Selenicereus macdonaldiae (Hook.) Britt. & Rose, Cactaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Cereus macdonaldiae Hook.

Common name(s): [more details]

English: queen of the night

Habit:  cactus

Description:  "Epiphyte climbing by abundant aerial roots; stems to 12 feet long, 0.6 inches in diameter, usually 5-ridged when young, nearly cylindrical at maturity; areoles brownish, on raised tubercles ca 0.1 inch high, spines few, short, brown.  Flowers 12-14 inches long and up to 10 inches in diameter; pedicels and flower tube covered in long black hairs; other tepals reddish, inner tepals white or cream.  Fruit to 3 inches long"  (Staples & Herbst, 2005; p. 215).

Habitat/ecology:  In Hawai‘i, "naturalized locally...in secondary vegetation...and shrubland" (Lorence et al., 1995; pp. 28-29).

Propagation:  "The seeds...are probably dispersed by birds" (Lorence et al., 1995; pp. 28-29).

Native range:  "Native to Cuba, Hispaniola, and the Caribbean coast of Mexico" (Lorence et al., 1995; pp. 28-29).

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	Kaua‘i Island	introduced invasive	Lorence, David H./Flynn, Timothy W./Wagner, Warren L. (1995) (pp. 28-29) Voucher cited: D. Lorence & T. Flynn 6278 (PTBG)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Central America Central America (Pacific rim)	Honduras (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)

Control:  If you know of control methods for Selenicereus macdonaldiae, please let us know.