Erect hostas

(First upload on December 8 2008. Last on September 4 2024) [ 日本語 | English ]

Hosta sieboldii (Paxton) J. W. Ingram var. rectifolia (Nakai) H. Hara, or
Hosta rectifolia Nakai var. sachalinensis (Koidz.) F. Maek.

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

HOME > Plant list (植物リスト) > Liliaceae (ユリ科) > Hosta rectifolia

Gardening plants [ H. sieboldiana トウギボウシ | H. undulata スジギボウシ ]

(Takita 2001)

Hosta Tratt. (ギボウシ)

H. sieboldii (Paxton) J. W. Ingram (コバギボウシ, s.l.)

Lifeform: perennial forb
var. intermedia (Makino) H. Hara (コギボウシ)
var. rectifolia (Nakai) H. Hara
Tachigiboushi (タチギボウシ, 立擬宝珠), erect hostas * (* tentative)
Distribution: Far East - northern Japan
Habitat: wetlands (湿原) such as lakeside, meadow and moor
Chromosome number: 2n = 60
Use: young shoot → edible (sometimes misidentifed to Veratrum album)
Synonyms:

Hosta rectifolia Nakai, including - var. sachalinensis (Koidz.) F. Maek., formerly used well and discarded, and - var. australis F. Maek. ex W. G. Schmid, discarded
f. albiflora (Tatew.) H. Hara (シロバナタチギボウシ)
f. atropurpurea (Nakai) H. Hara (クロバナギボウシ), dark violet flower, small number of flowers, sometimes used

f. leucantha (Koji Ito) H. Hara (シロバナヤチギボウシ)
f. pruinosa (F. Maek.) H. Hara (トノコタチギボウシ)

var. sieboldii

f. alba (Rob.) H. Hara (シロバナコバギボウシ)
f. campanulata (Araki) W. G. Schmid (ツリガネギボウシ)
f. okamii (F. Maek.) H. Hara (ムラサメギボウシ)
f. spathulata (Miq.) W.G.Schmid (コバギボウシ)

f. polycarpellata (F. Maek.) H. Hara (ヤツブサギボウシ)
f. sieboldii (フクリンギボウシ)

Cultivars

H. sieboldii:
Kabitan (カビタンギボウシ), Kifukurin (キフクリンギボウシ), Mediopicta (キスジギボウシ), Subchrocea (シロカビタンギボウシ)

H. sieboldii var. rectifolia:
Chionea (ギンブチタチギボウシ), Opipara (ニシキギボウシ)
H. sieboldii var. sieboldii:
Rohdeifolia (オモトギボウシ)

Hosta sieboldii in Hokkaido

var. rectifolia (タチギボウシ)

1 2 3 4
[1] in Shimo-Sarobetsu mire (a part of Sarobetsu mire) on August 20 1989. [2/3] in a post-mined peatland on July 23 2014. [4] in Shizukari wetland, southern Hokkaido, on June 15 2015.
5 6 7
[5] in Tsukiura Forest Park faced to Toya Lake on September 15 2015. [6] in Shizukari wetland, southern Hokkaido, on July 7 2017. [7] in a northern part of Utasai wetland, southern Hokkaido, on October 12 2023.

var. rectifolia f. albiflora (シロバナタチギボウシ)

1 2 3
[1-3] in a northern part of Utasai wetland, southern Hokkaido, on August 3 2023.

Hosta cultivars used for gardening

H. sieboldiana (Hook.) Engl.

Chromosome number: 2n = 60
var. sieboldiana
Tougiboushi (トウギボウシ, 唐擬宝珠), short cluster plantain lily

Habitat: cultivated
var. gigantga (Bailey) Kitamura
Obagiboushi (オオバギボウシ, 大葉擬宝珠), tall cluster plantain lily
Distribution: Japan

Habitat: meadows
var. hypophylla F. Meak (ハガクレギボウシ)
var. fortunei (Baker ) Aschers. et Graebn. (レンゲギボウシ)

1 2 3
4 5 6
[1-3] at the backyard of the Mimatsu Masao Memorial Hall on the foot of Mount Usu on July 24 2017. [4-6] near Patagonia Outdoor Shop, North Ward, Sapporo, on June 10 2021.