Jepson eFlora: Taxon page
Key to families | Table of families and genera
Previous taxon Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Next taxon
Spiraea splendens

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: SpiraeaView DescriptionDichotomous Key

Habit: Shrub, unarmed. Leaf: simple, oblong to (ob)ovate, generally serrate, deciduous; stipules generally 0; petiole 0--short. Inflorescence: raceme or panicle, many-flowered, bracted; pedicel bractlet generally 1, at top, generally linear. Flower: hypanthium obconic to bell-shaped, bractlets 0; sepals spreading to erect; petals spreading, pink to rose; stamens 15--many; pistils 5, opposite petals, free or fused at base, surrounded by hypanthium, ovaries superior, styles +- terminal, beak-like in fruit, stigmas head-like. Fruit: follicles 5, dehiscent along adaxial, top of abaxial suture. Seed: +- fusiform; coats membranous.
Species In Genus: +- 50 species: northern temperate. Etymology: (Greek: shrub)
eFlora Treatment Author: Daniel Potter & Thomas J. Rosatti

Spiraea splendens Baumann ex K. Koch
Habit: Plant 2--9 dm, glabrous to sparsely fine-hairy. Leaf: generally ovate, generally 1--7 cm; petiole < 3 mm. Flower: hypanthium 2--2.5 mm; sepals +- 1 mm; petals +- 1.5 mm, rose.
Ecology: Moist, rocky areas including serpentine, conifer forest; Elevation: 550--3400 m. Bioregional Distribution: KR, CaR, SNH; Distribution Outside California: to British Columbia, Nevada. Flowering Time: Jun--Sep
Synonyms: Spiraea densiflora Nutt. ex Rydb.; Spiraea densiflora Nutt. ex Torr. & A. Gray, inval.; Spiraea densiflora subsp. splendens (Baumann ex K. Koch) Abrams; Spiraea helleri Rydb.; Spiraea splendens E.N. Baumann ex K. Koch var. splendens
eFlora Treatment Author: Daniel Potter & Thomas J. Rosatti
Jepson Online Interchange

Previous taxon: Spiraea douglasii
Next taxon: Rubiaceae

Name Search
botanical illustration including Spiraea splendens


Citation for this treatment: Daniel Potter & Thomas J. Rosatti 2016. Spiraea splendens, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 05, 2016.

Spiraea splendens
click for enlargement
© 2004 George W. Hartwell
Spiraea splendens var. splendens
click for enlargement
© 2009 Barry Breckling
Spiraea splendens var. splendens
click for enlargement
© 2011 Christopher L. Christie
Spiraea splendens
click for enlargement
© 1980 Gary A. Monroe
Spiraea splendens
click for enlargement
© 2015 Steve Matson
Spiraea splendens
click for enlargement
© 2010 Neal Kramer

More photos of Spiraea splendens in CalPhotos

Geographic subdivisions for Spiraea splendens:
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).

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

CCH collections by month

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