Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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Lauramay T. Dempster (except as specified)

Annual, perennial herb, sometimes strongly scented; odor generally disagreeable
Leaves simple, pinnately lobed, or compound; petioles sometimes sheathing; basal ± whorled; cauline opposite, petioled to sessile
Inflorescence: cyme, panicle, or head-like, generally ± dense
Flowers generally bisexual; calyx fused to ovary top, limb 0 or highly modified (if present, lobes generally 5–15, coiled inward, becoming plumose, pappus-like, spreading in fruit); corolla radial to 2-lipped, lobes generally 5, throat generally > lobes, > tube, base generally spurred or swollen, tube slender, long or short; stamens generally 1–3, epipetalous; ovary inferior, chamber generally 1 (sometimes 3 but 2 empty or vestigial)
Fruit: achene, smooth, ribbed, or winged
Genera in family: ± 17 genera, 300 species: generally temp, worldwide except Australia. Some species cultivated (Centranthus ), some medicinal (Valeriana )
Reference: [Ferguson 1965 J Arnold Arbor 46:218–225]



Annual, perennial herb (in CA) from rhizome or short underground caudex, glabrous to soft-hairy
Stem generally erect, 1–several
Leaves: basal simple or pinnately lobed, tapered to petiole; cauline subsessile to ± clasping, pinnately lobed, distal lobe generally > others
Inflorescence: cyme, clustered, ± dense to open, terminal or axillary
Flower: calyx lobes 5–15, generally ± coiled inward, becoming plumose, spreading and persistent in fruit; corolla ± funnel-shaped, white or pink, lobes ± equal, throat >> tube, sometimes swollen near base, tube slender, sometimes obscured by swollen throat; stamens 3; ovary ± 1-chambered
Fruit generally compressed, generally 6-veined vertically
Species in genus: ± 200 species: temp worldwide except Australia
Etymology: (Latin: strength, from use in folk medicine, or after Valerian, a Roman emperor)
Reference: [Meyer 1951 Ann Missouri Bot Gard 38:377–503]


V. sitchensis Bong.

Plants generally with bisexual flowers, generally glabrous
Stem 1.1–7 dm; nodes short-hairy
Leaves 3–20 cm, basal or cauline; basal simple, lobed, or compound; cauline deeply lobed to compound, lobes or leaflets generally 3–7, lanceolate to round
Flower: corolla 5–8 mm, white or pinkish, throat ± 2 X lobe length
Fruit 4–6 mm, ovoid to ± oblong in outline
Ecology: Moist places
Elevation: < 2200 m.
Bioregional distribution: North Coast, Klamath Ranges, n Outer North Coast Ranges
Distribution outside California: to Alaska, Montana, Colorado

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bioregional map for VALERIANA%20sitchensis being generated
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Valeriana sitchensis
Retrieve dichotomous key for Valeriana
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
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