Erythrina speciosa Andrews, Fabaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 11 (Go to the risk assessment)

Other Latin names:  Erythrina reticulata C. Presl

Common name(s): [more details]

Chinese: xiang ya hua

Habit:  shrub/tree

Description:  "Shrubs or small trees to c. 4 m tall. Terminal leaflet broadly ovate to rhombic-trullate, (12-) 15-22 cm long, often slightly broader than long, rounded-truncate at base, densely pubescent when young, glabrescent above, with occasional small thorns on midrib and main veins below; stipules caducous; stipels conoid, c. 1 mm long, glandular. Inflorescence axillary, subterminal, 15-30 cm long, many-flowered, densely pubescent. Calyx campanulate, 1-1.5 cm long, with a short spur below, becoming glabrous. Petals bright crimson; standard narrowly elliptic, 5-7 cm long, not reflexed; wings 0.5-1 cm long; keel linear, 3-4 cm long. Pods 15-30 cm long, not or only slightly constricted between seeds. Seeds ellipsoidal, c. 1 cm long, red"  (Flora of Australia online).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  South-eastern Brazil  (Flora of Australia online).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia (Pacific offshore islands) Norfolk Islands	Norfolk Island	introduced invasive cultivated	Australian Biological Resources Study (2013) Vouchers cited: R.O.Gardner 6151 (AK, K), W.R.Sykes NI 481 (CHR) Locally naturalised as an escape from cultivation.
State of Hawaii Hawaiian Islands	Kaua‘i Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (year unknown) (voucher ID: PTBG 19162) Taxon name on voucher: Erythrina speciosa
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Lau, Alex/Frohlich, Danielle (2013) (p. 8) Voucher cited: M. O'Conner s.n. (BISH 752430)
State of Hawaii Hawaiian Islands	O‘ahu Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (year unknown) (voucher ID: PTBG 7850) Taxon name on voucher: Erythrina speciosa

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia Australia (continental)	Australia (continental)	introduced cultivated	Randall, R. P. (2007) (p. 193)
Singapore Singapore	Singapore (Republic of)	introduced cultivated	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 40)

Control:  If you know of control methods for Erythrina speciosa, please let us know.