Scientific Name:
Astrantia major
Pronunciation:
uh-STRAN-shuh MAY-jur
Common Name:
masterwort, astrantia
Family Name:
Apiaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Clump-forming herbaceous perennial; leaves basal, palmately lobed, orbicular in outine, most blades 10-18cm wide; florets small and in compact umbels surrounded by a rosette of showy bracts on branched, erect, wiry peduncles.
Habit:
Spreading, Upright
Form:
Oval - vertical
Texture:
Medium - coarse
Mature Height:
0.4 - 0.7m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
Europe, Garden origin
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Low
Landscape Uses:
Accent plant, Container planting, Cut flower or foliage, Dried flower or fruit, Perennial border, Summer interest, Waterside planting, Woodland margin
Additional Info:
Google. Cultivars shown or on campus may include A. Ruby Wedding', A. 'Star of Fire', and A. 'Sunningdale Variegated'. Some images are of A. subsp. involucrata.
Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Basal
Texture/Venation:
Soft flexible, Palmate venation
Surfaces:
Glabrous
Colour in Summer:
Green, Green-yellow, images are of A. 'Sunningdale Variegated': lvs green and cream white
Shapes:
Orbicular
Apices:
Rounded
Bases:
Sagittate
Margins:
Ciliate, Dentate, Palmately lobed, Serrulate
Inflorescence Type:
Umbel, Floriferous, Corymb-like
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Inferior
Colour (petals):
Showy, White, Pink, Red
Flower Scent:
None
Flower Time at Peak:
Jun, Jul, Aug
Additional Info:
flowers < 2mm wide
Fruit Type:
Schizocarp
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep
Additional Info:
Not showy, many fruit clustered together subtended by the persistent bracts
Bark or Stem Colour:
Organ Modifications:
Leaf-like bracts
Propagation:
Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Mold, Slugs or snails
Course(s):
- HORT 2355
- Level 4 Apprenticeship
Location(s):
- (AGB) Acer Griseum Bed
- (BUG) BUG garden
- (GAZ) GAZebo
- (GAZN) GAZebo North
- (WLG) WoodLand Garden