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‘The Royal Horticultural Society Horticultural Database’, available at www.rhs.org.ukPenstemon 'Maurice Gibbs' 
(H3) 1993
- Status of name
- Accepted name (Plantaginaceae)
- Type of plant
- Herbaceous perennial
- Description
-
Upright, semi-evergreen perennial to 80cm tall, with mid-green, ovate leaves and narrowly bell-shaped flowers 4cm long, bright purplish-red outside, the mouth and throat white
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