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Calycanthus occidentalis
SWEET-SHRUB, SPICEBUSH

Higher Taxonomy
Family: CalycanthaceaeView Description 

Common Name: SWEET-SHRUB or CALYCANTHUS FAMILY
Habit: Shrub, deciduous [evergreen], aromatic. Leaf: opposite, simple, entire; stipules 0; petiole short. Inflorescence: flowers 1, terminal on short branches. Flower: bisexual, radial; receptacle hollow; parts generally many, spirally arranged; perianth parts +- petal-like, grading into bracts below; stamens on top of receptacle, smaller, sterile inward, filaments < anthers [0]; pistils simple, on inner face of receptacle, 2-ovuled, style thread-like, exserted from receptacle. Fruit: achenes many, included in +- leathery receptacle.
Genera In Family: 3 genera, +- 10 species: North America, China, Australia; Calycanthus, Chimonanthus cultivated as ornamental, for fragrance. Note: Notable for disjunctions.
eFlora Treatment Author: George P. Johnson & Fosiée Tahbaz
Scientific Editor: Thomas J. Rosatti.
Genus: CalycanthusView Description 

Flower: perianth maroon or red-brown, inner parts shorter.
Species In Genus: 2 species: California, eastern United States. Etymology: (Greek: cup flower, from hollow receptacle)

Calycanthus occidentalis Hook. & Arn.
NATIVE
Habit: Erect, 1--3+ m, +- rounded. Leaf: petiole 3--10 mm; blade 5--15 cm, ovate- to lance-oblong or ovate-elliptic, firm, base generally rounded (cordate), tip acute (obtuse), abaxially +- glabrous to +- hairy, adaxially +- scabrous. Flower: +- 5 cm diam; perianth +- fleshy, hairy; filaments < 1 mm, anthers 4--5 mm. Fruit: receptacle ovoid (bell-shaped), with scars of perianth parts; achenes 7--10 mm, +- velvety, margins granular. Chromosomes: n=11.
Ecology: Moist, shady places, canyons, streamsides; Elevation: generally < 1500 m. Bioregional Distribution: se KR, s NCoRO, NCoRI, s CaR, SNF, c&s SNH, SnJV (Kings River floodplain, e of Fresno), apparently naturalized n PR (Palomar Mtns). Flowering Time: Mar--Aug
eFlora Treatment Author: George P. Johnson & Fosiée Tahbaz
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botanical illustration including Calycanthus occidentalis

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Citation for this treatment: George P. Johnson & Fosiée Tahbaz 2016. Calycanthus occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16812, accessed on December 08, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 08, 2016.


Calycanthus occidentalis
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© 2013 Keir Morse
Calycanthus occidentalis
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© 2016 Steve Matson
Calycanthus occidentalis
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© 2013 Neal Kramer
Calycanthus occidentalis
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© 2007 George W. Hartwell
Calycanthus occidentalis
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© 2013 Neal Kramer
Calycanthus occidentalis
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© 2009 Keir Morse

More photos of Calycanthus occidentalis in CalPhotos


Geographic subdivisions for Calycanthus occidentalis:
se KR, s NCoRO, NCoRI, s CaR, SNF, c&s SNH, SnJV (Kings River floodplain, e of Fresno), apparently naturalized n PR (Palomar Mtns).
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.