Dubautia ciliolata

Common Names

Lava Dubautia, Na‘ena‘e, Kūpaoa

Summary

Lava dubautia is an endemic Hawaii Island shrub, erect and densely branched, reaching up to 1.8 m tall with rigid stems that can be hispid to canescent, glutinous or sooty. Leaves are thick, stiff, lanceolate to narrowly elliptic (0.4–3 cm long, 0.1–0.65 cm wide) and arranged near the inflorescence in alternate, opposite, or ternate patterns. Inflorescences are cymosely arranged in elongate panicles (1.5–12 cm long, 1.5–6 cm wide) bearing heads with 4–18 yellow florets 4–6 mm long; fruit is a dry achene (3.5–4.5 mm) with a pappus of 14–21 narrowly linear bristles 4.5–6.5 mm. Habitat open, dry shrubland to Metrosideros and subalpine forests, typically on lava, at 900–3,200 m.

Cultivation and use considerations: It grows in open, dry lava habitats at elevations of 900–3,200 m as a shrub up to 1.8 m with rigid stems.

Height

6 feet

Sunlight Requirements

Ideally full sun.

Soil Type

Lava soil (volcanic substrate)

Bloom Color

Yellow