Rock Garden Plants
Penstemon oliganthus Wooton & Standl. sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon oliganthus Wooton & Standl. sect. Penstemon
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
Typetuft
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
Territory Northern America
     Southwestern U.S.A. (Arizona )
     South-Central U.S.A. (New Mexico)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon oliganthus Wooton & Standl., Contr. U.S. Natl. Herb. 16: 172 (1913)

ec. Arizona, nw. New Mexico
76 ARI 77 NWM

2400-3500m

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(c) 1990-2021 RNDr. Pavel Slabý