Asarum sakawanaum

Flower name
Asarum sakawanaum
Scientific name
Asarum sakawanaum
Alias佐川細辛
Place of originShikoku, mainly in Kochi Prefecture, endemic to Japan
Place of floweringLow mountains
Flowering seasonMay, June

What is Asarum sakawanaum

Asarum sakawanaum or Sakawasaishin (scientific name: Asarum sakawanaum) is a variety of Asarum. Its name comes from the fact that Dr. Tomitaro Makino collected it in Sagawa Town, Kochi Prefecture, and published it in a botanical journal, It is endemic to Japan and grows naturally on the forest floor of low mountains in Shikoku, mainly in Kochi Prefecture. The long petiolate leaves are elliptic with a pointed tip and a deep heart shape at the base. The leaf color is dark green with many cloud patterns. The flowers are produced in May to June with three jointed sepals that look like flowers without degenerating. The flower color (calyx tube color) is light yellow at the tip and purple in the center.

Common name: Asarum sakawanaum or Sakawa sakawasaishin, scientific name: Asarum sakawanaum, species origin: endemic to Japan, habitat: Shikoku, mainly in Kochi Prefecture, environment: forest floor in low mountains, leaf stalk: long (6-15 cm) Petiole: long (6-15 cm), leaf shape: elliptic with a pointed tip and a deep heart shape at the base, leaf color: dark green with many cloud patterns, leaf length: 6-12 cm, leaf width: 4-7 cm, Flower: flower: degenerated and absent. What looks like a flower is a jointed calyx with 3 sepals; sepals: long; flowering season: May-June; flower color (calyx tube color): light yellow at the tip and purple in the center; flower shape (calyx tube shape): hemispherical; number of pistils: 6; number of stamens: 12.