Piriqueta racemosa (Jacq.) Sweet, Passifloraceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Piriqueta ovata (Bello) Urb.; Turnera ovata Bello; Turnera racemosa Jacq.

Common name(s): [more details]

English: ridgid stripeseed

Habit:  herb

Description:  "Annual, the stem 18-60 cm tall, pubescent with long rather stiff, yellowish-brown hairs. Leaves ovate, rarely oblong-ovate, 2-4.7 cm long, 1.2-5 cm broad, obtuse or acutish at the apex, rounded or obtuse at the base, usually velvety stellate-pubescent, short-petioled, crenulate; flowers solitary; peduncle slender, 1.5-3.5 cm long, the fruiting pedicel 2-4 mm long; calyx 6-7 mm long, the lobes lanceolate, obtuse; petals cuneate, about 9 or 10 mm long, yellow; corona 0.5-0.8 mm long, fimbriate-lacerate; filaments glabrous; capsule 7-9 mm long; seed curved, tuberculate-ridged, 2 mm long" (Britton and Wilson, 1924; p. 598).

Habitat/ecology:  "Waste places, road-sides, dry fields, 1-250 m" (Van Steenis, 1948; pp. 4:235-236).

Propagation:  Seed

Native range:  Brazil (Van Steenis, 1948; pp. 4:235-236). West Indies, South America (GRIN).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Palau Palau (main island group)	Babeldaob Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 174)
Palau Palau (main island group)	Babeldaob Island	introduced	Fosberg, F. R./Sachet, M.-H. (1975) (p. 83) Voucher cited: Salsedo 95 (US)
Palau Palau (main island group)	Babeldaob Island	introduced invasive	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 64) Voucher: Lorence 9899 (PTBG, BNM, BISH, NY, US)
Palau Palau (main island group)	Babeldaob Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2008) (voucher ID: PTBG 192) Taxon name on voucher: Piriqueta racemosa (Jacq.) Sweet
Palau Palau (main island group)	Koror Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 174)
Palau Palau (main island group)	Koror Island		Beleu National Museum (Republic of Palau. Koror.) (1968) (voucher ID: BNM 1424) Taxon name on voucher: Piriqueta racemosa (Jacq.) Sweet

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Colombia Colombia	Colombia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Indonesia Indonesia	Indonesia (Republic of)	introduced invasive	van Steenis, C. G. G. J. et al (1948) (pp. 4:235-236) "Long ago introduced into the Bogor Botanical Gardens, since long naturalized in the region between Djakarta and Bogor".

Additional information:
Additional online information about Piriqueta racemosa is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Piriqueta racemosa as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Piriqueta racemosa may be available from the Germplasm Resources Information Network (GRIN).

References:

Beleu National Museum (Republic of Palau. Koror.). 1968. Voucher specimen #BNM1424(Blackburn, B.S. 211).

Britton, N. L./Wilson, P. 1924. Scientific survey of Porto Rico and the Virgin Islands. N.Y. Academy of Sciences. 5(4).

Fosberg, F. R./Sachet, M.-H. 1975. Noteworthy Micronesian plants 2. Micronesica 11(1):81-84.

Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce. 1979. A geographical checklist of the Micronesian dicotyledonae. Micronesica 15:1-295.

National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.). 2008. Voucher specimen #PTBG192(David H. Lorence 9899).

Space, James C./Lorence, David H./LaRosa, Anne Marie. 2009. Report to the Republic of Palau: 2008 update on Invasive Plant Species. USDA Forest Service, Hilo, Hawai‘i. 227 pp.

Swarbrick, John T. 1997. Weeds of the Pacific Islands. Technical paper no. 209. South Pacific Commission, Noumea, New Caledonia. 124 pp.

U. S. Government. 2011. Integrated Taxonomic Information System (ITIS) (on-line resource).

U.S. Dept. Agr., Agr. Res. Serv. 2011. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

van Steenis, C. G. G. J. et al. 1948. Flora Malesiana, Series I. Noordhoff-Kolff, Djakarta. 1948-1954, 14 volumes.