Penstemon azureus - Unknown
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Internal ID UUID64404e4372a3d883037896
Scientific name Penstemon azureus
Authority Benth.
First published in Pl. Hartw. : 327 (1849)

Description Top

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The flowers have five lobes and are pollinated by hummingbirds.

Penstemon azureus is a flowering plant species native to the mountains of Oregon and northern California. It grows in coniferous forests and woodlands in the Klamath Mountains, North California Coast Ranges, Southern Cascade Range, and Northern Sierra Nevada. It is a perennial herb, woody toward the base, with many thin branches reaching up to about 70 centimeters in maximum height. The oppositely arranged leaves are linear or lance-shaped, the ones higher on the plant clasping the stem. The inflorescence produces several hairless tubular flowers in shades of blue to lavender measuring up to 3.5 centimeters long, which are pollinated by hummingbirds.

Synonyms Top

Scientific name Authority First published in
Penstemon tenellus Kellogg Proc. Calif. Acad. Sci. 1: 56 (1855)
Penstemon jaffrayanus Hook. Bot. Mag. 84: t. 5045 (1858)
Penstemon glaucifolius A.Gray Pacif. Railr. Rep. Williamson & Abbot, Bot. 6(3; 2): 82 (1858)

Common names Top

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Language Common/alternative name
English azure penstemon

Subspecies (abbr. subsp./ssp.) Top

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Name Authority First published in
Penstemon azureus subsp. parvulus (A.Gray) D.D.Keck Univ. Calif. Publ. Bot. 16: 406. 1932

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Forms (abbr. f.) Top

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Germination/Propagation Top

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Distribution (via POWO/KEW) Top

Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native
  • Northern America
    • Northwestern U.S.A.
      • Oregon
    • Southwestern U.S.A.
      • California

Links to other databases Top

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Database ID/link to page
World Flora Online wfo-0001136961
USDA Plants PEAZ
Tropicos 29201259
KEW urn:lsid:ipni.org:names:808007-1
The Plant List tro-29201259
Open Tree Of Life 899958
NCBI Taxonomy 160363
Nature Serve 2.140548
IPNI 808007-1
iNaturalist 78392
GBIF 3171315
Freebase /m/09k66kd
EOL 578003
Calflora (Californian flora) 6138
USDA GRIN 457044
Wikipedia Penstemon_azureus

Genomes (via NCBI) Top

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