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Chamaebatiaria millefolium

Higher Taxonomy
Family: RosaceaeView DescriptionDichotomous Key

Common Name: ROSE FAMILY
Habit: Annual to tree, glandular or not. Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous. Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel ("pedicel bractlets") generally 0--3(many), subtended by bract or generally not. Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets ("hypanthium bractlets") 0--5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5--many, anther pollen sacs generally 2; pistils (0)1--many, simple or compound, ovary superior to inferior, styles 1--5. Fruit: 1--many per flower, achene (fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1--5 stones. Seed: generally 1--5 (per fruit, not per flower).
Genera In Family: 110 genera, +- 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. Note: Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis.
eFlora Treatment Author: Daniel Potter & Barbara Ertter, family description, key to genera; treatment of genera by Daniel Potter, except as noted
Scientific Editor: Daniel Potter, Thomas J. Rosatti.
Genus: ChamaebatiariaView Description 

Species In Genus: 1 sp. Etymology: (Greek: Chamaebatia-like)
eFlora Treatment Author: Brian Vanden Heuvel & Thomas J. Rosatti

Chamaebatiaria millefolium (Torr.) Maxim.
Habit: Shrub 6--20 dm, strong-smelling, evergreen, densely branched, generally stellate-hairy, glandular. Leaf: alternate, odd-(1)2-pinnately compound, 2--8 cm, oblong; stipules entire; 1° leaflets 13--25; 2° leaflets 6--10, 0.8--2 mm, sessile, entire, lobed, or toothed; petioles, axes hairy adaxially. Inflorescence: panicle or raceme, 3--15 cm, flowers 20--400; pedicel bractlets 1--21. Flower: hypanthium bractlets 0; sepals 5, 2.5--4 mm, lanceolate, acute, abaxially glandular-hairy; petals 5, +- 5 mm, +- round, white; pistils 4--5, ovaries superior, +- fused below, ovules generally >= 2, styles free. Fruit: follicles, 3--5 mm, red-brown, leathery, dehiscent on inner suture, upper 1/2 of outer. Seed: few, 2.5--3.5 mm, narrow-fusiform, +- yellow. Chromosomes: n=9.
Ecology: Dry, rocky sagebrush scrub, pinyon/juniper woodland, pine forest; Elevation: 900--3400 m. Bioregional Distribution: KR, CaR, SN (e slope), GB, ne DMtns; Distribution Outside California: to Oregon, southern Idaho, Utah, Arizona. Flowering Time: Jun--Aug
eFlora Treatment Author: Brian Vanden Heuvel & Thomas J. Rosatti
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botanical illustration including Chamaebatiaria millefolium


Citation for this treatment: Brian Vanden Heuvel & Thomas J. Rosatti 2016. Chamaebatiaria millefolium, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 03, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 03, 2016.

Chamaebatiaria millefolium
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© 2003 Christopher L. Christie
Chamaebatiaria millefolium
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© 2010 California Academy of Sciences
Chamaebatiaria millefolium
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© 2011 Neal Kramer
Chamaebatiaria millefolium
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© 2013 Barry Breckling
Chamaebatiaria millefolium
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© 2013 Barry Breckling
Chamaebatiaria millefolium
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© 2015 California Academy of Sciences

More photos of Chamaebatiaria millefolium in CalPhotos

Geographic subdivisions for Chamaebatiaria millefolium:
KR, CaR, SN (e slope), GB, ne DMtns;
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.
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.