Rock Garden Plants
Penstemon confertus Douglas sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon confertus Douglas sect. Penstemon
SynonymsPenstemon depressus Greene
 Penstemon lassenianus Greene
 Penstemon washoensis Greene
Habitatdry, stony grassland
Altitude300-2400m
Descriptionglabrous, leaves mainly on stem, lanceolate, to 10cm long, inflorescence densely verticillate, flowers 8-12mm with narrow tube, undistinctly bilabiate, staminodium barbate
Size5-40cm
Coloryellow
Bloomsummer
Ca
Typesubshrub
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
Territory Northern America
     Subarctic America (Alaska )
     Western Canada (Alberta , British Columbia , Saskatchewan )
     Northwestern U.S.A. (Idaho , Montana , Oregon , Washington)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon confertus Douglas, Edwards‘s Bot. Reg. 15: t. 1260 (1829)

Synonyms:
Penstemon confertus attenuatus M.E.Jones
Penstemon confertus caeruleopurpureus A.Gray
Penstemon confertus rigidus Jeps.
Penstemon confertus violaceus Trautv.
Penstemon depressus Greene
Penstemon lassenianus Greene
Penstemon washoensis Greene

Alaska, w. Canada, nw. USA
70 ASK 71 ABT BRC SAS 73 IDA MNT ORE WAS

300-2400m

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