Veronica serpyllifolia

Family	Plantaginaceae (also placed in Scrophulariaceae)
Tribe	Veroniceae
Scientific name	Veronica serpyllifolia L.
Synonyms	Veronica crenulata Sessé & Mocino; Veronica funesta J. F. Macbride & Payson; Veronica humifusa Dickson; Veronica ruderalis Vahl; Veronica serpyllifolia L. subsp. humifusa (Dickson) Syme; Veronica serpyllifolia L. subsp. neomexicana Cockerell; Veronica serpyllifolia L. subsp. nummularioides (Lecoq & Lamotte) Dostál; Veronica serpyllifolia L. var. humifusa (Dickson) Vahl; Veronica tenella Allioni
Common name	(Japanese common name) tengu-kuwagata (テングクワガタ, 天狗鍬形 [meaning: tengu veronica (tengu = a long-nosed goblin)])
	(English common name) thyme speedwell, thyme-leaf speedwell
Distribution	(Japan) Hokkaido, Honshu (north of Central region)
	(Other nations) Russia, Korea, China, New Zealand, India, Kazakhstan, Kyrgyzstan, Turkmenistan, Caucasus, Turky, Europe, Algeria, Morocco, Tunisia, Canada, Europe, Mexico, Venezuela, Bolivia, Colombia, Ecuador, Argentina
Habitat	Fields
Chromosomal number	2n=14
Description	Plants creeping 5-20cm. Flowers purple corollas 3-4mm, flowering in March to May. Winter annual plants.
Reference	Veronica serpyllifolia L.
	Veronica serpyllifolia Linnaeus
	Agent for hair growth (European Patent EP1915997/2006)
Note	Many Japanese authors have described that Veronica serpyllifolia L.(subsp. serpyllifolia) has been a naturalized plant (first recorded in 1947) and Japanese native species should be identified a variety of Veronica serpyllifolia L. (Veronica serpyllifolia L. subsp. humifusa (Dickson) Syme) but not as Veronica serpyllifolia L. subsp. serpyllifolia. Japanese common name of Veronica serpyllifolia L. subsp. serpyllifolia as a naturalized plant is ko-tengu-kuwagata [tiny tengu-kuwagata].

May 2008 at Hokkaido University Botanical Garden	May 2008 at Hokkaido University Botanical Garden	May 2008 at Hokkaido University Botanical Garden