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POLEMONIACEAE PHLOX FAMILY

Robert Patterson, family description, key to genera

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.
26 genera, 314 species: Am, n Eur, n Asia; some cultivated (Cantua, Cobaea (cup-and-saucer vine), Collomia, Gilia, Ipomopsis, Linanthus, Phlox). [Porter & Johnson 2000 Aliso 19:55–91] Leptodactylon moved to Linanthus. —Scientific Editors: Robert Patterson, Thomas J. Rosatti.

Key to Polemoniaceae

LEPTOSIPHON

Robert Patterson & Robyn Battaglia

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.
30 species: w North America, Chile. (Greek: narrow tube, for corollas of some species) [Battaglia & Patterson 2001 Madroño 48:62–78] Calyx lobe membrane generally expressed as length relative to calyx or lobe length, or as width relative to calyx lobe.

Key to Leptosiphon

L. parviflorus Benth.
NATIVE
Annual, hairy.
Stem: 4–40 cm.
Leaf: lobes 2–18 mm, narrowly obovate to linear, tip of middle lobe acute.
Inflorescence: head; flowers closing at night.
Flower: calyx 4–10 mm, densely hairy, glandular, membrane obscure; corolla salverform, tube 11–46 mm, thread-like, maroon, pink, or yellow, throat yellow, purple, or orange, lobes 4–8 mm, elliptic to oblanceolate, pink, white, yellow, or purple, often with red marks at lobe bases; stamens exserted; stigmas 1–7 mm.
2n=18. Abundant. Open or wooded areas; < 1200 m. California Floristic Province. [Linanthus parviflorus (Benth.) Greene] Mar–Jun [Online Interchange]

Previous taxon: Leptosiphon pachyphyllus
Next taxon: Leptosiphon pygmaeus

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occursRed area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon;
markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may have georeferencing or identification issues.
map of distribution 1

Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

 

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes Manual flowering time.