hardy yellow hibiscus; Hibiscus hamabo
A coastal shrub with yellow flowers, native to Japan and East Asia. The name is usually written in katakana as ハマボウ.
Hamabō is a coastal plant that blooms yellow flowers in summer.
Hamabō grows in clusters along the coast around here.
ハイビスカス is the general term for hibiscus, often referring to ornamental tropical varieties, while ハマボウ is a specific hardy species native to coastal areas.
Katakana spelling is standard for this plant name; usually written in kana.
Kanji form using 浜 (beach) and 朴 (magnolia-like tree); rarely used in practice.
Kanji form using 黄 (yellow) and 槿 (hibiscus); rarely used in practice.
The name ハマボウ (hamabō) likely derives from 浜 (hama, 'beach') and 朴 (hō, referring to the magnolia-like tree, though the exact origin is uncertain). The kanji forms 浜朴 and 黄槿 are descriptive but rarely used.