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| | Family | SCROPHULARIACEAE |
| Genus species var. | Penstemon ambiguus Torr. sect. Ambigui |
| Synonyms | Leiostemon ambiguus (Torr.) Greene |
| | Penstemon laevissimus (D.D.Keck) N.H.Holmgren (var.) |
| Territory |
NC.USA; NW.USA; SC.USA; SW.USA
american prairie
|
| Description |
stems glabrous, difusely ramose, leaves linear, mucronate, bracts subulate, floral peduncles opposite, 1-3-flowered, calyx glabrous, lobes ovate, shortly acuminate, corolla 20mm |
| Size | 40-60cm |
| Color | pink-white |
| Bloom | summer |
| Ca | |
| Type | lax shrub
| | Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 13-18°C green cuttings in late summer |
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