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Annual to perennial herb [shrub, tree], generally from taproot. Stem: generally ± scapose, generally ribbed, hollow. Leaf: basal and generally cauline, generally alternate; stipules generally 0; petiole base generally sheathing stem; blade generally much dissected, occasionally compound. Inflorescence: umbel or head, simple or compound, generally peduncled; bracts present in involucres or 0; bractlets generally present in "involucels". Flower: many, small, generally bisexual (or some staminate), generally radial (or outer bilateral); calyx 0 or lobes 5, small; petals 5, free, generally ovate or spoon-shaped, generally incurved at tips, generally ± ephemeral; stamens 5; pistil 1, ovary inferior, 2-chambered, generally with a ± conic, persistent projection or platform at tip subtending 2 free styles. Fruit: 2 dry, 1-seeded halves (= mericarps), separating from each other but generally ± persistent to central axis; ribs on halves 5, 2 marginal, 3 to back; oil tubes 1–several per interval between ribs.
300 genera, 3000 species: ± worldwide, especially temperate; many cultivated for food or spice (e.g., Carum, caraway; Daucus; Petroselinum); Bupleurum lancifolium Hornem. is historical garden weed; some toxic (e.g., Conium). Mature fruit generally critical in identification, shape given in outline. Hydrocotyle moved to Araliaceae. Petroselinum crispum (Mill.) A.W. Hill is a waif. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Key to Apiaceae
Perennial herb from clustered, fibrous-tuberous roots or rhizomes, glabrous. Stem: generally decumbent or ascending, proximal nodes generally rooting. Leaf: blade oblong to triangular-ovate, generally 1–3-pinnate, leaflets wide or narrow, generally serrate to pinnately lobed. Inflorescence: umbels compound; bracts generally 0 or inconspicuous; bractlets many; rays, pedicels many, spreading or spreading-ascending. Flower: outer bisexual or staminate, occasionally bilateral; outer calyx lobes acute, generally prominent, persistent and enlarging in fruit or not; petals wide, white, tips narrowed; styles persistent. Fruit: oblong-ovate to round, ± cylindric [± compressed front-to-back]; ribs low, obtuse, corky; oil tubes generally 1 per rib-interval. Seed: face flat.
± 30 species: North America, Eurasia, Africa. (Greek: wine flower) Oenanthe pimpinelloides record based on misidentified specimen.
Plant 5–15 dm. Leaf: petiole 1–3.5 dm; blade 1–3 dm, 6–25 cm wide, generally 2-pinnate, leaflets 1–6 cm, ± ovate, serrate to lobed; cauline leaves like basal. Inflorescence: peduncle 5–13 cm; bractlets many, 4–5 mm, lanceolate, acute; rays 10–20, 1.5–3 cm; pedicels 2–6 mm. Flower: calyx lobes 0.5–1 mm, lanceolate; styles 2–3 mm. Fruit: 2.5–3.5 mm, oblong; ribs ± wide.
2n=44. Streams, marshes, ponds, generally aquatic; < 1800 m. North Coast, Inner North Coast Ranges, Cascade Range Foothills, Sierra Nevada Foothills (uncommon), Central Coast, San Francisco Bay Area, South Coast, San Bernardino Mountains, Peninsular Ranges, Mojave Desert; to western Canada. Jun–Oct [Online Interchange]
Unabridged note: Expanded author citation: Oenanthe sarmentosa C. Presl ex DC.
Previous taxon: Oenanthe
Next taxon: Oreonana
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 27 2015
Citation for this treatment: [Author of taxon treatment] 2013. Oenanthe, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=34904, accessed on Apr 27 2015
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© 2002 Brad Kelley
|Geographic subdivisions indicated for the distribution of Oenanthe sarmentosa|| 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 provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(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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