Chrysanthemum rupestre

Iwa-inchin (Chrysanthemum rupestre) is a species endemic to Japan and a high-altitude perennial belonging to the genus Chrysanthemum in the Asteraceae family.

Iwa-in-chin is characterized by its natural habitat in high mountains, its finely lobed, radiating leaves, and its inflorescences, which consist of clusters of small, yellow, tubular flowers.
A similar flower is Iso-giku. Iso-giku grows naturally along coastlines and has thick, spatula-shaped leaves.

Common Name: Iwa-inchin (Rock Chrysanthemum),
Scientific Name: Chrysanthemum rupestre
Other Names: Inchin-yomogi (Rock Mugwort), Iwa-yomogi (Rock Mugwort)
Taxonomic classification: Kingdom Plantae, Angiosperms, Eudicots, Order Asterales, Family Asteraceae, Genus Chrysanthemum, Species Chrysanthemum rupestre
Distribution: Endemic to Japan; Habitat: Rocky areas in high mountains
Life form: Alpine perennial
Plant height: 10–20 cm; Branching; Stem: Slender and erect
Leaf shape: Deeply pinnately lobed with linear lobes; Leaf color: Green on top, silvery-white underneath; Leaf arrangement: Alternate;
Flowering period: August–September; Inflorescence type: Cymose; Corolla type: Capitulum (tubular flowers only); Flower color: Yellow; Floret diameter: 0.4 cm; Flower arrangement: About 10 to 20 florets clustered in each inflorescence
Fruit type: Capsule,