Gynandropsis gynandra Cleomaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Cleome gynandra L.; Cleome pentaphylla L.; Gynandropsis pentaphylla (L.) DC.

Common name(s): [more details]

English: African spider-flower, bastard-mustard, cat's-whiskers, spider flower, spider wisp, wild spider flower

French: acaya à fleurs blanches, brède caya, feuilles caya, mozambé, pissat des chien, pissat des chiens

Hawaiian: ‘ili‘ohu, honohina

Spanish: acaya, mouzambi, platanito, volantincillo, volatín, yerba del cuche

Habit:  herb

Description:  "Annual herbs 5-15 dm tall; stems unbranched to sparsely branched, glandular pubescent, the hairs of several lengths, but not spiny.  Leaflets 3-7, oblanceolate to rhombic, 2-7.5 cm long, 1-3.8 cm wide, margins serrulate to denticulate, petioles 3-9 cm long.  Flowers in elongate racemes, each one subtended by 3-foliolate, sessile bracts; sepals 2.5-6 mm long; petals white, spatulate with a long claw, 1-2 cm long, not covering the stamens in bud; stamens 6, inserted on the gynophore 6-22 mm above the petals; filaments 8-22 mm long; gynophore with a visible scar in fruit.  Capsules narrowly cylindrical, 3-11 cm long, 4-5 (-6) mm in diameter.  Seeds numerous, tuberculate"  (Wagner et al., 1999; p. 493).

Habitat/ecology:  "This tropical and subtropical species is often found in cultivated or fallowed fields, along roadsides, in fence rows, and along irrigation canals and ditches.  [It] adapts to moist soils along rivers and irrigation canals and to semi-arid conditions.  It grows from sea level to 2400 m in Africa" (Holm et al., 1997; pp. 216, 218).

In Hawai‘i, "naturalized in low elevation, dry areas, especially along roadsides and in pastures" (Wagner et al., 1999; p. 493).  In Fiji, "a naturalized weed near sea level, in cultivated fields, especially canefields, and along roadsides" (Smith, 1981; p. 702).

Propagation:  Seed

Native range:  Africa and Asia; also cultivated and naturalized (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Fiji Fiji Islands	Viti Levu Island	introduced invasive	Smith, Albert C. (1981) (p. 702) Vouchers cited: Greenwood 196, DA 10310, DA 10317, DA 11155, DA 11396, DA 9629, Greenwood 196A
French Polynesia Marquesas Islands	Nuku Hiva (Nukahiva) Island	introduced invasive	Lorence, David H./Wagner, Warren L. (2013)
French Polynesia Marquesas Islands	Nuku Hiva (Nukahiva) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
French Polynesia Society Islands	Tahiti Island	introduced	Welsh, S. L. (1998) (p. 59)
French Polynesia Society Islands	Tahiti Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 493)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 493)
State of Hawaii Hawaiian Islands	Lāna‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 493)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 493)
State of Hawaii Hawaiian Islands	Moloka‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 493)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 493) Voucher cited: Mann & Brigham 213 (BISH)
Japan (offshore islands) Ogasawara (Bonin) Islands	Bonin (Ogasawara) Islands	introduced	Kato, Hidetoshi (2007)
New Caledonia Îles Chesterfield	Îles Chesterfield	introduced	MacKee, H. S. (1994) (p. 27) Voucher cited: Godard in Veillon 6465 (NOU)
New Caledonia Îles Loyauté (Loyalte Islands)	Île Walpole	introduced	MacKee, H. S. (1994) (p. 27) Voucher cited: Cherrier in MacKee 44043
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced invasive	Tassin, Jacques (2005)
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced	MacKee, H. S. (1994) (p. 27) Vouchers cited: Pancher 648, Melie Kiener 15 s.loc., Le Rat 431, MacKee 39340, Cherrier in MacKee 41005
Palau Palau (Belau ) (main island group)	Koror (Oreor) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 85)
Papua New Guinea Papua New Guinea (eastern New Guinea Island)	Papua New Guinea (eastern New Guinea Island)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines Philippine Islands	Philippine Islands	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines Philippine Islands	Philippine Islands		Merrill, Elmer D. (1923) (p. 209) At low and medium altitudes, as weed in waste places/ often abundant especially near the sea.
United States (other Pacific offshore islands) Wake Islands	Wake Island		Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Vanuatu New Hebrides Islands	Vanuatu (Republic of)		Swarbrick, John T. (1997) (p. 90)

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)	Queensland	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 216)
Cambodia Cambodia	Cambodia (Kingdom of)	native cultivated	U.S. Dept. Agr., Agr. Res. Serv. (2013)
China China	China (People's Republic of)	native	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013) Roadsides, wastelands, fields, often dry areas; near sea level to 300 (-800) m. Anhui, Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Yunnan, Zhejiang.
China China	Hong Kong	introduced cultivated	Wu, Te-lin (2001) (p. 109)
Indonesia Indonesia	Indonesia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Japan Japan	Japan		Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 216)
Malaysia Malaysia	Malaysia (country of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico Mexico	Mexico (United Mexican States)	introduced invasive	U.S. Dept. Agr., Agr. Res. Serv. (2013) Naturalized
Singapore Singapore	Singapore (Republic of)	introduced invasive	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 27) Naturalised
South America (Pacific rim) South America (Pacific rim)	Colombia	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 216)
Taiwan Taiwan Island	Taiwan Island	native	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013) Roadsides, wastelands, fields, often dry areas; near sea level to 300 (-800) m.
Thailand Thailand	Thailand (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam Vietnam	Vietnam (Socialist Republic of)	native cultivated	U.S. Dept. Agr., Agr. Res. Serv. (2013)

Indian Ocean
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia (Indian Ocean offshore islands) Christmas Island Group	Christmas Island	native	Orchard, Anthony E., ed. (1993) (p. 16)
Australia (Indian Ocean offshore islands) Cocos (Keeling) Islands	Cocos (Keeling) Islands	native	Orchard, Anthony E., ed. (1993) (p. 38) North Keeling Island
La Réunion (France) La Réunion Island	La Réunion Island		Hafliger, Toni J./Wolf, Matthias (1988) (p. 116)
Mauritius Mautitius Islands (Mauritius and Rodrigues)	Mauritius Island		Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 220)
Mauritius Mautitius Islands (Mauritius and Rodrigues)	Mauritius Island		Hafliger, Toni J./Wolf, Matthias (1988) (p. 116)
Seychelles Seychelles Islands	Agalega Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Stoddart, D. R. (1983) (p. 116) Voucher cited: Stoddart 7276 (US)
Seychelles Seychelles Islands	Desnoeufs Island		Wilson, J. R. (1983) (p. 208)
Seychelles Seychelles Islands	Frégate Island		Robertson, S. A./Todd, D. M. (1983) (p. 48) Voucher cited: Jeffrey 1173
Seychelles Seychelles Islands	Marie-Louise Island		Wilson, J. R. (1983) (p. 189)
Seychelles Seychelles Islands	Poivre Island		Robertson, S. A./Fosberg, F. R. (1983) (p. 168) Voucher cited: Robertson 2364 (K)

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)	United States (other states)	introduced	U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast) United States (other states)	USA (Florida)	introduced	U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)

Control:  If you know of control methods for Gynandropsis gynandra, please let us know.