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Vascular Plants of California
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Rhodiola integrifolia subsp. integrifolia
WESTERN ROSEROOT


Higher Taxonomy
Family: CrassulaceaeView DescriptionDichotomous Key
Common Name: STONECROP FAMILY
Habit: Annual to shrub [(+- tree-like or climbing)], fleshy. Leaf: generally simple, alternate or opposite, in dense to open, basal (or terminal) rosettes or basal and cauline, not in rosettes, reduced distally or not, margin often +- red. Inflorescence: generally cyme, generally bracted. Flower: generally bisexual; sepals generally 3--5, generally +- free; petals generally 3--5, +- free or fused; stamens >> to = sepals, epipetalous or not; pistils generally 3--5, simple, fused at base or not, ovary 1-chambered, placenta 1, parietal, ovules 1--many, style 1. Fruit: follicles, generally 3--5. Seed: 1--many, small.
Genera In Family: +- 33 genera, +- 1400 species: +- worldwide, especially dry temperate; many cultivated for ornamental. Note: Water-stressed plants often +- brown or +- red. Consistent terminology regarding leaves, bracts difficult; in taxa with rosettes (e.g., Aeonium, Dudleya, some Sedum), structures in rosettes are leaves, those on peduncles are bracts, and those subtending flowers are flower bracts; in taxa where inflorescence is terminal, rosette leaves may "become" bracts as stem rapidly elongates to form inflorescence. Seed numbers given per follicle.
eFlora Treatment Author: Steve Boyd, except as noted
Scientific Editor: Thomas J. Rosatti, Bruce G. Baldwin.
Genus: RhodiolaView Description 


Habit: Perennial herb from short, scaly caudex, glabrous [hairy]; dioecious or not. Leaf: cauline, sessile, alternate, entire to toothed. Inflorescence: generally hemispheric, generally dense. Flower: +- unisexual; sepals, petals 4--5[6], not circumscissile in fruit; sepals fused at base; petals +- free; stamens 2 × sepals in number, epipetalous; pistils 4--5(6), free or fused below. Fruit: erect. Seed: many, < 3 mm, +- fusiform, brown, striate.
Species In Genus: +- 40 species: generally montane to arctic; N temperate, especially Asia. Etymology: (Greek: rose, for scent of roots)
eFlora Treatment Author: Steve Boyd
Rhodiola integrifolia Raf. subsp. integrifolia
NATIVE
Habit: Plant (2)3--15(50) cm; caudex short, thick, fleshy, branched. Leaf: 5--30(50) mm, 2--15(20) mm wide, oblanceolate to obovate or elliptic, entire or toothed, tip acute to obtuse, generally green, +- glaucous or not. Inflorescence: +- 1--3 cm, 7--50-flowered, dense. Flower: most or all unisexual; sepals, petals 4(5); sepals 1.5--3 mm, lanceolate to ovate; petals free, 2--4 mm, dark red to deep red-purple (narrowly spoon-shaped, > sepals, +- spreading in staminate, to linear or awl-like, <= sepals, erect in pistillate); anthers light brown to red-purple. Fruit: 3--6(10) mm. Seed: 1.4--2 mm. Chromosomes: n=18.
Ecology: Cliffs, talus, alpine ridges, margins of meadows, streams; Elevation: 1800--4000 m. Bioregional Distribution: KR, SNH, Wrn, W&I; Distribution Outside California: western North America. Flowering Time: May--Aug
Synonyms: Sedum rosea (L.) Scop. subsp. integrifolium (Raf.) Hultén; Sedum roseum subsp. integrifolium, orth. var.
Jepson eFlora Author: Steve Boyd
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Botanical illustration including Rhodiola integrifolia subsp. integrifolia

botanical illustration including Rhodiola integrifolia subsp. integrifolia

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Citation for this treatment: Steve Boyd 2012, Rhodiola integrifolia subsp. integrifolia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=80583, accessed on October 17, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on October 17, 2019.

Rhodiola integrifolia subsp. integrifolia
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© 2013 Gary A. Monroe
Rhodiola integrifolia subsp. integrifolia
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© 2014 Barry Breckling
Rhodiola integrifolia subsp. integrifolia
click for enlargement
© 2008 Gary A. Monroe
Rhodiola integrifolia subsp. integrifolia
click for enlargement
© 2009 Barry Breckling
Rhodiola integrifolia subsp. integrifolia
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© 2014 Steve Matson
Rhodiola integrifolia subsp. integrifolia
click for enlargement
© 2015 Barry Breckling

More photos of Rhodiola integrifolia subsp. integrifolia in CalPhotos



Geographic subdivisions for Rhodiola integrifolia subsp. integrifolia:
KR, SNH, Wrn, W&I
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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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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.