Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Hylocereus costaricensis
(F. A. C. Weber) Britton & Rose, Cactaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: Costa Rica nightblooming cactus

Habit:  cactus

Description:  "Vigorous vines, perhaps the stoutest of the genus, sometimes 10 cm broad, normally 3-angled, at first green or purplish, but soon becoming white and afterwards green or gray; ribs or wings comparatively thin although in age becoming more turgid; margin rather variable, either straight or somewhat undulate, obtuse, never horny; spines 2 to 4, short, rather stout, brownish, usually accompanied by two white hairs or bristles which finally drop off; young flower-buds globular, purple; flowers 3 dm long or more, strongly fragrant; outer perianth-segments narrow, more or less reddish, especially the tips; inner perianth-segments pure white; stigma-lobes rather short, yellowish, entire; ovary covered with closely set scales, these having deep purple margins; fruit scarlet, oblong, 10 cm long" (Britton & Rose, 1920; p. 186).

"Hylocereus costaricensis differs from H. undatus by its bluish or grayish green colored stems (versus bright green), the stem margins straight or somewhat undulate and never horny (versus crenulate and horny), purple-tinged flower buds (versus green), and outer perianth segments reddish, especially near the tips (versus yellowish green)" (Lorence et al., 1995; p. 28).

Habitat/ecology:  In Nicaragua, "common in dry forests, 0-1400 m" (Stevens et al., 2001; p. 512). In Hawai‘i, "naturalized in dry Leucaena secondary thickets...and on the slopes of the lower Lawai Valley" on Kaua‘i. (Lorence et al, 1995; p. 28).

Propagation:  Seed

Native range:  Costa Rica (Britton & Rose, 1920; p. 186). Costa Rica and Nicaragua (Stevens et al., 2001; p. 512). Costa Rica, Nicaragua, Panama (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
Kaua‘i Island introduced
invasive
Lorence, David H./Flynn, Timothy W./Wagner, Warren L. (1995) (p. 28)
Voucher cited: T. Flynn & L. Hume 3571 (BISH, PTBG)
Naturalized
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Costa Rica
Costa Rica
Costa Rica (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Nicaragua
Nicaragua
Nicaragua (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Panama
Panama
Panama (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 12 MAY 2005 and was last updated on 8 MAY 2013.