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Apium graveolens
CELERY

Higher Taxonomy
Family: Apiaceae (Umbelliferae)View DescriptionDichotomous Key

Common Name: CARROT FAMILY
Habit: 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.
Genera In Family: 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). Note: Mature fruit generally critical in identification, shape given in outline. Hydrocotyle moved to Araliaceae. Petroselinum crispum (Mill.) A.W. Hill is a waif.
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: ApiumView DescriptionDichotomous Key

Habit: Biennial, perennial herb, taprooted or fibrous-rooted from rhizome. Stem: prostrate to erect, hollow, generally rooting from proximal nodes, glabrous. Leaf: blade oblong to obovate, 1-pinnate, leaflets paired, lanceolate to +- round. Inflorescence: umbels compound, peduncled or not; bracts, bractlets conspicuous to 0; rays, pedicels few, spreading-ascending. Flower: calyx lobes 0 or minute; petals wide, white to +- green-white; ovary tip projection occasionally flat. Fruit: ovate-oblong to round, compressed side-to-side; ribs +- equal, thread-like to obtuse and +- corky; oil tube 1 per rib-interval; fruit axis entire or notched at tip. Seed: face flat. Chromosomes: 2n=22.
Species In Genus: +- 20 species: generally southern hemisphere, also Eurasia. Etymology: (Classical name for celery)

Apium graveolens L.
NATURALIZED
Habit: Plant 5--15 dm. Stem: not rooting at nodes. Leaf: petiole 0.3--2.5 dm; blade 7--18 cm, oblong to obovate, leaflets 2--4.5 cm, ovate to +- round, generally lobed. Inflorescence: rays 7--16, 0.7--2.5 cm, +- equal; calyx lobes minute. Fruit: 1.5--2 mm diam, elliptic to nearly round; fruit axis tip notched.
Ecology: Wet places; Elevation: generally < 1000 m. Bioregional Distribution: CA; Distribution Outside California: temperate zones worldwide; native to Eurasia. Flowering Time: May--Jul Note: Cult and naturalized widely.
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax
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Citation for this treatment: Lincoln Constance & Margriet Wetherwax 2016. Apium graveolens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=13622, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 05, 2016.


Apium graveolens
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© 2016 Neal Kramer
Apium graveolens
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© 2016 Neal Kramer
Apium graveolens
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© 2012 Neal Kramer
Apium graveolens
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© 2016 Neal Kramer
Apium graveolens
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© 2006 Keir Morse
Apium graveolens
click for enlargement
© 2012 Neal Kramer

More photos of Apium graveolens in CalPhotos


Geographic subdivisions for Apium graveolens:
CA;
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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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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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.