- Flower nameShirobana iwatobacco
- Scientific nameConandron ramondioides f. leucanthus
- Alias白花岩煙草, Conandron ramondioides, イワヂシャ, 白花岩煙草
- Place of originJapan and Taiwan
- Place of floweringHigh mountain, Potted flower
- Flowering seasonJune, July, August
What is Shirobana iwatobacco
Shirobana iwatobacco (scientific name: Conandron ramondioides f. leucanthus) is a white flowering variety of the Iwatobacco (scientific name: Conandron ramondioides) which is a deciduous perennial in the family Gesneriaceae native to Japan and Taiwan. It is an early flowering species compared to the C. ramondioides. Shirobana iwatobacco(C. ramondioides f. leucanthus) grows naturally on damp rocky surfaces south of Honshu, Japan. It produces 3 to 10 star-shaped white flowers in summer with a spreading inflorescence. The flowers are cylindrical with five lobes at the tip. The stems, undersides of the leaves and flowers are hairy. It hibernates with its leaves rolled up in winter. The name "rock tobacco" comes from the fact that its leaves look like tobacco leaves.
Common Name: Shirobana iwatobacco, Scientific Name: Conandron ramondioides f. leucanthus, Plant height: 5-10 cm, Origin: Japan to Taiwan, Living type: Perennial, Flowering season: June to August, Leaf margin: serrated, corolla: cylindrical with 5 lobes at the tip, diameter: 1 to 2 cm.