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(First upload on September 6 2009. Last on ovember 15 2021) [ 日本語 | English ]

[Engler's syllabus (エングラー体系)]

Balsaminaceae L. (ツリフネソウ)

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Balsaminaceae, Touch-me-not Annual or perennial Leaf: no stipules Flower: bilateral symmetry, hermaphrodite, 5 base number Ovary: superior, 5 chambers

Genera Impatiens Liv. ex L. (ツリフネソウ) Impatientella H. Perrier (including in Impatiens) Semeiocardium Zoll. (including in Impatiens) Hydrocera Blume ex Wight et Arn.

Impatiens Rev. ex L. (ツリフネソウ) in Japan

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Seed dispersal: self I. balfourii Hook. f. (ハナツリフネソウ), exotic I. glandulifera Royle (オニツリフネソウ), exotic I. hypophylla Makino (ハガクレツリフネ), not in Hokkaido var. microhypophylla (Nakai) Hara (エンシュウツリフネソウ) I. noli-tangere L. (キツリフネ)

I. textori(i) Miq. (ツリフネソウ) Gardening I. balsamina L. (Housenka, ホウセンカ, 鳳仙花, Rose balsam) I. walleriana Hook. f. (アフリカホウセンカ) Canada I. glandulifera Royle, ornamental jewelweed

Akiyama, S. 1998. A taxonomic note on Impatiens hypophylla MAKINO and I. microhypophylla NAKAI (Balsaminaceae). Memoirs of the National Science Museum 30: 43-56

Impatiens balfourii in Hokkaido

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Hanatsurifunesou (ハナツリフネソウ, 花釣船草), Balfour's touch-me-not Genpei-tsurifune (ゲンペイツリフネ, 源平釣船) Lifeform: annual forb ≈ 50 cm tall Origin: native to Himalayas (exotic to Japan) Hokkaido Blue List: B → Japan, firstly reported from Sapporo in 1998 (Akiyama 1999)

Habitat: roadsides (probaly escaped from gardening) HUSTEP: Plants and Plant communities in Japan (flora list) Nature in the eco-campus of HU - introduction to botany (北大エコキャンパスの自然 - 植物学入門) Use: gardening

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[1/2] in a wasteland close to the North 12th Station of subway, Sapporo. [1] on May 30 2106. [2] on June 21 2016. [3] at N24/W2, North Ward, Sapporo, on August 31 2009. When I saw the plant, I thought it was I. textorii. The differences from I. textorii are that the flower composes of one white sepal forming a long, thin spur, and two yellow-dotted lavender petals extending from the mouth. [4/5] alogn the Soseri River at N10/W1, North Ward, Sapporo, on September 2 2014. [6] near the north gate of Fuji Women's University, North Ward, Sapporo, on July 15 2016. [7/8] along a trail near Shojin Falls, Sapporo, on September 18 2021.

Impatiens glandulifera Royle in Canada

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Ornamental jewelweed Lifeform: annual forb Distribution: Himalayas → widespread as an exotic in the Northern Hemisphere

Habitat: bushes Synonyms: Balsamina glandulifera (Royle) Ser. Impatiens roylei Walp.

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[1-3] along a paved road near a harbor in Saint John, New Brunswick, eastern Canada, on September 19 2014. The plants established with P. cuspidatum.

Impatiens walleriana Hook. f. in Hokkaido

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Afurikahousenka (アフリカホウセンカ, 阿弗利加鳳仙花), busy lizzie (British Isles), balsam, sultana or simply impatiens Lifeform: perennial forb (treated as annual for gardening)

Distribution: Kenya - Tanzania - Mozambique Habitat: escaped Leaf: semi-succulent Synonyms: Impatiens sultani Hook. f.

Cultivars: blackberry ice, confection, eclipse, elfin white, extra dwarf, fiesta ole (double-flowered), lipstick, red star, wink and blink, etc.

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[1-3] under a street tree in front of Hokuren Learning Center, East Ward, Sapporo, on October 13 2018. [4/5] in front of a building in N21/W2, North Ward, Sapporo, on November 5 2019.