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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: America, northern Europe, northern 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

LINANTHUS

Robert Patterson & J. Mark Porter

Annual, perennial herb. 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.
24 species: western North America. (Greek: flax flower) [Porter & Johnson 2000 Aliso 19:55–91] Other taxa in TJM (1993) moved to Leptosiphon.

Key to Linanthus

L. jaegeri (Munz) J.M. Porter & L.A. Johnson SAN JACINTO LINANTHUS
NATIVE
Plant cespitose, 2–10 cm; stem, leaves, calyx lobes glandular-hairy. Leaf: opposite; lobes 3, pinnate, 10–15 mm, linear, sharp-tipped. Inflorescence: crowded in upper axils. Flower: calyx lobes generally 6, generally unequal, membrane much wider than lobes; corolla funnel-shaped, white, tube and throat 17–30 mm, lobes 5–6, 7–9 mm, oblanceolate; stamens generally 6, attached at throat. Fruit: < calyx, obovoid, valves generally 4. Seed: 12–30, not gelatinous when wet.
Dry rocky areas; 2900–3000 m. San Jacinto Mountains. [Leptodactylon jaegeri (Munz) Wherry] May–Jul [Online Interchange] {CNPS list}

Previous taxon: Linanthus inyoensis
Next taxon: Linanthus jonesii

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 25 2014
Citation for this treatment: [Author of taxon treatment] 2013. Linanthus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=80355, accessed on Oct 25 2014

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Geographic subdivisions indicated for the distribution of Linanthus jaegeri 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 provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

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