Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Habit:  herb

Description:  "Erect perennial, aromatic herb to 1 m tall with moderately pubescent foliage and bearing numerous pellucid-punctate glands on upper stems, leaves, and calyces; petioles 1-2 cm long, pubescent; leaf blades broadly ovate, 4-6 cm long, 3-4 cm wide, slightly attenuate at apex, rounded at base, irregularly serrate, deep green and minutely hirsute on upper surface, silkily pubescent and usually glaucous beneath; peduncles 2-3 cm long, pubescent, axillary to the upper, reduced leaves or leaflike bracts, forming ample panicles, these more or less leafy; flowering calyces purplish, 2-2.5 mm long, velvety-puberulent, the teeth straight, 0.3-0.8 mm long; calyx tube to 3.5 mm long at maturity, orifice then bearded with fine, white hairs; corolla tube about 4 mm long, about twice as long as lobes; nutlets 1.5 mm long, dark brown"  (Wiggins & Porter, 1971; p. 404).

Habitat/ecology:  "In forests of moderate density and along margins of trails and fields" (Wiggins & Porter, 1971; p. 404).

Propagation:  Seed

Native range:  Colombia, Ecuador, Peru and Venezuela (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	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santa Cruz Group	Santa Cruz Island	introduced invasive	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
Colombia Colombia	Colombia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
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:
Additional online information about Hyptis sidifolia is available from the Hawaiian Ecosystems at Risk project (HEAR).

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

Taxonomic information about Hyptis sidifolia 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.

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

Wiggins, I. L./Porter, D. M. 1971. Flora of the Galapágos Islands. Stanford University Press. 998 pp.