Chiba University Matsudo/Kashiwa Campus Plant Database

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Details of genus: Amsonia Walter [543]

genus_ja:

genus_en:

# spp.:

pub_year:

accepted: Accepted

Family: Apocynaceae

family_ja: キョウチクトウ

Infra familial classification:

distribution_en: N.America, Japan

description_en: Genus of about 20 species of clump-forming perennials from light woodland or grassland in moist, stony or heavy soils in S.E. Europe, Turkey, Japan, and N.E. and C. USA. They have alternate, lance-shaped or ovate to elliptic, entire leaves. Long-lasting cymes or panicles of narrowly funnel-shaped blue flowers, with 5 spreading petal lobes, are borne from spring to summer. They are suitable for a mixed or herbaceous border. Contact with the milky sap may irritate skin.

hardiness_en: Fully hardy.

cultivation_en:

propagation_en: Sow seed in containers in a cold frame in autumn or spring. Divide in spring. Root softwood or basal cuttings in early summer.

pests_en: Trouble free.

description_ja:

The essential 1000 genera certification Genus Amsonia (アムソニア)

2019 edition

A Level
Family キョウチクトウ
チョウジソウ属

2003 edition

S Level
Family キョウチクトウ
草本I・一年草/二年草/多年草
チョウジソウ

1986 edition

A Level
Family キョウチクトウ
草本植物
チョウジソウ

comment:

comment_ja: チョウジソウ

type_species:

Phylogenetic definition:

Update Information: Created: 2007-12-06 12:51; Updated: 2022-03-09 15:20

family:

SystemAccepted?Scientific nameJapanese nameInfra-familial classification# species
APG4 Apocynaceae キョウチクトウ科 Show
PB2 Apocynaceae キョウチクトウ科 Show
PB3 Apocynaceae キョウチクトウ科 Show

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