Scientific Name:
Liriodendron tulipifera
Pronunciation:
leer-ee-oh-DEN-drun too-lip-IFF-ur-uh
Common Name:
tulip tree, yellow poplar
Family Name:
Magnoliaceae
Plant Type:
Tree - deciduous
Key ID Features:
Leaves alternate, squarish with a pair of lobes on each margin; most blades 8-15cm long x 12-17cm wide; petioles 5-12cm long; stipules paired, light green, elliptic to oblanceolate, 20-45mm long; flowers with pale-green petals, terminal, cup-shaped, solitary, numerous stamens and pistils, late May-mid-June; fruit a cone-like aggregate of spirally arranged yellow-brown samaras, 3-5cm long x 5-9mm wide. Winter ID: buds valvate, clam-shaped, terminal buds like a duck bill.
Habit:
Spreading
Form:
Oval - vertical
Texture:
Coarse
Mature Height:
> 30m
Mature Spread:
15 - 25m
Growth Rate:
Fast
Origin:
U.S. - northeast
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Acidic, Well-drained
Water Use:
Moderate
Landscape Uses:
Specimen plant
Additional Info:
Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Alternate
Texture/Venation:
Pinnate venation
Surfaces:
Glabrous
Colour in Fall:
Yellow
Shapes:
Orbicular, Ovate
Apices:
Truncate
Bases:
Truncate
Margins:
Entire, Pinnately lobed
Additional Info:
Spectacular fall colour
Inflorescence Type:
Flowers solitary
Flower Morphology:
Flowers perfect
Number Of Petals:
6
Corolla Shape:
Campanulate
Ovary Position:
Superior
Colour (petals):
Showy, Yellow, Green (Inside of corolla base orange)
Flower Scent:
Fragrant
Flower Time at Peak:
May, Jun
Additional Info:
Flowers in higher reaches of tree each with many simple pistils
Fruit Type:
Aggregate fruit, Samara
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Showy, Persistent, Aggregated in cone-like structure
Bark Morphology:
Moderately fissured, Single stem trunk
Bark or Stem Colour:
Brown
Leaf Bud Type:
Valvate (Outer scale centered directly over leaf scar)
Leaf Scar Shape:
Round
Organ Modifications:
Stipule, leafy
Propagation:
Seed, Grafting
Pest Susceptibility:
Anthracnose, Fungal leaf spot, Root rot
Course(s):
- AARB 1012
- HORT 1155
- Level 4 Apprenticeship
- CLT Training
Location(s):
- (BHE) Boulevard by Hwy. 10 Eastend : cv. Aureomarginatum
- (CGW) Community Garden West
- (TFL) Turf Field Lab
- (TFLS) Turf Field Lab South