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Cornus nuttallii
MOUNTAIN DOGWOOD

Higher Taxonomy
Family: CornaceaeView Description 

Common Name: DOGWOOD FAMILY
Habit: Perennial herb to tree; sometimes dioecious. Leaf: generally opposite, simple, generally entire, generally deciduous, veins often arched; stipules 0. Inflorescence: cyme or raceme, generally umbel- or head-like, subtended by showy or +- non-showy bracts or open, not subtended by bracts. Flower: generally small, generally bisexual; calyx generally 4-lobed; petals [0]4[(5)], free; stamens generally as many as, alternate petals; ovary inferior, chambers 1--4, 1-ovuled, style simple, stigma lobes 0[2--4]. Fruit: drupe [berry]. Seed: generally 1--2.
Genera In Family: +- 12 genera, +- 100 species: especially northern temperate (also southern tropics, subtrop); cultivated as ornamental (Cornus, Aucuba); some timber species.
eFlora Treatment Author: James R. Shevock
Scientific Editor: Thomas J. Rosatti.
Genus: CornusView DescriptionDichotomous Key

Common Name: DOGWOOD
Leaf: generally opposite or whorled; base, tip generally tapered. Inflorescence: head-like cyme subtended by showy bracts, open cyme not subtended by bracts, or umbel subtended by non-showy bracts. Fruit: stone 1--2-chambered.
Species In Genus: +- 50 species: northern temperate, rare southern hemisphere; many cultivated as ornamental, some for fall color; some fruit used for jam, syrup. Etymology: (Latin: horn, from the hard wood) Note: Divided by some into 6 or more genera.

Cornus nuttallii Audubon
NATIVE
Habit: Shrub, tree, < 25 m. Stem: twigs green, hairy; bark in age dark red to +- black. Leaf: blade 6--12 cm, narrow-elliptic to obovate, adaxially appressed-puberulent, abaxially paler, hairier; petiole 5--10 mm. Inflorescence: head-like; bracts 4--7, 4--6 cm, 3--6 cm wide, showy, +- white, persistent; receptacle convex. Flower: sepals 2.5 mm; petals 4 mm, +- green to white; style 2 mm. Fruit: 1--1.5 cm, elliptic, generally angled from crowding, red; stone smooth.
Ecology: Forest; Elevation: < 2000 m. Bioregional Distribution: CA-FP (less common s CA); Distribution Outside California: to British Columbia, Idaho. Flowering Time: Apr--Jul
eFlora Treatment Author: James R. Shevock
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botanical illustration including Cornus nuttallii

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Citation for this treatment: James R. Shevock 2016. Cornus nuttallii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=20397, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 05, 2016.


Cornus nuttallii
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© 2016 California Academy of Sciences
Cornus nuttallii
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© 2008 Keir Morse
Cornus nuttallii
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© 2009 Barry Breckling
Cornus nuttallii
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© 2009 Barry Breckling
Cornus nuttallii
click for enlargement
© 2008 Keir Morse
Cornus nuttallii
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© 2005 George W. Hartwell

More photos of Cornus nuttallii in CalPhotos


Geographic subdivisions for Cornus nuttallii:
CA-FP (less common s CA);
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.