Pacific Island Ecosystems at Risk (PIER)

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Oldenlandia pumila
(L. f.) DC., Rubiaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Hedyotis pumila L. f.

Habit:  herb

Description: 

Genus: "Shrubs, subshrubs, or herbs, rarely climbing shrubs, the stipules interpetiolar, often adnate to petiole bases and sheathing, entire to dentate to fimbriate or divided; inflorescences axillary or terminal, gomerate, capitate, cymose, or thyrsoid, sometimes with flowers solitary; flowers 4 (or 5)-merous, perfect, often heterostylous; calyx limb persistent, the lobes equal, sometimes alternating with secondary teeth; corolla hypocrateriform, infundibular, campanulate, or nearly rotate, thin to fleshy in texture, often pilose in throat, the lobes valvate in bud; stamens variously inserted in corolla tube, the anthers sessile or on short filaments, included or excerted; ovary inferior to partially superior, 2 (-4)-locular, the ovules few-numerous in each locule, attached to a fleshy, peltate placenta; style cylindric to filiform, bifid at apex, the lobes linear to subglobose, included or exserted; fruit dry (rarely fleshy), capsular, with endocarp weakly to strongly sclerified, dehiscing loculicidally apically or nearly to base, if dehiscing only toward apex then frequently also septicidally dehiscent, or dehiscing septicidally only and the fruit separating into 2 closed cocci, or the fruit sometimes indehiscent; seeds subspherical to peltate to angular or angular-alate, the surfaces smooth to alveolate."  (Smith, 1988)

Species:  "A sprawling herb...with a white corolla"  (Smith, 1988; p. 359).

Habitat/ecology:  In Fiji, "well established in Suva but thus far it has not seemed to spread" (Smith, 1988; p. 359).

Propagation:  Seed

Native range:  "Indigenous in India, southeastern Asia , and perhaps in western Malesia, spread as a weed in other parts of the tropics"  (Smith, 1988; p. 359).

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. (1988) (p. 359)
As Hedyotis pumila. Vouchers cited: DA 3123 (L.2899), DA 7417, DA 10192, DA 4533, DA 17212, DA 11424, DA 2600, DA 9644 (L.4460), DA 16037
Tonga
Tonga Islands
Tonga Islands   Swarbrick, John T. (1997) (p. 9294)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Singapore
Singapore
Singapore (Republic of) uncertain if introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 64)
Weed of uncertain origin
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 introduced
invasive
Swarbrick, J. T. (1997) (p. 121)


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This page was created on 1 JAN 1999 and was last updated on 20 OCT 2006.