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Vascular Plants of California
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Leptosiphon chrysanthus subsp. decorus


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: LeptosiphonView DescriptionDichotomous Key

Habit: Annual, perennial herb. Stem: generally erect, generally branched from base. Leaf: cauline, opposite, entire or lobes 3--9, palmate, linear to narrowly lanceolate or spoon-shaped, generally not fused by membrane. Inflorescence: head, open clusters, few-flowered cyme, or flower 1; bracts +- leaf-like, generally palmate-lobed, lobes generally not connected by translucent membrane; flowers sessile or not. Flower: sepals generally equal; corolla funnel-shaped, salverform, or bell-shaped, with hairy ring inside tube or generally not (determined at 10×); stamens attached at 1 level, pollen yellow.
Etymology: (Greek: narrow tube, for corollas of some species) Note: Calyx lobe membrane generally expressed as length relative to calyx or lobe length, or as width relative to calyx lobe.
eFlora Treatment Author: Robert W. Patterson & Robyn Battaglia
Reference: Battaglia & Patterson 2001 Madroño 48:62--78; Porter & Patterson 2015 Aliso 32:55--88; Patterson 2021 Phytoneuron 2021-58:1
Species: Leptosiphon chrysanthusView Description 


Habit: Annual. Stem: thread-like, glabrous or hairy, glandular or not. Leaf: lobes 3--6 mm, linear. Inflorescence: flower 1; peduncle 5--15 mm, thread-like. Flower: calyx 4--6 mm, membrane wider than lobes; corolla funnel-shaped, tube 3--5 mm, with hairy ring inside and out, lobes 5--7 mm, oblanceolate; filaments glabrous, attached above hairy ring, in throat; stigmas 3--4 mm, exserted.
Note: Name changed because Leptosiphon aureus used earlier (and now again) for taxon called Leptosiphon acicularis in TJM2. Following subspecies overlap in geography but do not occur together.
Leptosiphon chrysanthus J.M. Porter & R. Patt. subsp. decorus (A. Gray) J.M. Porter & R. Patt.
NATIVE
Flower: corolla tube, lobes white, throat maroon. Chromosomes: 2n=18.
Ecology: Pinyon-pine/oak/juniper woodland, desert flats; Elevation: < 2000 m. Bioregional Distribution: DMoj; Distribution Outside California: to Nevada, Arizona. Flowering Time: Mar--May
Synonyms: Linanthus aureus (Nutt.) Greene subsp. decorus (A. Gray) H. Mason; Leptosiphon aureus (Nutt.) Benth. ex E. Vilm. subsp. decorus (A. Gray) J.M. Porter & L.A. Johnson
Jepson eFlora Author: Robert W. Patterson & Robyn Battaglia
Reference: Battaglia & Patterson 2001 Madroño 48:62--78; Porter & Patterson 2015 Aliso 32:55--88; Patterson 2021 Phytoneuron 2021-58:1
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

Previous taxon: Leptosiphon chrysanthus subsp. chrysanthus
Next taxon: Leptosiphon ciliatus


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Citation for this treatment: Robert W. Patterson & Robyn Battaglia 2021, Leptosiphon chrysanthus subsp. decorus, in Jepson Flora Project (eds.) Jepson eFlora, Revision 9, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=101707, accessed on October 06, 2024.

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

Leptosiphon chrysanthus subsp. decorus
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©2009 Keir Morse
Leptosiphon chrysanthus subsp. decorus
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©2010 Neal Kramer
Leptosiphon chrysanthus subsp. decorus
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©2005 James M. Andre
Leptosiphon chrysanthus subsp. decorus
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©1992 Gary A. Monroe
Leptosiphon chrysanthus subsp. decorus
click for image enlargement
©2009 Keir Morse

More photos of Leptosiphon chrysanthus subsp. decorus
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Geographic subdivisions for Leptosiphon chrysanthus subsp. decorus:
DMoj
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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.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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).