(Upload on November 23 2014) [ 日本語 | English ]

Pinguicula vulgaris L.

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Pinguicula L. (ムシトリスミレ)
Mushitorisumire (ムシトリスミレ, 虫取菫), common butterwort
Lifeform: (annual-)perennial forb, often spreading spoon-shaped leaves

Carnivorous plant (食虫植物)
producing winter bud (hibernaculum)

Distribution: circumboreal, including the (sub-)alpine zones of Japan (except Kyushu)
Habitat: moist places → wetlands (湿原)

ssp. vulgaris, AK (Hultén 1968)
lobes of lower lip of corolla oblong, not overlapping; spur small, acute

ssp. macroceras (Pall. ex Link) Calder et P. Taylor, AK (ムシトリスミレ)
lobes of lower lip of corolla obovate-oblong, often overlapping; supr stout, blunt
Syn.: P. vulgaris L. var. macroceras (Pall. ex Link) Herder, Pinguicula macroceras Pall. ex Link

f. albiflora Komiya (シロバナムシトリスミレ)

var. floribunda S. Watan. et A. Takeda (イイタカムシトリスミレ)

Pinguicula vulgaris in Alaska

[1-3] at Mile Post 203 along Dalton Highwway, interior Alaska, on August 4 2014. [2] mucilages on the leaf.