hybrid Lenten rose - KPU Plant DB

Scientific Name:

Helleborus x hybridus

Pronunciation:

hel-eh-BORE-us ex hy-BRID-us

Common Name:

hybrid Lenten rose

Family Name:

Ranunculaceae

Plant Type:

Broadleaf evergreen

Key ID Features:

Most 40-60cm tall; leaves basal, palmately compound, petioles 20-30cm long, leaflets 5-7, obovate,10-20 cm long x 4-7cm wide, leathery, venation heavy, margin serrate (sone irregualrly toothed), base entire; cyme Jan-Apr, florete cup-shaped, 5 petal-like sepals, usually pendulous.

Habit:

Arching

Form:

Mounded

Texture:

Coarse

Mature Height:

0.4 - 0.7m

Mature Spread:

0.3 - 0.6m

Growth Rate:

Slow

Origin:

Europe, Garden origin (varies with cv. and but may involve H. orientalis, H. lividus, H. niger, H. argutifolium, or H. x sternii)

Hardiness Rating:

Zone 4: (-34 to -29 °C)

Exposure:

Part sun/part shade, Filtered shade, Deep shade

Soil/Growing Medium:

Humus rich, Well-drained

Landscape Uses:

Attract beneficial insects, Perennial border, Rock garden, Spring interest, Winter interest, Woodland margin (Caution: poisonous parts)

Additional Info:

Google. Compare to H. orientalis and H. niger.

Leaf Morphology:

Glossary

Form:

Lobed, Compound

Arrangement:

Basal

Texture/Venation:

Leathery, Heavily veined

Surfaces:

Glabrous, Rugose

Shapes:

Obovate

Apices:

Acuminate

Bases:

Attenuate

Margins:

Serrate

Additional Info:

leaflet accasionally lobed (not always fully divided), netted venation

Inflorescence Type:

Cyme, Floriferous

Flower Morphology:

Flowers perfect

Number Of Petals:

0

Corolla Shape:

Campanulate

Ovary Position:

Superior

Colour (petals):

White, Yellow, Green, Purple, Pink, Red (Helleborus x hybridus 'Royal Heritage Strain' produces a wide range of shades from white to pink, red, maroon, near black and even green, distinctive cup shaped bloom with strong overlapping petals. Some blooms are freckled or blotched.)

Flower Time at Peak:

Jan, Feb, Mar, Apr