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Microsteris gracilis

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: MicrosterisView Description 


Species In Genus: 1 sp. Etymology: (Greek: small, to support, presumably referring to small size)
eFlora Treatment Author: Robert Patterson & Carolyn J. Ferguson

Microsteris gracilis (Hook.) Greene
NATIVE
Habit: Annual; generally glandular-hairy above. Stem: erect and simple to decumbent and much-branched, < 20 cm. Leaf: opposite below, often alternate above, 10--30 mm, oblanceolate to lanceolate. Flower: calyx 5--10 mm, membrane narrower than lobes; corolla tube 8--12 mm, +- yellow, lobes 1--2 mm, generally truncate or notched, bright pink (base white or not) to white; stamens, style included. Chromosomes: 2n=14.
Ecology: Dry to moist areas; Elevation: < 3300 m. Bioregional Distribution: CA; Distribution Outside California: to British Columbia, Montana, Colorado, Mexico; also in South America. Flowering Time: Mar--Aug Note: Subspecies, varieties have been recognized; study needed.
Synonyms: Microsteris gracilis subsp. gracilis; Microsteris gracilis var. gracilis; Microsteris gracilis subsp. humilis (Greene) V.E. Grant; Microsteris gracilis subsp. humilior (Greene) H. Mason, ined.; Microsteris gracilis subsp. humilior (Greene) H. Mason, ined.; Microsteris gracilis var. humilior (Hook.) Cronquist; Phlox gracilis (Hook.) Greene
eFlora Treatment Author: Robert Patterson & Carolyn J. Ferguson
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Citation for this treatment: Robert Patterson & Carolyn J. Ferguson 2016. Microsteris gracilis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33480, accessed on August 23, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 23, 2016.


Microsteris gracilis
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© 2004 James M. Andre
Microsteris gracilis
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© 2016 Aaron Schusteff
Microsteris gracilis
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© 2004 James M. Andre
Microsteris gracilis
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© 2009 George W. Hartwell
Microsteris gracilis
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© 2012 Neal Kramer
Microsteris gracilis
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© 2009 Barry Breckling

More photos of Microsteris gracilis in CalPhotos


Geographic subdivisions for Microsteris gracilis:
CA;
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.
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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.