Jepson eFlora: Taxon page
Vascular Plants of California
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Rubus nivalis
SNOW DWARF BRAMBLE


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: RubusView DescriptionDichotomous Key


Habit: Generally shrub; (dioecious). Stem: persisting 1--2 years, rooting at tips and/or nodes or not, erect or arched to mounded or prostrate, 5-angled or not, hairy or glabrous, glaucous or not, stalked glands present or not; bristles or prickles 0--many, prickles stout and wide-based or weak and slender, straight or curved. Leaf: simple, palmately lobed, to palmately compound, leaflets 3 or 5(11), toothed, abaxially +- glabrous to densely hairy; stipules thread-like to ovate or elliptic. Inflorescence: raceme- or panicle-like cyme, axillary or terminal; pedicel bractlets 0. Flower: generally bisexual; hypanthium flat to saucer-shaped, bractlets 0; sepals persistent, reflexed to ascending, ovate or lance-ovate, hairy or glabrous, stalked or sessile glands present or not, tip pointed, prickly or not; petals widely obovate, spoon-shaped, or elliptic, white to +- pink or magenta; stamens generally >> 20, filaments thread- or strap-like; pistils 5--150, receptacle flat or convex to conical, spongy, generally elongated in fruit, ovaries superior, hairy or glabrous, styles long, slender or short, thick, glabrous or hairy; ovules 2, 1 maturing. Fruit: fleshy-coated achenes, aggregate of few to many, yellow, orange, red, or black, generally falling as unit, separating with (blackberry-type) or without (raspberry-type) receptacle attached.
Species In Genus: 400--750 species: worldwide except Antarctica, especially northern temperate. Etymology: (Latin: red; ancient name for bramble, blackberry)
eFlora Treatment Author: Lawrence A. Alice
Unabridged Reference: Alice & Campbell 1999 Amer J Bot 86:81--97
Rubus nivalis Douglas
NATIVE
Habit: Perennial herb, prostrate; prickles few to several, small, +- wide-based, curved. Stem: 1--2 mm diam, not angled, glabrous, not glaucous, persisting 1 year, rooting at nodes. Leaf: generally simple, +- 3-lobed, or compound, leaflets (2)3, terminal ovate to cordate, toothed, tip acute to obtuse, abaxially glabrous; stipules 2--4 mm wide, ovate to elliptic. Inflorescence: flowers 1--2. Flower: sepals hairy, +- prickly, nonglandular; petals (4)6--10 mm, narrow-elliptic, pink to magenta (white); filaments thread-like; pistils 4--9, styles long, slender, ovaries finely hairy. Fruit: falling separately, red. Chromosomes: 2n=14.
Ecology: Moist semi-shaded to open areas; Elevation: 1250 m. Bioregional Distribution: nw KR (Del Norte Co.); Distribution Outside California: to British Columbia, Idaho. Flowering Time: Jun--Aug
Jepson eFlora Author: Lawrence A. Alice
Unabridged Reference: Alice & Campbell 1999 Amer J Bot 86:81--97
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Listed on CNPS Rare Plant Inventory

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Botanical illustration including Rubus nivalis

botanical illustration including Rubus nivalis

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Citation for this treatment: Lawrence A. Alice 2012, Rubus nivalis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=42077, accessed on August 24, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on August 24, 2019.

No expert verified images found for Rubus nivalis.



Geographic subdivisions for Rubus nivalis:
nw KR (Del Norte Co.)
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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.