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Vascular Plants of California
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Linanthus dichotomus subsp. meridianus


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. meridianus (Eastw.) H. Mason
NATIVE
Flower: open daytime, closed evening.
Ecology: Drying openings, especially serpentine; Elevation: < 1700 m. Bioregional Distribution: n SnFrB, NCoR. 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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Citation for this treatment: Robert W. Patterson & J. Mark Porter 2021, Linanthus dichotomus subsp. meridianus, in Jepson Flora Project (eds.) Jepson eFlora, Revision 9, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=51287, accessed on November 06, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on November 06, 2024.

Linanthus dichotomus subsp. meridianus
click for image enlargement
©2010 Vernon Smith
Linanthus dichotomus subsp. meridianus
click for image enlargement
©2010 Vernon Smith

More photos of Linanthus dichotomus subsp. meridianus
in CalPhotos



Geographic subdivisions for Linanthus dichotomus subsp. meridianus:
n SnFrB, NCoR.
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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 occurrence).






 

Data provided by the participants of the  Consortium of California Herbaria.

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All markers link to CCH specimen records. The original determination is shown in the popup window.
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 Flowering-Fruiting Monthly Counts

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).