Rock Garden Plants
Penstemon oliganthus Wooton & Standl. sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon oliganthus Wooton & Standl. sect. Penstemon
BibliographyContr. U.S. Natl. Herb. 16: 172 (1913)
Native Rangeec. Arizona to nw. New Mexico
Primary BiomeSubalpine
Habitatgrassland
Altitude2400-3500m
Descriptionstems thin, basally glabrous, apically glandular, basal leaves oblong, 2cm long, stem leaves linear-lanceolate, calyx glandular-hirsute, flowers 20-25mm, in throat barbate
Size5-45cm
Colorbluish white
Bloomsummer
Ca
Typeperennial
Cultivationhumous, moist, but in winter drier, semi-shady site
alpine house, moist, humous soil, shading in summer
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
Territory7 Northern America
     76 Southwestern U.S.A. (ARI Arizona)
     77 South-Central U.S.A. (NWM New Mexico)
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(c) 1990-2025 RNDr. Pavel Slabý