Kau Silversword 🛑 Endangered

Argyroxiphium kauense

Kau Silversword

The original uploader was KarlM at English Wikipedia.

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Argyroxiphium
Species:
Argyroxiphium kauense

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
8-12 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
aug, sep
Bloom Colors:
Green, Brown
Evergreen Shrub:
Yes

Native Range

United States: Hawaii

Host Plant for Caterpillars

Rhynchephestia rhabdotis

Soil Requirements

Soil Type:
rocky, volcanic, well-drained soil
pH:
5.5 - 6.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to volcanic slopes, prefers high elevation