Jepson eFlora: Taxon page
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Peraphyllum ramosissimum

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: PeraphyllumView Description 

Species In Genus: 1 sp. Etymology: (Greek: very leafy)
eFlora Treatment Author: Daniel Potter & Thomas J. Rosatti

Peraphyllum ramosissimum Nutt.
Habit: Shrub 1--3 m, much-branched. Leaf: simple, +- clustered on short-shoots, deciduous, 1--4 cm; stipules early-deciduous; petiole +- 0; blade +- oblanceolate, mucronate, strigose, entire to minute-gland-toothed. Inflorescence: flowers 1--3, pedicelled, on short-shoots; pedicel bracts 0. Flower: hypanthium +- funnel-shaped, bractlets 0; sepals spreading to reflexed, 3--5 mm, hairy at least adaxially, persistent; petals spreading, 6--8 mm, +- obovate, white to rose; stamens +- 15--20, free; ovary 1, inferior, 4(6)-chambered, styles 2(3). Fruit: pome, 8--10 mm, spheric, yellow to red, purple, or blue.
Ecology: Dry washes, sagebrush scrub, pinyon/juniper woodland, pine forest; Elevation: 1010--2500 m. Bioregional Distribution: e CaRH, n&c SNH (e slope), GB, DMtns (Panamint Range); Distribution Outside California: to Oregon, Colorado, New Mexico. Flowering Time: Apr--May
eFlora Treatment Author: Daniel Potter & Thomas J. Rosatti
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botanical illustration including Peraphyllum ramosissimum


Citation for this treatment: Daniel Potter & Thomas J. Rosatti 2017. Peraphyllum ramosissimum, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 30, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on April 30, 2017.

Geographic subdivisions for Peraphyllum ramosissimum:
e CaRH, n&c SNH (e slope), GB, DMtns (Panamint Range);
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.
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.