Rock Garden Plants
Penstemon cyananthus Hook. sect. Glabri 
Home
Families
Genus
Territory
Habitat
Synonyms
Types
Galery
Info
FamilyPLANTAGINACEAE
Genus speciesPenstemon cyananthus Hook. sect. Glabri
Habitatrocky slopes
Altitude1300-3300m
Descriptionglabrous, basal leaves ovate-lanceolate, stem leaves shorter and wider, ovate, sessile, inflorescence elongate, with long internodes, flowers 17-25mm, staminodium orange
Size5-60cm
Colordark bluish violet
Bloomsummer
Ca
Typetuft
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
division in spring; cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Idaho , Wyoming )
     Southwestern U.S.A. (Utah)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon cyananthus Hook., Bot. Mag. 75: t. 4464 (1849)

Synonyms:
Penstemon glaber cyananthus (Hook.) A.Gray

1300-2700m
=============================================================================
cyananthus typicus ined.

Idaho, Wyoming, Utah
73 IDA WYO 76 UTA

1300-3200m

cyananthus judyae N.D.Atwood, Utah Fl., ed 3: 622 (2003)

Utah
76 UTA

2900-3300m

cyananthus subglaber (A.Gray) N.H.Holmgren, Brittonia 31: 105 (1979)

Basionym:
Penstemon fremontii subglaber A.Gray, Syn. Fl. N. Amer. 2: 262 (1878)

Synonyms:
Penstemon holmgrenii S.L.Clark

nw. USA, Utah
73 IDA MNT WYO 76 UTA

1400-2900m

Version 9.0
(c) 1990-2021 RNDr. Pavel Slabý