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Vascular Plants of California
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Linanthus filiformis


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 W. Patterson, family description, key to genera, except as noted
Scientific Editor: Robert W. Patterson, Thomas J. Rosatti.
Genus: LinanthusView DescriptionDichotomous Key


Habit: Annual, perennial herb, subshrub. Stem: generally erect, generally branched from base. Leaf: cauline, alternate or opposite, entire or lobes 3--9, pinnate or palmate, linear to narrow-lanceolate or spoon-shaped. Inflorescence: open or dense clusters or cyme or flower 1; bracts leaf-like; flowers sessile or not. Flower: corolla funnel-shaped, salverform, or bell-shaped; stamens attached at 1 level, included or exserted, pollen yellow. Fruit: capsule, valves 3(4). Seed: generally many, when wet gelatinous to not.
Etymology: (Greek: flax flower) Note: Other taxa in TJM (1993) moved to Leptosiphon.
eFlora Treatment Author: Robert W. Patterson & J. Mark Porter
Reference: Porter & Johnson 2000 Aliso 19:55--91; Fraga & Bell 2012 Aliso 30: 97--102; Porter & Patterson 2015 Aliso 32:55--88
Linanthus filiformis (A. Gray) J.M. Porter & L.A. Johnson
NATIVE
Habit: Plant glabrous or sparsely glandular-hairy. Stem: 5--15 cm, branches few to many, thread-like, glaucous. Leaf: basal rosette 0 or ephemeral; cauline spreading, 1--3 cm, thread-like, entire. Inflorescence: flowers generally 2 per stem; pedicel 2--16 mm. Flower: calyx 2--4 mm, tube < 1 mm, lobes acuminate, spreading in fruit; corolla 4--7 mm, yellow, lobes 3--5 mm, oblong; stamens attached near base; stamens, style well exserted, generally exceeded by corolla lobes. Fruit: 2--4 mm. Seed: many, gelatinous when wet. Chromosomes: 2n=18.
Ecology: Open, rocky canyon slopes, washes; Elevation: 300--2800 m. Bioregional Distribution: SNE, D; Distribution Outside California: to Utah, Arizona. Flowering Time: Mar--May
Synonyms: Gilia filiformis A. Gray
Jepson eFlora Author: Robert W. Patterson & J. Mark Porter
Reference: Porter & Johnson 2000 Aliso 19:55--91; Fraga & Bell 2012 Aliso 30: 97--102; Porter & Patterson 2015 Aliso 32:55--88
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

Previous taxon: Linanthus dichotomus subsp. pattersonii
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Citation for this treatment: Robert W. Patterson & J. Mark Porter 2021, Linanthus filiformis, in Jepson Flora Project (eds.) Jepson eFlora, Revision 9, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=80357, accessed on April 18, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 18, 2024.

Linanthus filiformis
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©2005 Aaron Schusteff
Linanthus filiformis
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©2004 James M. Andre
Linanthus filiformis
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©2011 Steve Matson
Linanthus filiformis
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©2004 James M. Andre
Linanthus filiformis
click for enlargement
©2011 Steve Matson

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Geographic subdivisions for Linanthus filiformis:
SNE, D
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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).





 

Data provided by the participants of the  Consortium of California Herbaria.
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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).