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Shiro TSUYUZAKI
Plant community ecology / Environmental conservation

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

(First update on September 8 2011. Last on December 11 2011)

Japanese hornwort for subspecies (Canadian honewort for the type)
Cryptotaenia canadensis (L.) DC. subsp. japonica (Hassk.) Hand.-Mazz. [Apiaceae (Umbelliferae)]

Mitsuba (ミツバ, 三葉)

Lifeform: perennial forb < 80 cm high
Distribution: China - Korea - Japan (on the subspecies)
Habitat: shady and wet sites
Edible plant, popular in Japan

Synonyms

C. canadensis auct. non (L.) DC.
C. canadensis (L.) DC. var. japonica (Hassk.) Makino
C. japonica Hassk.


Cryptotaenia DC in Japan

This genus has one species in Japan.

C. canadensis (L.) DC. subsp. japonica (Hassk.) Hand.-Mazz. (ミツバ)

f. dissecta (Y.Yabe) Makino (ウシミツバ)
f. warabiana (Makino) Yonek. (ハニヤミツバ)
f. atropurpurea (Makino) Yonek. (ムラサキミツバ)


Cryptotaenia canadensis in Hokkaido

ST1 ST2
ST3 ST4
[1] a plant community dominated by honewort. [2] a leaf. [3] inflorescences. [1-3] at Yachidam Park, West Ward, Sapporo, on June 18 2011. [4] inflorescences at a fruiting stage in front of Toya Lake Experimental Station, HU, on August 23 2011.

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References

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