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Vascular Plants of California
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Potentilla morefieldii
MOREFIELD'S CINQUEFOIL


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 ornament, 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: PotentillaView DescriptionDichotomous Key


Common Name: CINQUEFOIL
Habit: Annual to perennial herb; odor generally 0. Leaf: generally basal, odd-1-pinnately, 1-palmately, or 1-ternately compound; leaflets 1--8(13) per side, +- toothed, generally +- separated, terminal generally +- = lateral; margins generally flat. Inflorescence: generally cyme, generally +- open; pedicels generally +- straight, bractlets 0. Flower: hypanthium +- shallow, bractlets generally 5, generally < sepals, generally flat; sepals +- triangular; petals (2)4--20 mm, >= sepals, generally +- widely obcordate, generally yellow; stamens 10--25; pistils generally > 10, ovaries superior, styles slender to +- tapering, generally attached near fruit tip. Fruit: achene, generally glabrous.
Species In Genus: +- 400 species: mostly northern temperate, arctic. Etymology: (Latin: diminutive of powerful, for reputed medicinal value) Note: Other taxa in TJM (1993) moved to Comarum, Dasiphora, Drymocallis.
eFlora Treatment Author: Barbara Ertter
Potentilla morefieldii Ertter
NATIVE
Habit: Plant tufted from few-branched caudex; glands 0 or hidden. Stem: prostrate to decumbent, 5--15 cm, +- ascending-hairy. Leaf: pinnate, petiole +- = blade; 2--6 cm, leaflets 2--4 per side, +- overlapped, larger 5--20 mm, +- oblanceolate, irregularly 7--9-toothed +- 3/4 to midvein, often +- asymmetrically split +- to base, densely white-tomentose abaxially, +- green and strigose adaxially. Inflorescence: generally 5--15-flowered; pedicels often +- recurved in fruit. Flower: hypanthium 2.5--5 mm wide; petals 4--6 mm; filaments +- 1--2 mm, anthers 0.5--1 mm; pistils +- 15--20, style +- 1.5--2 mm, +- slender. Fruit: +- 1.8 mm, smooth or +- ridged, pale brown.
Ecology: Rocky alpine barrens; Elevation: 3300--4000 m. Bioregional Distribution: c SNH (Coyote Ridge, Inyo Co.), n W&I (n White Mtns, Mono Co.). Flowering Time: Jun--Aug
Jepson eFlora Author: Barbara Ertter
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Listed on CNPS Rare Plant Inventory

Previous taxon: Potentilla millefolia
Next taxon: Potentilla multijuga

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Botanical illustration including Potentilla morefieldii

botanical illustration including Potentilla morefieldii

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Citation for this treatment: Barbara Ertter 2012, Potentilla morefieldii, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=76875, accessed on August 14, 2022.

Citation for the whole project: Jepson Flora Project (eds.) 2022, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on August 14, 2022.

Potentilla morefieldii
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© 1999 John Game
Potentilla morefieldii
click for enlargement
© 1999 John Game
Potentilla morefieldii
click for enlargement
© 1999 John Game
Potentilla morefieldii
click for enlargement
© 2004 Steve Matson
Potentilla morefieldii
click for enlargement
© 2017 Neal Kramer
Potentilla morefieldii
click for enlargement
© 2004 Steve Matson

More photos of Potentilla morefieldii in CalPhotos



Geographic subdivisions for Potentilla morefieldii:
c SNH (Coyote Ridge, Inyo Co.), n W&I (n White Mtns, Mono 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).





 

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.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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 (fruiting time in some monocot genera).