Rock Garden Plants
Penstemon deustus Douglas ex Lindl. sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon deustus Douglas ex Lindl. sect. Penstemon
Habitatrocky slopes
Altitude400-3000m
Descriptionstems glabrous, leaves rigid, ovate to lanceolate, 1-3cm, the lower petiolate, the upper sessile, calyx glabrous, lobes ovate, corolla 10-12mm long, staminodium glabrous
Size10-50cm
Colorwhitish
Bloomsummer
Ca
Typesubshrub
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Idaho , Montana , Oregon , Washington , Wyoming )
     Southwestern U.S.A. (Nevada)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon deustus Douglas ex Lindl., Edwards‘s Bot. Reg. 16: t. 1318 (1830)

montane-subalpine
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deustus typicus D.D.Keck, Amer. Midl. Naturalisr 23: 600 (1940)

Synonyms:
Penstemon deustis savagei L.F.Hend.

nw. USA, n. Nevada
73 IDA MNT ORE WAS WYO 76 NEV

400-2600m

deustus pedicellatus M.E.Jones. Zoe 4: 281 (1893)

Synonyms:
Penstemon deustus heterander (Torr. & A.Gray) M.Peck
Penstemon heterander Torr. & A.Gray

Oregon, sw. USA
73 ORE 76 CAL NEV UTA

900-3000m

deustus suffrutescens L.F.Hend., Rhodora 33: 206 (1931)

Oregon, California
73 ORE 76 CAL

600-2700m

eustus variabilis (Suksd.) Pennell & D.D.Keck, Amer. Midl. Naturalist 23: 602 (1940)

Basionym:
Penstemon variabilis Suksd., Deutsche Bot. Monatsschr. 18: 153 (1900)

Synonyms:
Penstemon paniculatus Howell

c. & e Oregon, s. Washington
73 ORE WAS

600-2600m

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