Pacific Island Ecosystems at Risk (PIER)

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Zingiber spectabile
Griffith, Zingiberaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate; score: 3 (Hawaii-Pacific Weed Risk Assessment for Zingiber spectabile)

Common name(s): [more details]

English: ginger, golden-beehive ginger, nodding gingerwort

Hawaiian: 'awapuhi

Habit:  herb

Description:  Zingiber (genus): "Deciduous herbs; rhiz flesh, aromatic. Lvs 2-ranked, ±sessile; peti swollen, pulvinus-like. Infl cylindrical to ovoid-globose, terminal, on separate leafless stem; bracts numerous, overlapping, each enclosing 1 flw, bractlets open to base. Flw cal tubular; cor funnel-shaped, lateral lobes often joined to labellum; labellum 3-lobed, sterile stam tiny or absent, fertile stam anth crested, enfolding curved upper style. Frt a 30valved capsule, covered by bracts. Seeds with aril." (A Tropical Garden Flora, p. 767) Zingiber spectabile: "Leafy stems 6.5-8" tall. Lvs numerous; peti ≤0.4" long, swollen; blades oblong-lanceolate, 8-20" × 3-4", glabrous or underside sparsely hairy on midvein. Infl cylindrical, usu 6-8(-12)" long, ca 3" ⌀, elongating in frt; bracts ovate, stiff, yellow, reddening in age, apex strongly inrolled. Flw cor pale yellowish, 2.25-2.65" long; labellum 1" long, dark maroon speckled yellow, fused to lateral stam for more than half its length, anth crest dark maroon, curved, ca 0.5" long." (A Tropical Garden Flora, p. 769)

Habitat/ecology:  "Zingiber spectabile is native to Malaysia, where it is a common and conspicuous element in the forest understory. . . . " (A Tropical Garden Flora, p. 769)

Propagation:  In cultivation: "By root division." (Tropical Exotics, p. 200)

Native range:  Thailand, Malaysia (GRIN)

Malaysia (A Tropical Garden Flora, p. 769)

Impacts and invaded habitats:  "Nodding gingerwort [PIER ed.: Zingiber spectabile] is an aggressive plant that can rapidly expand out of the area where it is planted, and vigorous control may be necessary to keep it confined." (A Tropical Garden Flora, p. 769)

"The plant is aggressive in a jungle habitat, and when provided these conditions in a garden, it will fill extensive areas if allowed to grow unchecked. It has not yet [PIER ed.: 1977] escaped from cultivation in Hawai'i, but more than likely our lush valleys will be invaded before long." (Tropical Exotics, p. 200)

"Nodding gingerwort [PIER ed.: Zingiber spectabile] is an aggressive plant that can rapidly expand out of the area where it is planted, and vigorous control may be necessary to keep it confined." (A Tropical Garden Flora, p. 769)

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
Hawaiian Islands introduced
invasive
cultivated
Clay, Horace F./Hubbard, James C (1977) (p. 200)
"The plant is aggressive in a jungle habitat, and when provided these conditions in a garden, it will fill extensive areas if allowed to grow unchecked. It has not yet [PIER ed.: 1977] escaped from cultivation in Hawai'i, but more than likely our lush valleys will be invaded before long."
"The plant is aggressive in a jungle habitat, and when provided these conditions in a garden, it will fill extensive areas if allowed to grow unchecked."
State of Hawaii
Hawaiian Islands
Maui Island   Consortium of Pacific Herbaria (2018)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Malaysia
Malaysia
Malaysia (country of) native
U.S. National Plant Germplasm System (year unknown)
accessed 20180610
Malaysia
Malaysia
Malaysia (country of) native
Clay, Horace F./Hubbard, James C (1977) (p. 200)
Thailand
Thailand
Thailand (Kingdom of) native
U.S. National Plant Germplasm System (year unknown)
accessed 20180610

Comments:  Cultivated in Hawaii (A Tropical Garden Flora, p. 769; Tropical Exotics, p. 200)

Control:  If you know of control methods for Zingiber spectabile, please let us know.


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

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This page was created on 12 SEP 2017 and was last updated on 10 JUN 2018.