Liriodendron tulipifera L., Magnoliaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, Score: 2 (Go to the risk assessment)

Common name(s): [more details]

English: canary whitewood, tulip tree, tulip-poplar, yellow-poplar

French: bois jaune

Habit:  tree

Description:  "Trees, single-trunked, to 45 m. Bark light gray, thick, deeply furrowed. Stipules paired, light green, elliptic to oblanceolate, 20-45 mm; petiole 5-11.5 cm. Leaf blade commonly with 2 shallow upper lobes and 2 lateral lobes at broadest part, or sometimes squarrose and barely lobed, (6.5-) 7.5-15 (-23.5) x (8.5-) 12.5-18.5 (-25.5) cm; surfaces abaxially glaucous, adaxially bright green. Flowers campanulate; spathaceous bract 1, brownish, notched; tepals erect, adaxial orange blotch sometimes gummy, outermost tepals green to glaucous; stamens 20-50, 40-50 mm; filaments white; pistils 60-100. Samaracetums 4.5-8.5 cm, with numerous (1-) 2-seeded, imbricate samaras 3-5.5 x 0.5-1 cm, falling separately at maturity; receptacles with basal pistil persistent. Seeds (1-) 2"  (Flora of North America online).

Habitat/ecology:  In North America (native), "rich woodlands, bluffs, low mountains, and hills; 0-1500 m"  (Flora of North America online).

Propagation:  Seed

Native range:  Eastern United States and southeastern Ontario, Canada; cultivated elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced cultivated	Staples, George W./Herbst, Derral R. (2005) (p. 378)
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive cultivated	Parker, James L./Parsons, Bobby (2012) (p. 70) Voucher cited: J. Parker & R. Parsons BIED144 (BISH)
State of Hawaii Hawaiian Islands	Maui Island	introduced cultivated	Staples, George W./Herbst, Derral R. (2005) (p. 378)
State of Hawaii Hawaiian Islands	O‘ahu Island		Bishop Museum (U.S.A. Hawaii. Honolulu.) (1980) (voucher ID: BISH 598719) Taxon name on voucher: Liriodendron tulipifera L.

Also reported from
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Canada Canada	Canada	native	U.S. Dept. Agr., Agr. Res. Serv. (2013) Ontario
United States (continental except west coast) United States (other states)	United States (other states)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
United States (continental except west coast) United States (other states)	USA (Florida)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)

Control:  If you know of control methods for Liriodendron tulipifera, please let us know.