Jepson eFlora
Key to families | Table of families and genera

Key to Cornus

View taxon page for Cornus

1. Inflorescence open, not head- or umbel-like, generally appearing with or after leaves, not subtended by bracts

2. Leaf blade generally 2–5 cm, veins 3–4 pairs ..... C. glabrata

2' Leaf blade generally 5–10 cm, veins 4–7 pairs ..... C. sericea

3. Leaf generally dense-rough-hairy abaxially; petals 3–4.5 mm; stone generally 3-ridged on faces ..... subsp. occidentalis

3' Leaf generally ± glabrous to strigose abaxially; petals 2–3 mm; stone generally smooth on faces ..... subsp. sericea

1' Inflorescence head- or umbel-like, generally appearing before leaves, subtended by 4–7 showy or ± non-showy bracts

4. Inflorescence bracts 4, ± not showy, ± brown, generally with yellow margins, ephemeral ..... C. sessilis

4' Inflorescence bracts 4–7, showy, ± white, persistent

5. Perennial herb, rhizomed; inflorescence bracts 4, 0.8–1.6 cm; fruit ± 8 mm, spheric ..... C. canadensis

5' Shrub, tree, not rhizomed; inflorescence bracts 4–7, 4–6 cm; fruit 10–15 mm, elliptic ..... C. nuttallii

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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