Jepson eFlora: Taxon page
Vascular Plants of California
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


Ranunculus orthorhynchus var. bloomeri


Higher Taxonomy
Family: RanunculaceaeView DescriptionDichotomous Key
Common Name: BUTTERCUP FAMILY
Habit: Annual, perennial herb, woody vine [shrub], occasionally aquatic. Leaf: generally basal and cauline, alternate or opposite, simple or compound; petioles at base generally flat, occasionally sheathing or stipule-like. Inflorescence: cyme, raceme, panicle, or flowers 1. Flower: generally bisexual, generally radial; sepals 3--6(20), free, early-deciduous or withering in fruit, generally green; petals 0--many, generally free; stamens generally 5--many, staminodes generally 0; pistils 1--many, ovary superior, chamber 1, style 0--1, generally +- persistent as beak, ovules 1--many. Fruit: achene, follicle, berry, +- utricle in Trautvetteria, in aggregate or not, 1--many-seeded.
Genera In Family: +- 60 genera, 1700 species: worldwide, especially northern temperate, tropical mountains; many ornamental (Adonis, Aquilegia, Clematis, Consolida, Delphinium, Helleborus, Nigella). Toxicity: some highly TOXIC (Aconitum, Actaea, Delphinium, Ranunculus). Note: Taxa of Isopyrum in TJM (1993) moved to Enemion; Kumlienia moved to Ranunculus.
eFlora Treatment Author: Margriet Wetherwax & Dieter H. Wilken, family description, key to genera
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: RanunculusView DescriptionDichotomous Key

Common Name: BUTTERCUP
Habit: Annual to perennial herb, occasionally from stolons or caudices, terrestrial or aquatic; roots generally fibrous. Stem: prostrate to erect. Leaf: basal, cauline, or both, alternate, generally reduced upward; petiole base flat, stipule-like or not; basal, proximal cauline petioles generally long; blades simple to dissected or compound, entire to toothed. Inflorescence: cyme, axillary or terminal, 1--few-flowered. Flower: sepals 3--5(6), generally early-deciduous, generally green to yellow or purple; petals 0--17[(150)], shiny, generally yellow, occasionally white or purple, nectaries near base, pocket-like or with flap-like scale; anthers yellow; pistils generally many. Fruit: achene, compressed or not, +- spheric, disk-like (width 3--15 × depth), or lenticular (width 1--2 × depth), beaked.
Species In Genus: +- 300 species: worldwide except lowland tropics; some ornamental. Etymology: (Latin: diminutive of Rana, frog, from wet habitats)
eFlora Treatment Author: Alan T. Whittemore
Species: Ranunculus orthorhynchusView Description 

Habit: Perennial herb 15--50(85) cm, +- erect or decumbent, not rooting at nodes. Leaf: basal, proximal cauline 2.8--12.5 cm, 2.5--14 cm wide, ultimate segments round to linear, entire to dentate or crenate, tip rounded to narrowly acute; distal cauline much-reduced, deeply parted or compound. Flower: receptacle bristly; sepals 5, reflexed 1--2 mm from base, 5--11 mm, 2--4 mm wide, early-deciduous; petals 5--6, 8--18 mm, yellow or red abaxially, yellow adaxially. Fruit: body 2.8--4.5 mm, disk-like, wall thick, smooth, beak 1.8--3.8(4.8) mm, straight, narrowly lanceolate to awl-shaped.

Ranunculus orthorhynchus var. bloomeri (S. Watson) L.D. Benson
NATIVE
Leaf: basal cordate to oblong or round, simple, undivided, or 1-ternate; leaflets 0 or undivided, crenate, rounded to obtuse or occasionally acute. Flower: petals 6--9 mm wide, yellow abaxially, notched. Fruit: beak 1.8--2.2 mm; aggregate 7--9 mm, hemispheric to ovoid.
Ecology: Meadows, marshy areas; Elevation: < 100 m. Bioregional Distribution: NCoRO, NCoRI, SnFrB; Distribution Outside California: Oregon. Flowering Time: Mar--May
Jepson eFlora Author: Alan T. Whittemore
Jepson Online Interchange

Previous taxon: Ranunculus orthorhynchus
Next taxon: Ranunculus orthorhynchus var. orthorhynchus

Name Search

Botanical illustration including Ranunculus orthorhynchus var. bloomeri

botanical illustration including Ranunculus orthorhynchus var. bloomeri

Contact/Feedback

Citation for this treatment: Alan T. Whittemore 2012, Ranunculus orthorhynchus var. bloomeri, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=64956, accessed on May 21, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on May 21, 2019.

Ranunculus orthorhynchus var. bloomeri
click for enlargement
© 2011 Vernon Smith
Ranunculus orthorhynchus var. bloomeri
click for enlargement
© 2011 Vernon Smith
Ranunculus orthorhynchus var. bloomeri
click for enlargement
© 2019 Vernon Smith

More photos of Ranunculus orthorhynchus var. bloomeri in CalPhotos



Geographic subdivisions for Ranunculus orthorhynchus var. bloomeri:
NCoRO, NCoRI, SnFrB
MAP CONTROLS
1. You can change the display of the base map and layers by clicking on the layer control box in the upper right-hand corner.
2. California county polygons can be turned off and on in the layer control box.
3. Filling of Jepson subdivision polygons can be turned off and on in the layer control box.
4. Moving the cursor over any numbered cluster will show the range boundary of the included specimens (with a blue polygon).
5. Marker clustering can be turned off by clicking this link:      Marker Clustering OFF
WARNING: Turning this off might cause maps with large numbers of specimens to load slowly.
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.
MAP LEGEND
View all CCH records
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.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS


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.