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Vascular Plants of California
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Linanthus dichotomus subsp. dichotomus
EVENING SNOW


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
Species: Linanthus dichotomusView Description 


Habit: Annual, glabrous. Stem: 5--20 cm, glaucous. Leaf: lobes 3--7, 10--22 mm, linear. Inflorescence: cyme. Flower: calyx 8--14 mm, glabrous adaxially, membrane much wider than lobes; corolla funnel-shaped, tube 7--12.5 mm, purple, throat white or cream, lobes 10--16 mm, white, generally with light purple shading on abaxial margins; stamens attached in lower tube, included. Fruit: < calyx, ellipsoid to cylindric. Seed: 15--28, not gelatinous when wet. Chromosomes: 2n=18.

Linanthus dichotomus Benth. subsp. dichotomus
NATIVE
Flower: generally open evening, closed much of all of day; corolla 15--33 mm, tube 10--12.5 mm. Chromosomes: 2n=18.
Ecology: Common. Drying openings, especially serpentine; Elevation: < 1800 m. Bioregional Distribution: CA (exc MP); Distribution Outside California: Nevada, Arizona. Flowering Time: Apr--Jun
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)

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Botanical illustration including Linanthus dichotomus subsp. dichotomus

botanical illustration including Linanthus dichotomus subsp. dichotomus

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Citation for this treatment: Robert W. Patterson & J. Mark Porter 2021, Linanthus dichotomus subsp. dichotomus, in Jepson Flora Project (eds.) Jepson eFlora, Revision 9, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=51286, accessed on April 25, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 25, 2024.

Linanthus dichotomus subsp. dichotomus
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©2024 Neal Kramer
Linanthus dichotomus subsp. dichotomus
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©2024 Neal Kramer
Linanthus dichotomus subsp. dichotomus
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©2013 Barry Breckling
Linanthus dichotomus subsp. dichotomus
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©2015 Steve Matson
Linanthus dichotomus subsp. dichotomus
click for enlargement
©2015 Steve Matson

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Geographic subdivisions for Linanthus dichotomus subsp. dichotomus:
CA (exc MP)
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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).