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(First upload on September 27 2014. Last on December 4 2018) [ 日本語 | English ]

Utricularia intermedia Heyne






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

[Engler's syllabus (エングラー体系)]

Lentibulariaceae (タヌキモ)


> 300 species in 3 genera
Pinguicula L. (ムシトリスミレ)
Utricularia L. (タヌキモ)
> 200 species
submerged (wetland) plants
Genlisea A. St.-Hil.
South America - Africa - Madagascar, not in Japan

Utricularia L. (タヌキモ), bladderworts


Carnivorous plant (食虫植物)
U. aurea Lour. (ノタヌキモ)

f. immaculata Tamura (モンナシノタヌキモ)

U. australis R. Br. (イヌタヌキモ)
U. bifida L. (ミミカキグサ)
U. caerulea L. (ホザキノミミカキグサ)

f. leucantha (Komiya) Komiya (シロバナホザキノミミカキグサ)

U. dimorphantha Makino (フサタヌキモ)
U. exoleta R. Br. (ミカワタヌキモ)

f. natans (Komiya) Komiya (ナガレイトタヌキモ)

U. gibba L. (オオバナイトタヌキモ)
U. inflata Walter (エフクレタヌキモ)
U. intermedia Heyne (コタヌキモ)
U. japonica Makino (タヌキモ)
U. macrorhiza Le Conte (オオタヌキモ)
U. minor L. (ヒメタヌキモ)
U. minutissima Vahl (ヒメミミカキグサ)

f. albiflora Komiya (シロバナヒメミミカキグサ)

U. ochroleuca R. Hartm. (ヤチコタヌキモ, when established)
U. reticulata Sm. (アミメミミカキグサ)
U. striatula Sm. (マルバミミカキグサ)
U. uliginosa Vahl (ムラサキミミカキグサ)

f. albida (Makino) Komiya et C. Shibata (シロバナミミカキグサ)

Utricularia intermedia in Japan


Kotanukimo (コタヌキモ, 子狸藻), flatleaf bladderwort
Lifeform: aquatic, perennial forb
Bladder trap: few
Produicng winter buds → vegetative reproduction (栄養繁殖)
Distribution: circumboreal, including Japan (north to Mie Prefecture)
Habitat: shallow, fresh water (grassy marshland) → wetlands (湿原)
Use: ornamental
f. ochroleuca (R. Hartm.) Komiya (ヤチコタヌキモ)
索引

ST1 ST2 ST3
ST4 ST5 ST6
[1-4] along a boardwalk near Akanuma (Red Bog) in Kushiro Mire, eastern Hokkaido. [1-3] on August 30 2014. [4] on June 28 2015. [5] in Shizukari wetland, southern Hokkaido, on June 15 2015. [6] near a peatland mined in 1982 on August 28 2018.

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