Jepson Herbarium
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Indexes to all 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 |

Perennial, shrub, tree, woody vine; juvenile, flowering 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.
47 genera, 1350 species: especially tropics, subtrop; medicinal (e.g., Panax, ginseng; Aralia, sarsaparilla), ornamental (e.g., Aralia, Fatsia, Hedera, Polyscias). [Plunkett et al. 2004 Plant Syst Evol 245:1–39] —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Araliaceae

Perennial, 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.
± 100 species: worldwide, especially s hemisphere. (Greek: water cup, apparently from leaf shape) Hydrocotyle moschata G. Forst., Hydrocotyle ranunculoides, and Hydrocotyle sibthorpioides Lam. occasionally reported as lawn weeds.

Plant fleshy, floating or creeping.
Leaf: petiole 5–35 cm, stout; blade generally 2–5 cm wide, round- reniform, generally wider than long, deeply 3–7-lobed, entire to minutely crenate.
Inflorescence: peduncles 1–5 cm; umbels dense, 5–10-flowered; pedicels short.
Fruit: 1–3 mm, elliptic to round; ribs obscure.
2n=48. Lake margins, ponds, slow-moving streams; < 1500 m. North Coast, Outer North Coast Ranges, Cascade Range Foothills, c Great Central Valley, Central Western California (except Inner South Coast Ranges), Southwestern California (except Channel Islands, Western Transverse Ranges), w edge Mojave Desert;

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occurs	Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may have georeferencing or identification issues.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.