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Vascular Plants of California
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Hydrocotyle verticillata


Higher Taxonomy
Family: AraliaceaeView DescriptionDichotomous Key
Common Name: GINSENG FAMILY
Habit: Perennial herb, shrub, tree, woody vine; juvenile, flower plants generally unlike. Stem: generally branched. Leaf: simple or compound, generally alternate; stipules +- fused to +- sheathing, petiole base or 0. Inflorescence: umbels 1 to panicled; bracts deciduous or not. Flower: generally bisexual, generally radial, generally < 5 mm; sepals generally 5, fused at base, inconspicuous, persistent; petals generally 5, free, +- white to green, deciduous; stamens generally 5, generally alternate petals; ovary inferior, chambers 1--15, 1-ovuled, styles as many as chambers, free or fused, persistent. Fruit: berry or drupe, occasionally flat, dry.
Genera In Family: 47 genera, 1350 species: especially tropics, subtropics medicinal (e.g., Panax, ginseng; Aralia, sarsaparilla), ornamental (e.g., Aralia, Fatsia, Hedera, Polyscias).
eFlora Treatment Author: Robert E. Preston & Elizabeth McClintock, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: HydrocotyleView DescriptionDichotomous Key


Common Name: MARSH PENNYWORT
Habit: Perennial herb, creeping or sprawling, glabrous [hairy]; rhizomes or stem rooting at nodes. Leaf: simple; petiole scarious-stipuled, not sheathing; blade +- round, peltate or not, entire to deeply lobed. Inflorescence: simple umbels, occasionally spikes, open or dense; bracts 0 or inconspicuous; pedicels 0--many, spreading. Flower: calyx lobes 0 or minute; petals obtuse or acute, +- green to +- yellow-white or +- purple, tip not incurved. Fruit: elliptic to round, very compressed side-to-side; ribs +- equal, thread-like, distinct or not; oil tubes 0, fruit wall with individual oil cells; fruit central axis not obvious. Seed: face flat to convex.
Species In Genus: +- 100 species: worldwide, especially southern hemisphere. Etymology: (Greek: water cup, apparently from leaf shape) Note: Hydrocotyle moschata G. Forst., Hydrocotyle ranunculoides, and Hydrocotyle sibthorpioides Lam. occasionally reported as lawn weeds.
eFlora Treatment Author: Robert E. Preston & Lincoln Constance
Hydrocotyle verticillata Thunb.
NATIVE
Habit: Creeping. Leaf: petiole 0.5--25 cm, slender; blade 1--4 cm wide, round, peltate, shallowly, crenately, +- equally 8--13-lobed, or margin crenate. Inflorescence: peduncles 1.5--20 cm; spikes, occasionally forked, to 15-flowered, flowers whorled; pedicels 0 or short. Fruit: 1--3 mm, elliptic; ribs acute, evident.
Ecology: Lake margins, ponds, slow-moving streams, canals, seeps, springs, marshes; Elevation: < 1400 m. Bioregional Distribution: s NCoRO, n&c SN, s SNF, GV, CW (exc SCoRI), SW (exc ChI, SnJt), W&I, D; Distribution Outside California: to eastern North America, South America, Hawaii, southern Africa. Flowering Time: Apr--Sep
Synonyms: Hydrocotyle verticillata var. triradiata (A. Rich.) Fernald
Jepson eFlora Author: Robert E. Preston & Lincoln Constance
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Botanical illustration including Hydrocotyle verticillata

botanical illustration including Hydrocotyle verticillata

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Citation for this treatment: Robert E. Preston & Lincoln Constance 2012, Hydrocotyle verticillata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=28611, accessed on November 12, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on November 12, 2019.

Hydrocotyle verticillata
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© 2018 Neal Kramer
Hydrocotyle verticillata
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© 2014 Keir Morse
Hydrocotyle verticillata
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© 2014 Keir Morse
Hydrocotyle verticillata
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© 2015 Steve Matson
Hydrocotyle verticillata
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© 2014 Neal Kramer
Hydrocotyle verticillata
click for enlargement
© 2014 Keir Morse

More photos of Hydrocotyle verticillata in CalPhotos



Geographic subdivisions for Hydrocotyle verticillata:
s NCoRO, n&c SN, s SNF, GV, CW (exc SCoRI), SW (exc ChI, SnJt), W&I, D
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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.