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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

POLEMONIUM

Ruth E. Timme & Dieter H. Wilken

Annual, perennial herb. Stem: decumbent to erect, 10–100 cm, glandular-hairy, hairy, or glabrous. Leaf: pinnate-compound, alternate; basal petiole base membranous or not, sheathing or not; cauline sessile above; leaflets entire to divided, glabrous to glandular-hairy. Inflorescence: cyme or head. Flower: calyx bell-shaped, membranous in age but not separated into membrane and lobes, glandular-hairy; corolla rotate to funnel- or bell-shaped, tube << throat, lobes white to blue or purple; stamens attached at 1 level, filaments hairy at base; ovary generally ± 1 mm, ± 1 mm wide. Fruit: ovoid to spheric. Seed: <= 10, generally 1–3 mm, elliptic to ovate, ± gelatinous when wet, brown to black.
± 30 species: America, Eurasia. (Greek: perhaps from Polemon, Athenian philosopher, or polemos, strife or war) Perennial herb generally cross-pollinated, annual self-pollinated.
Unabridged references: [Grant 1989 Bot Gaz 150:158–169]

Key to Polemonium

P. eximium Greene
NATIVE
Perennial herb, cespitose, hairy; rhizomed. Stem: erect, 10–40 cm, glandular-hairy to hairy. Leaf: basal 4–13 cm, 4–9 mm wide, glandular-hairy, cauline reduced; petioles 2–6 cm, bases generally not membranous, sheathing; leaflets 20–35, 3–6 mm, deeply 3–5-lobed. Inflorescence: head, many-flowered; pedicel 1–3 mm. Flower: calyx 6–8 mm, glandular-hairy, ± purple, lobes < tube; corolla funnel-shaped, limb 9–15 mm diam, throat 6–11 mm, lobes ± 5 mm, blue to purple; stamens ± 5 mm, included; pistil 4–7 mm, included. Fruit: ± 5 mm, 3 mm wide. Seed: <= 6, brown.
Rocky outcrops, talus; 3000–4200 m. c&s High Sierra Nevada. Jul–Aug [Online Interchange]

Previous taxon: Polemonium chartaceum
Next taxon: Polemonium micranthum

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Sep 19 2014
Citation for this treatment: [Author of taxon treatment] 2013. Polemonium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=38977, accessed on Sep 19 2014

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click for enlargement Polemonium eximium
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2007 Aaron Schusteff

Geographic subdivisions indicated for the distribution of Polemonium eximium 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.