):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.

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2 observed taxons / 1 unobserved taxon / 1 key

Chris’s observations: 5 (4 are research grade)

Locations:

• Ansel Adams Wilderness
• Big Basin SP
• Desolation Wilderness
• Henry Cowell Redwoods SP
• UCSC Campus Natural Reserve

Months:

• May: 1
• Jun.: 0
• Jul.: 1
• Aug.: 1
• Sep.: 2

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora