Conandron

{{Short description|Species of flowering plant}}

{{speciesbox

| image = Conandron ramondioides (flower s4).jpg

| genus = Conandron

| parent_authority = Siebold & Zuccarini (1843)

| species = ramondioides

| authority = Siebold & Zucc. (1843)

| synonyms =

• Conandron minor {{small|T.Itô (1908)}}
• Conandron ramondioides var. leucanthus {{small|Nakai (1928)}}
• Conandron ramondioides f. leucanthus {{small|(Nakai) Okuyama (1955)}}
• Conandron ramondioides var. pilosus {{small|Makino (1908)}}
• Conandron ramondioides f. pilosus {{small|(Makino) Ohwi (1953)}}
• Conandron ramondioides f. pilosus {{small|(Makino) Ohwi (1953)}}
• Conandron ramondioides var. pilosus {{small|Nakai (1928), nom. illeg.}}
• Conandron ramondioides var. ryukyuensis {{small|Masam. (1970)}}
• Conandron ramondioides var. taiwanensis {{small|Masam. (1939)}}
• Conandron ramondioides f. variegatus {{small|Nakai (1928)}}

|synonyms_ref = [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:379068-1 Conandron ramondioides Siebold & Zucc.] Plants of the World Online. Retrieved 7 August 2024.

}}

Conandron ramondioides is a species of flowering plant in the family Gesneriaceae. It is the sole species in genus Conandron.[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:16966-1 Conandron Siebold & Zucc.] Plants of the World Online. Retrieved 7 August 2024. It is native to eastern Asia, where it is found in southeastern China, Japan, Taiwan, and Vietnam.[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200021689 Conandron ramondioides] Flora of China Its natural habitat is on damp rock faces, in forests and along streamsides.[http://mikawanoyasou.org/data/iwatabako.htm Conandron ramondioides] (in Japanese), Flora of Mikawa It is a common species in Japan.{{cite book |last=Ohwi |first=Jisaburo |date=1965 |title=Flora of Japan |url= |location= |publisher=Smithsonian Institution |page=813|isbn= |author-link= }}

It is a perennial, growing to ~30 cm tall. It has large basal leaves. Flowers are purple and produced in the summer.

Its Japanese name (岩煙草) is "rock tobacco", in reference to the resemblance of its leaves to tobacco, and its preference to grow on exposed rock.[http://had0.big.ous.ac.jp/plantsdic/angiospermae/dicotyledoneae/sympetalae/gesneriaceae/iwatabako/iwatabako.htm Conandron ramondioides] (in Japanese), Okayama University Plant Ecology Laboratory

File:Conandron ramondiodes.jpg|Basal leaves and young flower bud