Flower Database

Crepidiastrum keiskeanum

Basic information
Flower Name
Crepidiastrum keiskeanum
Formal Name
Crepidiastrum keiskeanum
Alias
畔唐菜, Crepidiastrum
Habitat
Japan
Morph
perennial grass
Comment
Crepidiastrum keiskeanum or common called Azetouna (scientific name: Crepidiastrum keiskeanum) is native to Japan and is a perennial of the Asteraceae family. It grows naturally in the coastal rocky area of ​​the western part of Izu Peninsula to the Pacific coast of Kyushu in Honshu. The plant height is as low as 10 cm, it roots and clings to the rocky ground. The stems are thick spatula and there are dull serrated teeth on the leaf edge. After the side branch which came out from the axil of the main trunk slightly crawls, the scattered inflorescence extends from the tip of the slanting slope. From autumn to winter, a yellow little head flower blossoms densely in the inflorescence. Flowers are composed of about 14 petals, 14 stamens and 1 stamens. There are four shallow jagged edges at the tip of each petal. The genius " Crepidiastrum " means " crepis (genus crepis) + astrum (similar to) ", and species" keiskeanum " a dedication to Dr. Keisuke Ito who was a phylologist. Flower language is "unchanging love".
It is similar to Crepidiastrum platyphyllum(Wadan). The difference between them is that Azettouna has low plant height, while Wadan has high plant height.
As there are more information and phot in Kagiken Web C. keiskeanum , although it is in Japanese, please have a look also.
Generic name: Crepidiastrum keiskeanum, scientific name:Crepidiastrum keiskeanum, aka:Azetouna, origin: Japan, distribution: from the west from the Izu Peninsula in Honshu, the Pacific coast of Kyushu , Environment: coastal rocky place, plant height: 10 cm root foliage: rosette shape, leaf is thick and spatula shape, sawtooth: blunt sawtooth presence, leaves: reciprocal, flower color: yellow, corolla: head flower, flowering period: October to December, flower size: 1 to 1.5 cm.
Detailed information
Order
Asterales
Family
Asteraceae
Genus
Crepidiastrum
Species
C. keiskeanum
Flower type
Actinomorphic Flower
Flower array
Corymb
Petal shape
capitate corolla
Leaf type
Spatulate/Spathulate
Leaf edge
Serrated
Flowering place
Beach
Color
Yellow
Season
Oct Nov Dec
Height
10  ~ 10  [cm]
Diameter
1  ~ 1.5