|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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 |
Annual, [perennial herb, subshrub, few epiphytes], glabrous [(hairy)]; roots fibrous [rhizomatous to tuberous]. Stem: watery to fleshy. Leaf: generally alternate, simple, petioled, toothed or entire, veins pinnate, ± arched. Inflorescence: cyme, umbel-like, terminal or axillary, 1–8-flowered. Flower: bisexual, bilateral, twisting 180°; sepals 3, free, upper becoming lower, generally with nectar spur [or spur 0]; petals 3 [5, free or] ± fused in 2s; stamens 5, filaments stout, forming column around pistil, ± united at tip, shed at base, anthers united into cap over stigma; ovary 1, superior, generally 5-chambered, stigmas 1–5. Fruit: capsule, explosive [or berry-like drupe].
2 genera, ± 850 species: tropics, warm temperate; some ornamental. [Janssens et al. 2006 Syst Bot 31:171–180] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Yuan, Y.M., Y. Song, K. Geuten, E. Rahelivololona, S. Wohlhauser, E. Fischer, E. Smets, & P. Küpfer 2004 Taxon 53:391–403; Geuten, K., Becker, A., Kaufmann, K., Caris, P., Janssens, S., Viaene, T., Theissen, G., & Smets, E. 2006. Petaloidy and petal identity MADS-box genes in the balsaminoid genera Impatiens and Marcgravia. Plant J. 47:501–518; Janssens, S., Geuten, K., Yuan, Y. M., Song, Y., Küpfer, P., & Smets, E. 2006. Phylogenetics of Impatiens and Hydrocera (Balsaminaceae) using chloroplast atpB-rbcL spacer sequences. Syst. Bot. 31:171–180.]
Stem: lower generally with adventitious roots. Leaf: alternate, opposite, or whorled; stipules 0 or gland-like. Flower: variously spotted or lined; sepals 3, lateral 2 greatly reduced, ± green, lower with nectar spur, not green; petals apparently 3, lateral 2 forming a lip, upper 1 a banner over mouth of tube. Fruit: green. Seed: 1–7, green to black, ridged or papillate.Key to Impatiens
± 850 species: tropics, warm temperate, Eurasia, Africa, boreal America. (Latin: impatient, from explosive fruit) [Zika 2006 Novon 16:443–448]
Unabridged references: [Zika 2006 J Torrey Bot Soc 133:593–600; Zika, P. F. 2006. Impatiens ×pacifica (Balsaminaceae), a new hybrid jewelweed from the Pacific Northwest coast of North America. Novon 16: 443–448; Zika, P. F. 2006. The status of Impatiens capensis (Balsaminaceae) on the Pacific Northwest coast. J. Torrey Bot. Soc. 133: 593–600.]
Plant 3–23 dm. Leaf: alternate; stipules 0; blade 3–11 cm, lanceolate, ovate, or elliptic, acute, entire to coarse-crenate. Inflorescence: 2–11-flowered, axillary. Flower: yellow-orange (pink, cream), with dark red marks or not; spur ± recurved, < 10 mm, taper to spur abrupt, lateral sepals 4–7 mm; cleistogamous flowers 2–3 mm, green, on peduncles < 1 cm borne early or late season. Fruit: oblong.
2n=20. Disturbed, moist, often shaded sites, streambanks; < 500 m. San Francisco Bay Area; northwestern Oregon to southwestern British Columbia, where invasive; native to eastern North America. [Impatiens noli-tangere L., misappl.] Probably introduced in California as ornamental; hybrids with Impatiens ecalcarata Blank. named Impatiens ×pacifica Zika. [Online Interchange]
Previous taxon: Impatiens balfourii
Next taxon: Impatiens glandulifera
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Feb 1 2015
Citation for this treatment: [Author of taxon treatment] 2013. Impatiens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28956, accessed on Feb 1 2015
Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.
See CalPhotos for additional images
Jo-Ann Ordano © 2005 California Academy of Sciences
|Geographic subdivisions indicated for the distribution of Impatiens capensis|| 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.
READ ABOUT YELLOW FLAGS
(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).
View elevation by latitude chart
| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month