Delissea undulata

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Delissea undulata
Status TNC G1.svg
Critically Imperiled  (NatureServe) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Campanulaceae
Genus: Delissea
Species:
D. undulata
Binomial name
Delissea undulata

Delissea undulata is an extremely rare species of "palmoid" or "Corner model tree" (a pachycaulous unbranched tree superficially resembling a palm or cycad) formerly occurring on the Big Island of Hawai'i. It is cited as Extinct by the IUCN Red List and Plants of the World Online, [2] [3] but is also reported in cultivation from a single surviving plant found in 1992. [4] It is in the subfamily Lobelioideae of the family Campanulaceae. The tree is up to 11 m (36 ft) in height but only 5 cm (2.0 in) in diameter at breast height (DBH). It never branches. The terminal rosette of wavey-edged leaves is only 45 cm (18 in) across. The flowers are tubular and straight. [5]

References

  1. ↑ "NatureServe Explorer 2.0". explorer.natureserve.org.
  2. ↑ (DLNR-DOFAW, Maggie Sporck-Koehler; (Lyon), Marian Chau; Conservancy), Samuel Gon (The Nature; Fish, James Kwon (US; Service), Wildlife (2016-01-19). "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2025-06-12.
  3. ↑ "Delissea undulata". Plants of the World Online. Retrieved 2025-06-12.
  4. ↑ "Plants Delissea undulata subsp. undulata" (PDF). Retrieved 2025-06-12.
  5. ↑ Joseph Rock, Indigenous Trees of the Hawaiian Islands (1913): pages 44-45 plus photo plate 17


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