Plectranthus neochilus Schltr., Lamiaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 7 (Go to the risk assessment).

Other Latin names:  Coleus carnosus A. Chev.; Coleus neochilus (Schltr.) Codd; Coleus pentheri Gürke; Coleus schinzii Gürke

Habit:  herb

Description:  "Unpleasantly aromatic, decumbent to erect, perennial herb 12-50 cm high; branches succulent, finely and minutely hairy, or sparsely to densely covered with short and long hairs and scattered orange-red sessile glands. Leaves with lamina succulent, viscid, obovate to elliptic-ovate, 2-5 cm long, 1.5-3.5 cm wide; apex obtuse to rounded; base cuneate to attenuate; margins obscurely crenate with 4-6 pairs of teeth; both surfaces sparsely to densely hairy with shortly appressed hairs, especially on veins below, with orange sessile glands below; petiole 0.5-1.5 cm long. Calyx c. 3 mm long, to 6 mm long in fruit. Corolla 12-20 mm long, mauve-purple, rarely whitish, the upper lip paler and bluish, slightly hairy; tube slightly decurved; lobes with scattered sessile glands"  (PlantNET:  New South Wales Flora Online).

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

Propagation:  Rooting from stems and stem fragments.

Native range:  Southern Africa (PlantNET:  New South Wales Flora Online).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive cultivated	Lau, Alex/Frohlich, Danielle (2012) (p. 18) Voucher cited: OED 2009050602 (BISH)
State of Hawaii Hawaiian Islands	O‘ahu Island		Bishop Museum (U.S.A. Hawaii. Honolulu.) (2001) (voucher ID: BISH 771688) Taxon name on voucher: Plectranthus neochilus Schltr.

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)	New South Wales	introduced cultivated	National Herbarium of New South Wales (2011) "Doubtfully naturalized in the Sydney district".

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

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

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

References:

Bishop Museum (U.S.A. Hawaii. Honolulu.). 2001. Voucher specimen #BISH771688(Imada, C. 2001-24).

Lau, Alex/Frohlich, Danielle. 2012. New plant records from O‘ahu for 2009. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2011. Part II: Plants. Bishop Museum Occasional Papers. 113:7-26.

National Herbarium of New South Wales. 2011. PlantNet: New South Wales Flora online. The Plant Information Network System of the Botanic Gardens Trust Version 2.0. Online resource.