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Vascular Plants of California
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Rhodiola


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 (whorled), in dense to open, basal (or terminal) rosettes, or basal and cauline (not in rosettes), reduced on distal stem or not, often +- red. Inflorescence: generally a cyme, panicle-like, 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(8), simple, fused at base or not, ovary 1-chambered, placenta 1, parietal, ovules 1--many, style 1 per pistil. Fruit: follicles, generally 3--5. Seed: 1--many, small.
Genera In Family: +- 33 genera, +- 1400 species: +- worldwide, especially dry temperate; many cultivated for ornament. Note: Water-stressed plants often +- red. Consistent terminology regarding leaves, bracts difficult; in Aeonium and Dudleya, structures in rosettes are leaves, those on peduncles are bracts, and those subtending flowers are flower bracts; thus in taxa where the inflorescence is terminal, rosette leaves may "become" bracts as stem rapidly elongates to form an inflorescence. In Sedum structures below the inflorescence are interpreted as stems and leaves, not peduncles and bracts. Seed numbers given per follicle. SCIED: Scientific Editor: Bruce G. Baldwin, Thomas J. Rosatti.
eFlora Treatment Author: Steve Boyd, except as noted
Scientific Editor: Bruce G. Baldwin, Thomas J. Rosatti.
Rhodiola
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)
Jepson eFlora Author: Steve Boyd
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Next taxon: Rhodiola integrifolia subsp. integrifolia

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Citation for this treatment: Steve Boyd 2012, Rhodiola, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=69166, accessed on April 25, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 25, 2024.