Cestrum auriculatum L'Hér., Solanaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: orange cestrum

Spanish: dama olorosa, puta, sauco

Habit:  shrub

Description:  "A slender-branched shrub 1-several meters high, glabrous except for the often finely puberulent inflorescence branches and flowers; petioles 1-1.5 cm long, often biauriculate at base, the auricles lunate and as long as or much shorter than the petioles; leaves oblong-ovate or -lanceolate, to 1 dm long or longer, often shorter, more or less acuminate, somewhat narrowed at base; flowers in terminal and axillary corymbose panicles, sessile or scarcely pedicellate, to about 2.5 cm long, yellowish-green with blackish or reddish-brown overtones; calyx glabrous to pubescent, nearly cyathiform, scarcely 2 mm long, the teeth minute; corolla tube filiform, enlarged above, often lightly puberulent, filaments free 1.5-3 mm, glabrous except adnate part, edentate; fruit fleshy, black" (McBride, 1962; pp.93-94).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  Western 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
Ecuador (Galápagos Islands) San Cristóbal Group	San Cristóbal Island	introduced invasive cultivated	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santa Cruz Group	Santa Cruz Island	introduced invasive cultivated	Charles Darwin Foundation (2008)

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Ecuador (Mainland) Ecuador	Ecuador (Republic of) (continental)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Perú Perú	Perú (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)

Additional information:
Photos and additional information at the Environment Bay of Plenty, New Zealand, web site of the Bay of Plenty Regional Council.

Additional online information about Cestrum auriculatum is available from the Hawaiian Ecosystems at Risk project (HEAR).

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

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

References:

Charles Darwin Foundation. 2008. Database inventory of introduced plant species in the rural and urban zones of Galapagos. Charles Darwin Foundation, Galapagos, Ecuador.

Charles Darwin Research Station. 2005. CDRS Herbarium records.

Macbride, J. Francis. 1936. Flora of Peru. Field Museum of Natural History, Botanical Series, Vol. XIII. 1936-1971, 6 parts.

Owen, S. J. 1997. Ecological weeds on conservation land in New Zealand: A database. Working draft. Wellington, New Zealand. Department of Conservation.

Soria, M./Taylor, U./Tye, A./Wilkenson, S. R. 2002. Identificación y manajo de malezas en las isles Galapágos. Fundación Charles Darwin, Parque Nacional Galapágos. 69 pp.

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