Jepson eFlora: Taxon page
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Collomia tracyi
TRACY'S COLLOMIA

Higher Taxonomy
Family: PolemoniaceaeView DescriptionDichotomous Key

Common Name: PHLOX FAMILY
Habit: Annual, perennial herb, shrub, vine. Leaf: simple or compound, cauline (or most basal), alternate or opposite; stipules 0. Inflorescence: cymes, heads, clusters, or flower 1; bracts in involucres or not. Flower: sepals generally 5, fused at base, translucent membrane generally connecting lobes, torn by fruit; corolla generally 5-lobed, radial or bilateral, salverform to bell-shaped, throat often well defined; stamens generally 5, epipetalous, attached at >= 1 level, filaments of >= 1 length, pollen white, yellow, blue, or red; ovary superior, chambers generally 3, style 1, stigmas generally 3. Fruit: capsule. Seed: 1--many, when wetted swelling or not, gelatinous or not.
Genera In Family: 26 genera, 314 species: America, northern Europe, northern Asia; some cultivated (Cantua, Cobaea (cup-and-saucer vine), Collomia, Gilia, Ipomopsis, Linanthus, Phlox). Note: Leptodactylon moved to Linanthus.
eFlora Treatment Author: Robert Patterson, family description, key to genera
Scientific Editor: Robert Patterson, Thomas J. Rosatti.
Genus: CollomiaView DescriptionDichotomous Key

Common Name: TRUMPET FLOWER
Stem: hairy or glandular. Leaf: alternate, simple, entire to generally pinnate-lobed, linear to ovate [fan-shaped]; basal short-petioled; cauline sessile. Inflorescence: heads or clusters, terminal, or flowers 1--3 in axils. Flower: calyx lobes connected by narrow membrane forming a pitcher-like projection at sinus, enlarging, not rupturing in fruit; corolla salverform to funnel-shaped. Fruit: ovate to elliptic, explosively dehiscent, valves reflexed on dehiscence. Seed: 1(2--3) per chamber, oblong, generally gelatinous when wet, brown. Chromosomes: 2n=16.
Species In Genus: 15 species: North America, southern South America. Etymology: (Greek: glue, from wet seed surface) Note: Annual species self-pollinated; perennial herb species generally cross-pollinated.
eFlora Treatment Author: Leigh A. Johnson & Dieter H. Wilken

Collomia tracyi H. Mason
NATIVE
Habit: Annual. Stem: 2--8 cm, erect, branches generally several, subequal, spreading to ascending; internodes long-translucent-glandular-hairy. Leaf: lower cauline linear to lanceolate, entire, glandular. Inflorescence: generally axillary clusters; flowers generally 2--3. Flower: calyx 6--8 mm; corolla 12--22 mm, generally white to lavender; filaments attached at > 1 level, some > 1 mm, upper anthers generally in throat, less often exserted; stigmas included, below anthers, or exserted; pollen blue. Seed: 1 per chamber.
Ecology: Rocky, gravelly, or sandy areas; Elevation: 30--2100 m. Bioregional Distribution: KR, n NCoRH. Flowering Time: Jun--Sep Note: Similar to but not intergrading with Collomia tinctoria.
eFlora Treatment Author: Leigh A. Johnson & Dieter H. Wilken
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Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Leigh A. Johnson & Dieter H. Wilken 2016. Collomia tracyi, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=20030, accessed on May 03, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 03, 2016.


Collomia tracyi
click for enlargement
© 2010 Aaron Schusteff
Collomia tracyi
click for enlargement
© 2010 Aaron Schusteff
Collomia tracyi
click for enlargement
© 2011 Steve Matson
Collomia tracyi
click for enlargement
© 2011 Steve Matson
Collomia tracyi
click for enlargement
© 2011 Steve Matson
Collomia tracyi
click for enlargement
© 2011 Steve Matson

More photos of Collomia tracyi in CalPhotos


Geographic subdivisions for Collomia tracyi:
KR, n NCoRH.
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.