Scutellaria longituba

Scutellaria longituba or munin-tatsunamisou (scientific name: Scutellaria longituba) is a perennial herb endemic to the Ogasawara Islands and belongs to the genus Scutellaria. It is native to forests and rocky areas. The stem has four ridges. The leaves have long petioles. In spring, it produces long white or purple flowers in long white or purple flower tubes with a commissural inflorescence. Nectar is collected in the flower tubes.

Scientific name: Scutellaria longituba; Endemic to Ogasawara, Japan; Environment: Forest and rocky soil; Height: 15-25 cm; Inflorescence: Crossed leaves Margin: Wavy serrated, Inflorescence: racemose inflorescence, corolla length: 4-5 cm, flower color: white, purple, flowering season: March-April, number of stamens: 4, number of pistils: 1, fruit stage: May-June, fruit: 4 branched fruit.