Hawai'i scaleseed is a rare, federally endangered annual herb in the carrot family, endemic to the Hawaiian Islands and found in forest, woodland, and shrubland. It is not a commonly grown garden plant, so care notes are mainly for conservation or native-plant settings.
Family
Apiaceae (Carrot family)
Grows as
Annual
Light
Part shade, Full sun
Water
Keep soil lightly moist while seedlings establish, then allow it to dry between waterings.
Soil
Well-drained, sandy or loamy soil
Temperature
18–28 °C; protect below 10 °C
How easy
Hard
Native range
Hawaiian Is.
Climate
wet tropical
About
Spermolepis hawaiiensis is a rare species of flowering plant in the carrot family known by the common name Hawai'i scaleseed. It is endemic to Hawaii, where it is known from the islands of Kauai, Maui, Oahu, Molokai, Lanai, and Hawaii. It is threatened by the degradation of its habitat and it is a federally listed endangered species.
This plant is an annual herb producing a slender erect stem up to 20 centimeters tall and bears small white flowers. It grows in forest, woodland, shrubland, and chaparral habitat.
Text excerpted from the Wikipedia article Spermolepis hawaiiensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.