Clematis Atragene Group

Origin: Selections and/or hybrids from plants belonging to the botanical Section Atragene, from cultivated species like Clematis alpina, Clematis koreana and Clematis macropetala.
Habit: Deciduous climbing or scrambling.
Leaf: Ternate, herbaceous, petioled. Leaflets simple or ternate, usually serrate.
Inflorescence: A solitary flower or a few flowered dichasial cyme. On young shoots with one terminal flower first.
Bracts: No bracts.
Flower: Bisexual, campanulate to bowl shaped, nodding or more or less so, 4-12 cm across, bud nodding.
Tepals: 4, white, yellow, pink, red-purple, blue, violet-blue or purple-violet.
Stamens: Outer stamens changed into staminodes or tepal-like staminodes, filaments hairy.
Flowering time: Spring and sometimes a few flowers in summer, depending on the cultivar the plant might continue to flower in summer.
Seed tail: Plumose, seedhead persistant.
Zone: 4-9 (EU & USDA zones).
Light pruning.
Planting depth: Same level as in the pot, do not plant deeply.
Roots: Fibrous.
Leaves in seedlings: Alternate.



ref: Wim Snoeijer (2008) Clematis Cultivar Group Classification with Identifying Key and Diagrams.

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