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Tilia americana var. heterophylla
Tilia americana L. var. heterophylla (Vent.) Loudon
American basswood, White basswood, Linden
Synonym(s): Tilia eburnea, Tilia heterophylla, Tilia heterophylla var. michauxii, Tilia lasioclada, Tilia michauxii, Tilia monticola
USDA Symbol: tiamh
USDA Native Status: L48 (N), CAN (I)
A stately, wide-spreading tree 60-80 ft. tall, occasionally much taller. Conical form in youth, the crown becoming rounded with age. Broadly oval leaves, with densely white undersides, sometimes change to yellow in fall but often turn brown and somewhat unsightly. Tends to sprout at the base, producing a clump of tall trees around what was the original tree. Inconspicuous but fragrant flowers.
Plant CharacteristicsDuration: Perennial Habit: Tree Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul
, WV Native Distribution:
n. to PA, WV,
& MO Native Habitat:
Rich, rocky woods & bluffs
Growing ConditionsWater Use: High
Light Requirement: Part Shade
CaCO3 Tolerance: Low
Soil Description: Rich, rocky soils.
Conditions Comments: Not Available
PropagationDescription: Untreated seeds germinate in 2-3 years. Seeds germinate most easily if fruits are collected as they first trun slightly brown and are planted immediately. Mechanical or chemical pretreatment of the hard pericarp and seed coat hastens germination.
Seed Collection: Seeds germinate most easily if fruits are collected as they first turn slightly brown. For storage, dry seeds and store at room temperature up to two years.
Seed Treatment: Scarify mechanically or soak in concentrated sulfuric acid and moist chill for 3 months.
Commercially Avail: yes
Record Last Modified: 2013-06-27
Research By: TWC Staff