Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Justicia spicigera
Schlecht., Acanthaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 8 (Go to the risk assessment).

Common name(s): [more details]

English: firecracker plant, Mexican honeysuckle, Mexican indigo, mohintli

Spanish: mohintli, yaxan

Habit:  shrub

Description:  "Erect or scandent, usually densely branched shrubs, commonly 1-1.5 meters tall, the branches bifariously pubescent or almost glabrous; leaves short-petiolate, the blades ovate ot oblong-lanceolate, mostly 5-18 cm. long, 2-6 cm. wide, acute to long-acuminate, acute to rounded at the base, often abruptly decurrent, often blackening when dried, almost glabrous or more or less pilose, especially on the costae and veins and on or near the margins; inflorescences axillary and terminal, usually shorter than the leaves, basically spicate, but the spikes usually branching 2 or 3 times, glabrous or puberulent, flowers secund; bracts triangular, about 1.5 mm. long; calyx lobes narrowly lanceolate, 2-3 mm. long; corolla 3-3.5 cm. long, appearing fusiform when unopened, commonly orange but sometimes pale red or scarlet, glabrous outside, the lips about 1.5 cm. long, the posterior lip narrow, straight, entire, the anterior lip trilobate, the lobes rounded, 2-3 mm. long; anthers about 2 mm. long, thecae nearly parallel; pollen 2-porate, isopolar, bilateral, with 2 rows of insulae on either side of each aperture; capsule glabrous"  (Standley, Williams & Gibson, 1974; 24(10/4)399-400).

Habitat/ecology:  In Guatemala (native), "damp or dry thickets, forest, hedgerows, near sea level to 1,800 m., and found in cultivation in almost all inhabited parts"  (Standley, Williams & Gibson, 1974; 24(10/4)399-400).

Propagation:  Seed

Native range:  Mexico and Central America (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Guam
Guam Island
Guam Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 257)
State of Hawaii
Hawaiian Islands
Kaua‘i Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1986) (voucher ID: PTBG 1309)
Taxon name on voucher: Justicia spicigera
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
cultivated
Starr, Forest/Starr, Kim (2013) (p. 33)
West Maui. Voucher cited: Starr & Starr 120513-01 (BISH)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 172)
May be sparingly naturalized.
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
cultivated
Staples, George W./Imada, Clyde T./Herbst, Derral R. (2002) (p. 4)
Voucher cited: K. Nagata 2671 (BISH)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
cultivated
Staples, George W./Imada, Clyde T./Herbst, Derral R. (2002) (p. 4)
Voucher cited: G. Ray & E. Gibney 100 (BISH)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994) (p. 9)
Vouchers cited: MacKee 22772, Suprin in MacKee 45650
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)
El Salvador
El Salvador
El Salvador (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Guatemala
Guatemala
Guatemala (Republic of) native
Standley, Paul C./Williams, Louis O./Gibson, Dorothy Nash (1974) (pp. 24(10/4)399-400)
Honduras
Honduras
Honduras (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Nicaragua
Nicaragua
Nicaragua (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
U.S. Dept. Agr., Nat. Res. Cons. 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 3 SEP 2012 and was last updated on 20 SEP 2012.