Jepson eFlora: Taxon page
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Impatiens glandulifera

Higher Taxonomy
Family: BalsaminaceaeView Description 

Habit: 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[5], 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].
Genera In Family: 2 genera, +- 850 species: tropics, warm temperate; some ornamental.
eFlora Treatment Author: Peter F. Zika
Scientific Editor: Thomas J. Rosatti.
Genus: ImpatiensView DescriptionDichotomous Key

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.
Species In Genus: +- 850 species: tropics, warm temperate, Eurasia, Africa, boreal America. Etymology: (Latin: impatient, from explosive fruit)

Impatiens glandulifera Royle
Habit: Plant 6--25 dm. Leaf: opposite or whorled; stipules gland-like, oblong, lobed or not, 2--4 mm; blade 3--18 cm, generally narrow-lanceolate, ovate, or elliptic, acute to acuminate, serrate. Inflorescence: generally 2--15-flowered, axillary, terminal. Flower: white or purple, generally with dark purple marks; spur +- recurved, 5--6 mm, taper to spur abrupt, lateral sepals 4--7 mm; self-pollinating flowers 0. Fruit: club-shaped. Chromosomes: 2n=18.
Ecology: Disturbed, moist, often shaded sites, streambanks; Elevation: < 100 m. Bioregional Distribution: n NCo; Distribution Outside California: to southern British Columbia, northern Idaho, invasive along coast in Oregon, Washington; native to Eurasia. Flowering Time: Apr--Sep Note: Introduced in California as ornamental.
eFlora Treatment Author: Peter F. Zika
Jepson Online Interchange

Previous taxon: Impatiens capensis
Next taxon: Basellaceae

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botanical illustration including Impatiens glandulifera


Citation for this treatment: Peter F. Zika 2016. Impatiens glandulifera, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on October 23, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on October 23, 2016.

Geographic subdivisions for Impatiens glandulifera:
n NCo;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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.