Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Sesamum indicum
L., Pedaliaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Sesamum orientale L.

Common name(s): [more details]

Chamorro: ahonholi

English: beni, beniseed, benneseed, sesame

French: sésame

Spanish: ajonjolí, sésamo

Yapese: mather, mazer, wel

Habit:  herb

Description:  "Pubescent annual herb (hairs of 2 types; long articulate, and short 4-lobed mucilaginous); stem to 1-2 m high; leaves 3-foliolate or pinnatisect, upper ones simple, ovate-oblong to lanceolate, 4-20 cm long, to 15 cm wide, on petioles 2-15 cm long; flowers single (sometimes paired) in axils, very shortly pedicellate; calyx pubescent, green, about 6 mm long, lobes sharply acute; corolla pinkish-purple (rarely white), about 3.6 cm long; stamens included; capsule erect, oblong, rounded, 4-grooved, pubescent, about 2.5 cm long, 2-valuved; seeds black, brown or white, 2.5-3 mm long, smooth or minutely reticulate" (Stone, 1970; p. 527).

Habitat/ecology:  In Fiji, "cultivated and occasionally naturalized, becoming a weed in canefields, and in moist, cultivated areas near sea level" (Smith, 1991; p. 139).

Propagation:  Seed

Native range:  "The species is apparently indigenous in Africa and is of ancient cultivation; it was taken at an early date to India, China and Persia, where secondary centers of diversity and many cultivars have developed" (Smith, 1991; p. 139).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Federated States of Micronesia
Yap Islands
Yap (Waqab) Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 253)
Fiji
Fiji Islands
Vanua Levu Island introduced
invasive
cultivated
Smith, Albert C. (1991) (p. 139)
Voucher cited: Bierhorst F209
Fiji
Fiji Islands
Viti Levu Island introduced
invasive
cultivated
Smith, Albert C. (1991) (p. 139)
Vouchers cited: Greenwood 262, DA 10697, DA 11737
Guam
Guam Island
Guam Island introduced
cultivated
Stone, Benjamin C. (1970) (p. 527)
Guam
Guam Island
Guam Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 253)
Philippines
Philippine Islands
Philippine Islands introduced
invasive
cultivated
Merrill, Elmer D. (1923) (p. 448)
Cultivated here and there, often occurring in open waste places as an escape.
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
China
China
Hong Kong introduced
cultivated
Wu, Te-lin (2001) (p. 256)
Singapore
Singapore
Singapore (Republic of) introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 79)
Naturalised
Taiwan
Taiwan Island
Taiwan Island   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 331)


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 APR 2005 and was last updated on 25 OCT 2006.